D电力专业英语阅读与翻译(词汇)

电子工程专业英语词汇翻译ac-drives 交流变频器ac- motors 交流电机asymmetrical 非对称的attenuation 衰减automation and drives 自动化与驱动back-to-back 背靠背的，紧接的backward-travelling waves 向后传播的波band width 带宽bridged impedance 桥接阻抗cable bridge 电缆桥架capacitance 电容capacitive 电容性的charge 电荷circuit schematic diagram 电路原理图解cladding 覆层clock cycle 脉冲周期coefficient 系数common-mode noise 普通模式噪音conductivity 传导性configuration 构造constant 常量constraint 约束，强制copper sheet 铜片core transistor logic 磁心晶体管逻辑coupling 联结current carrying capacity 载流水平（允许电流）damping 阻尼decentralized automation 分布式自动化系统decomposition 分解decouple 分离delay circuit 延迟电路dielectric sheets 介电原片differential pair 微分对diode clamping钳位edge connector 边缘连接器electrical infrastructure 电气基础设施electrical installation 电气安装技术equations set 方程组evenly 均匀地flip-chip 后滚翻 forward-travelling waves 向前传播的波four-layer 四层global overview 世界概览granularity 间隔尺寸ground plane 地平面，水平投影hookup 接线图human machine interface 人机界面impedance 阻抗incidence 入射incident wave 入射波inconsequential 不合逻辑的incorporated 合成一体的inductance 感应系数industrial communication 工业通讯industrial controls 工业控制inherently 固有地in isolation 绝缘instantaneous 瞬间的interleaved 交叉intrinsic 本征的laminate 碾压lead 导线leakage current 泄漏电流load admittance 负载导纳loops 线圈lumped 集中的macroprocessor 微处理器manufacturing execution systems 制造执行系统matrix 矩阵medium-power distribution 中压配电modal 模式的modeling 建模motion control 运动控制motor and soft starters 电机及软起动器motor management systems 电机管理系统mounting pads 安装垫片multimedia show 多媒体展示negligible 能够忽略的noise margins 噪音安全系数numerical controls 数控系统off-diagonal terms 分离对角线条件optimal 的，最理想的overload relays 过载继电器overly 过度地overshoot 过冲parastics 寄生效应passive component 无peak current 峰值电流power dissipation 电力分散prepreg 预浸料呸process automation 过程自动化process instrumentation and analytics 过程仪表及分析仪器proximity effect 邻近效应punched 穿孔radian 弧度reactance 电抗recharge 再充reflection coefficient 反射系数regulated power supply 稳压电源resistance 阻抗resistive 有抵抗力的resistor 电阻器resonate 共振routability 路线routing 邮件路由schematic 示意图segment 一段self-inductance 自感应series inductance 串联感应services & industry solutions 服务和工业解决方案simulation 模拟single-ended termination 单一终端终止stackup 定高分层盘旋stub 断株subdivide 细分susceptible 易受影响的switching 配电；交流terminator 终结器thermal cycle 热循环thickness 厚度totally integrated power 全集成能源管理transistor 晶体管undershoot 负脉冲信号；下冲voice interference analysis system 语音干扰分析系统voltage regulator 调压器warpage 热曲线warping 扭曲，变形waveguide 波导wiring layout 线路配置图。

power output 功率输出，输出功率power output 功率输出，输出功率short circuita great deal 大量ac交流（电）admittance 导纳amp安培amp安培amplitude振幅arc电弧，弧光arise from 起于，由...出身armature电木区armature winding 电枢绕组arrangement布置，排列；设备，装置；安装，装配；置配；安排arrangement布置，排列；安装，装配；assemblage 与会者（集合称），集合，集会，装配assume假定，设想，采取，呈现automatic voltage regulator自动电压调节器，自动稳压器，自动调压器autotransformer 自耦变压器backup protection后备保护，后备保护装置block 组［件］，单元，部件；机组，单元机组；滑轮；字组，块，程序块，数据块break down 毁掉，制服，压倒，停顿，倒塌，中止，垮掉，分解bus bar汇流条，母线bus impedance matrix 母线阻抗矩阵，节点阻抗矩阵bus impedance matrix 母线阻抗矩阵，节点阻抗矩阵busbar母线，汇流条，结点，节点，汇流排bushing ［电工］套管capacitor bank 电容器组carrier protection载波保护，高频保护carrier relaying 载波继电保护，高频保护，载波中继［制］carry 携带，搬运，传送，传播；支持，执行，进位，进列changing 转换charging currents 充电电流circuit breaker ［电工］断路开关，断路器Circuit breaker 电路断路器circuit layout电路布线，线路布置circuit-breaker〈电〉断路器，断路开关circuit-breaker〈电〉断路器，断路开关clearing time通信连络断开时间，电话的话终时间clearing time通信连络断开时间，电话的话终时间combine with 与…结合come into 得到communication circuit 通讯电路conductance ［电工］电导，导率，电导系数contact 接触contact （电流的）接触；接通；接触器core loss current 铁耗电流core type 铁心式（变压器）critical point 临界点cross-sectional 横截［断］面current density 电流密度current flow 电流current transformator变流器，电流互感器 cut-and-try method 渐近法，试探法Cycle 循环、周期、周波cylindrical rotor ［电］鼓形转子，隐极转子damage 损害，伤害，损伤，破坏，损坏；事故，故障damp 阻尼,减幅，衰减damper winding阻尼绕组de-剥夺，分离 断开，去能，去激励；断电 断开，断电 不赋能的，除去电源的，去激励的demagnetizing effect ：消磁效果；去磁效应；消磁作用401丽皿0导数401丽皿0导数desired 期待的desired value 期待值，给定值，预定值，所需值，预期值detection 察觉，发觉，侦查，探测，发现determine 确定：在考虑，调查或计算之后，决定性地确认参见控制，限制development stage 发展阶段dielectric 电介质，绝缘体dielectric loss 介电损失differential protection 差动保护［装置］differential relay 差动继电器differentiate 求…的微分：计算导数或（函数的）微分difficulty 困难：困难的环境或程序:The condition or quality of being difficult:developed power 发出功率deenergizede-energizede-energized digital computer ）direct proportiondirectional relaydirect-wire circuitdisconnect switch数字计算机正比例，正比方向继电器，定向继电器单线线路隔离刀闸隔离开关 调度，迅速处理，输送，发运，发货 调度，迅速处理，输送，发运，发货distance relay 距离继电器distribution substation 配电站distribution transformer 配电变压器 disturbance 扰动 double-breaker 双断开关double-bus双母线dynamic performance 动态特性 dynamic system performance 系统动态运行特性economic dispatch 经济调度economic dispatch 经济调度economic dispatch 经济调度economic planning 经济计划 eddy curren 涡流,涡电流 eddy current 涡流,涡电流 electrical contact 电连接，电接点，电触点,电触头electromagnetic 电磁的 emf 电动势 energize 给与...电压 energize 使带电流；使通电 energy 热能源，电能：可用的热量或能量： energy 热能源，电能：可用的热量或能量 engine 发动机，机械，机器，引擎，工具 engine-driven generator ［发动］机［驱］动的发电机 equivalent circuit 等效电路 excess load 过载，过负荷，超载，过荷载 fault detection 故障检验 feature 要素 feed water 锅炉给水field winding 激励绕组，励磁绕组，场绕组 flux 磁通focal point 焦点force outage 事故停用，强迫停机，强制停机 force outage 事故停用，强迫停机，强制停机 fraction 【数学】分数：表明两个量的商的表达式 ft （foot, feet ）英尺 fuel cost 燃料费 fuel cost 燃料费 fuel input 燃料加入（量） fuel input 燃料加入（量） full load 满载，满负荷 fundamental 【物理学】基波的： Gauss-Seidel method 高斯-塞德尔法（潮流计算的） Gauss-Seidel procedure 高斯-塞德尔法generating plant 发电厂，电厂，电站，发电设备 generating system 发电系统 generation 产生；代；发电，发生，振荡，改进阶段generation schedule 发电计划 gradient approachgradient approach 梯度方法ground current 大地电流ground relay 接地继电器 ground relaying接地继电保护 guard against 提防，预防harmonic 谐波head （水站等的）蓄水高度，水头，落差，压力；势头high-speed reclosure 快速重合闸horizontal axis 水平轴线disconnected switchdispatch 发送,horizontal axis 水平轴线hydroelectric水力发电的hysteresis 磁滞hysteresis滞后作用，［物］磁滞现象identical【数】恒等的impedance ［电］阻抗，全电阻,［物］阻抗in any case 无论如何in phase adv.同相地in terms of 根据，按照，用…的话，在…方面in the case of 在…的情况incremental cost 边际成本incremental cost 边际成本incremental cost curveincremental cost curveincremental generating cost 发电成本增量incremental generating cost 发电成本增量inductive 电感性的，电感的，感应的；吸入的inductive circuit 有感电路，电感电路，感性电路inflammable 易燃的inflammable liquid 易燃液（体）injection current 注入电流instantaneous relay 瞬动继电器（电流速断保护）instantaneous value 瞬时值instrument transformator 仪表用互感器instrument transformator 仪表变压器insulation breakdown 绝缘击穿insulation deterioration 绝缘老化insulation failure 绝缘事故，绝缘损坏insure against 给...保险interconnected electric power system 互联电力系统internal voltage 内电压，电动势internal voltage 电动势，内电压internal voltage 内电压，电动势（发电机的），反电动势（电动机的） inverse time 反时，逆时inverse time current protection 反时限［过］电流保护［装置］inverse time relay 反时限继电器inverse-time definite-time limit relay 逆时定时限继电器，定时限反时继电器ionize 电离ionize 电离it follows that由此得出结论…，因而断定…key diagram 原理草图，工作图know-how ＞实际知识，技术秘诀，诀窍lagging current 滞后电流layout 设计，布置，规划；草图，布置图，线路图；排列；layout diagram 布置图layout drawing 布置图，配线图，定位图leakage flux 漏通量leakage inductance 漏电感lightning 闪电lightning arrester 避雷器limit界限，限度，限制line conductor 导线line flashover 线路闪络line terminal线路线端，线路终端line trap线路陷波器，阻波器line-to-line 两线间的，相间的，线间短路live 有电的，带电的，活动的，正极接地的load characteristic 负荷特性，负载特性load factor 负载系数long-range 远大的，长期的loop system 环形线路制，闭环系统；回路系统m.m.f 磁动势magnetize vt 使磁化magnetizing current 磁化电流，起磁电流maximum power transfer 最大传输功率mechanical stress 机械应力memory capacity 存储容量motor starter 电动机起动器multi-winding transformer 多绕组变压器mutual coupling 互耦mutual flux 互（感）磁通mutual impedance 互阻抗navigation 航海，航空，导航，领航，航行navigation 航运negative damping 负阻尼network system 网络系统，供电网系统neutral conductor 中性导线Newton-Raphson牛顿-拉夫逊nodal admittance matrix 节点导纳矩阵normal load 额定负荷，正常负载normal-voltage 正常电压Norton's theorem诺敦定理，等值电流源定理offset wave 偏移波open 开的，敞开的，打开，断路，断开，公开的，断路的open-circuit 开路的open-circuit voltage 开路电压，空载电压operating coil动作线圈，工作线圈operating frequency 工作频率，操作频率，运行频率operating range 运转范围，工作范围，作用距离，作用半径，（堆功率）运行区段out of 与…不相宜，不相称，在…范围,缺乏，放弃outage 断电output power 输出功率over-current 过电流overflash闪络，飞弧Overhead line 架空线over-load超过负荷over-voltage 过电压parallel resonance 并联谐振parallel resonance 并联谐振permeable 可渗透的，能透过的phase displacement 相（位）移phase displacement 相（位）移phase displacement 相位移phase shift 周相移动phase shifters 移相器phase-angle 相角；相位角，相移角；相（位）角phase-angle 相角；相位角，相移角；相（位）角phase-comparison 相位比较phase-displacementphase-to-ground 相对地pick-up current 接触电流，起动电流，拾音器电流planner 规划人员plunger relay插棒式继电器，螺管式继电器polarity 极性pondage power plant 抽水蓄能电站positive sequence network 正序网路potential transformator电压互感器，测量用变压器power circuit 电源电路，电力电路；动力线路，电力网，电力线路，电源线路power flow 电力潮流、功率潮流、功率通量，能流power level 功率级，［功率］电平；功率水平power line 动力线，动力网，电力线，电源线，输电线power swing功率波动，功率摆动，功率摇摆power transfer功率传输，电和输送power transfer 功率传输，电力传送power transfer 功率传输，电力传送power transformator 电源［电力，功率］变压器prefault 故障前的primary grid substation 主网变电站prime mover 原动力，发动者prime mover 原动力，发动者problem问题：应该考虑、解决或回答的问题：protective relay 保护继电器protruding-pole 凸极public hazard 公害pumped storage station 提水蓄能站pumped storage station 抽水蓄能电站quadratic formula 二次公式radial system 辐射状配电制，径向配电制radian 弧度rate current 反应［额定］电流reactance 电抗reactance drop 电抗电压下降reactive power 无功功率real number ［数］实数rectification 整流regulate管制，控制，调节，校准relative movement 相对运动relative position 相对位置relative position 相对位置relay继电器relay element继电器元件relay inverse time继电器反时限特性relay system 继电保护系统reluctance 【物理学】磁阻：reservoir水库，蓄水池resistance 电阻resistance drop 电阻（性电）压降resistivity电阻系数resistor ［电］电阻器ring bus 环形母线rpm每分钟转数run-off-river station 径流式水电厂，河流式水电厂run-of-the -riversalient pole rotor 凸极转子saturation饱和度scheme方案，线路图，电路，图表，图解，计划，线路，路，设计图，规划secondary substation 二次变电所sensor 传感器sequence component 序分量sequential tripping顺序脱扣，顺序跳闸series capacitor 串联电容器，附加电容器（仪表）series capacity串联电容series inductance 串联电感setting 装配，调整，炉墙，支座，调节，置位，装定，整定值，起动，装置，设置short-cut 短路，捷路，简化side effect 副作用single-busbar system 单母线系统single-pole switch单极开关，单刀开关sinusoidal 正弦曲线slope 【数学】斜率：slope 【数学】斜率：solid insulation 固体绝缘solid insulation 固体绝缘sparse matrix 稀疏矩阵specific loading 单位负载，比负载，比负荷specification详述，规格，说明书，规范specified load 额定负荷，设计负荷，规定负荷，标准荷载specify把…列为条件，规定，指定，确定；详细说明，具体说明squirrel cage 鼠笼stability limit 稳定极限，稳定限度，稳定度极限steady-state 稳定工况，稳定状态，稳恒状态，静态，稳态steady-state stability 稳态steam trap 凝汽阀steam turbine蒸汽轮机steam turbine 汽轮机steam valve 蒸汽阀step down 降低，降压step-type voltage regulator 分级式电压调整器step-up 升压，升高，加速step-up substation 升压变电站stir up 激起，鼓动，煽动stray flux杂散磁通Stray loss杂散损耗substation transformator 配电变压器subtransient 次暂态suffer from 忍受，遭受susceptance 电纳（导纳的虚数分量swing 摆动，动荡，摆度，振幅，摆幅switchboard 配电盘，配电屏；配电板，switching 开关switching 开关，开闭，转接，切换，换向，整流switching surge 操作过电压synchronous condenser 同步调相机synchroscope同步指示器，同步示波器system design 系统设计system layout 系统布置system reliability 系统可靠性system reliability 系统可靠性tapped抽头的；分接的；带向分接头的，带分接头的term ［数学］项：terminal voltage 端电压Thevenin theory 戴维宁理论throttle setting节流阀调整time delay relay 延时继电器，缓动继电器time setting 时间整定timer 计时器，定时器，时间发送器，时间继电器，延时调节器；程序装置torque 扭矩，转矩transfer bus 切换母线transfer传递，传送，输送；转换，转移；调动，变换；传输，传导，迁移；进位transformer bank 变压器组transformer bushing 变压器套管transformer bushing 变压器套管transformer tap 变压器分接头transient stability 瞬态［暂］态稳定性transmission capacity 输电能力，输电量transmission capacity 输电能力，输电量transmission capacity 输电能力，输电量transmission line 输电线transmission line 输电线，输电线路；谐振线transmission system 传动系统，输电系统，传输系统，发射系统transmitting capacity 输电能力；传输能力，发送能力traveling wave 行波trial and error method 试凑法，尝试法，逐次逼近法，试探，试配，试错trial-and-error 尝试法［的］，逐步逼近［法］tune谐调turbine 涡轮turbo 涡轮（发动机）unit transformer 单元［机组］变压器unity power factor ［电］整功率因数valve 阀，valving设置阀门；［阀门］关闭voltage drop 电压降落voltage rate 电压比voltage rating额定电压 电压调整器，电压调节器，稳压器，调压器 电压调整、电压调整率、电压变动率 电压调整器，电压调节器，稳压器，调压器 电压传感器 voltage transformation 变压water storage reservoir 水库water turbine 水轮机 wave shape 波形 wave shape 波形 wrap around 卷绕的，环绕的 zero sequence 零［相］序，零序 voltage regualator voltage regulation voltage regulator voltage sensor。

AA．B．C极密度继电器（第二报警值）A．B．C极密度继电器（第一报警值）A．B．C极主储压器漏氮指示器Indicator for N2安(培) ampere (A)安全边界 safety boundaries安全标志 safety mark安全标准 safety standard安全操作规程safety operation specifications安全措施 safety measure / safety action安全电压 safety voltage安全阀 relief valve / safety valve 安全阀打开 Safety valve opening安全防护技术要求 safeguarding specifications 安全分析报告 safety analysis report安全工程(学) safety engineering安全工作压力 safe working pressure 安全管理 safety management安全技术措施 safety technical steps (measurement))安全技术规程 safety technical regulation安全距离 safe distance安全可靠运行safe and reliable operation安全认证 safety certification安全色 safety color安全设[措]施 maintenance prevention安全生产 safety in production安全特低电压safety extra-low voltage安全限度 safe limit安全性 safety安全要求 safety requirement安全裕度 safety margin安全运行safe and reliable operation / safe operation安全责任制system of safety responsibility安全注意事项 safety precautions安匝 ampere-turns安装 erection / mounting / installation安装垫 mounting pad安装费用 installation cost安装和使用条件 condition of installation and use安装和维护erection and maintenance 安装结构 mounting structure安装结构或间距 mounting structure or spacing安装竣工检验 final installation inspection安装孔 fixing hole安装面 mounting face安装平面 mounting plane安装使用说明书 instructions for installation & operation安装说明 mounting instruction安装条件 mounting conditions安装图 assembly drawing安装有…… be installed / be fitted with氨气检漏 ammonia sniffing鞍型端子 saddle terminal按钮 push-button按钮开关 push button actuator按生产要素分配 distribution based on production factors按照 in accordance with (to) / according to按指数衰减的直流恢复电压exponentially decaying d.c.recovery voltage盎斯-英寸 ounce-inch凹坑 pit奥氏体 austeniteB八小时工作制 8-hour duty巴(表压) bar (gauge pressure)扒钉 anti-cheking iron扒渣 dross trap拔模斜度 draft把...拆开 take apart 把M安装在N上 fit M on N把M套在N上 fit M over N把M装（插）进N fit M into N把手 handle坝址 dam site白班 dayshift白点 fish eye / flake白金 white gold白金电极 platinum electrode白口铁 white cast iron白口铸铁 white cast iron白铁皮 white iron白噪声 white noise百分比抽样检验percent sampling inspection and test百分数 percentage百分数导电率 percent conductivity百分阻抗 percentage impedance摆动 wobble摆动焊 welding with weaving; weave bead welding摆动振动 wagging vibration摆脱电流 let-go current扳手 wrench / spanner斑点 spot搬运 handling板材 sheets板规（靠模） plate gauge (shaping plate)板坯 slab板条箱（包装用） crate板牙 screw plate / die-block半波 half-wave / half-cycle / loop 半波持续时间 loop duration 半成品 semi-finished product半打（六个） half a dozen半导体 semiconductor半导体层 semiconducting layer半干法 semi-dry method半个正弦波 a half sine wave半个周波 one-half cycle半极 half a pole半控 half control半年度检验 semiannual inspection and test半衰期 half-life半小时 half an hour半硬钢 half-hard steel半圆棒 half round bar半自动 semi-automatic半自动的 semi-automatic半自动焊 semi-automatic welding 伴随 accompany棒料 billet棒形绝缘子 rod insulator包封 encapsulating包封胶 encapsulating compound包覆导体 clad conductor包含体 inclusion body包括 include / comprise / contain 包络线 envelope curve包铅金属 lead coated metal包税区 bonded area包装 package / packing包装标志 packing mark包装标准 packing standard包装箱 packing box / packaging case 饱和saturation饱和磁化强度saturation magnetization饱和度 degree of saturation饱和效应 saturation effect饱和因数 saturation factor保持 hold保持继电器keep relay保持经济适度快速增长 maintain an appropriate rapid economic growth 保持在合闸位置 be held in closed position保持至少5分钟 at least maintain for 5 min保护电抗器 protective reactor保护电力间隙 protection power gap 保护电路 protective circuit保护断路器 back-up circuit breaker/ protection circuit breaker保护范围 protective range保护火花间隙 protective spark gap 保护继电器 protective relay保护开关back-up switch / protection switch保护水平 protection level保护用互感器protective transformer保护装置protective equipment (device)保护装置的保护水平protection level of a protective device保护装置的保护因数protection factor of a protective device保留垫板 fusible (permanent) backing保留指数 retention index保税区 bonded area 保温材料adiabator / thermal insulation material保温层 lagging / thermal insulation 保温加热器 temperature-keeping heater保温冒口 insulated feeder保温温度 holding temperature保险 insurance保险阀 lock valve保险公司 insurance company保险丝 fuse / fuse wire保证 ensure / assure / guarantee保证国家的长治久安guarantee China’s long-term stability保证社会公共需要 guarantee social needs报废 riscard / refuse / scrap报废品 scrapped product报告 report报告编号 reference of report number 报警 alarm报批for approval爆裂 rupture爆破片 bursting disks爆破片的误爆破unintentional rupture of bursting disk爆破压力 rupture pressure爆炸性气体 explosive gases杯状纵磁结构cup-shaped axial magnetic structure备份 backup备件 spare parts备料场charging area / charge make-up area备忘录 memorandum (-book)备用 prepared for use 备用的辅助开关spare auxiliary switch备用面板 blank panel备有…… be fitted with… / be equipped with …备注 Remarks背板 sheet backing背点 ant-apex背对背电容器组back-to-back capacitor bank背景情况 background背景噪声 background noise背景噪声水平 background noise level背砂 backing sand背压力 back pressure背压式汽轮机 back-pressure turbine 倍频器 frequency doubler被覆层coating layer / coat /coating被覆线 coated wire被审核方 auditee被试断路器 the test circuit breaker 焙烧baking本图 This drawing本图对应断路器处于下列状态 This diagram corresponds to the following conditions:本图供用户作液压柜-断路器本体（密度继电器、储压器漏氮指示器、接线盒）之间电缆联接参考用。

网易电力专业英语词汇(较全)1）元件设备三绕组变压器：three-column transformer ThrClnTrans 双绕组变压器：double-column transformer DblClmnTrans 电容器：Capacitor并联电容器：shunt capacitor电抗器：Reactor母线：Busbar输电线：TransmissionLine发电厂：power plant断路器：Breaker刀闸(隔离开关)：Isolator分接头：tap电动机：motor2）状态参数有功：active power无功：reactive power电流：current容量：capacity电压：voltage档位：tap position有功损耗：reactive loss无功损耗：active loss空载损耗：no-load loss铁损：iron loss铜损：copper loss空载电流：no-load current阻抗：impedance正序阻抗：positive sequence impedance负序阻抗：negative sequence impedance零序阻抗：zero sequence impedance无功负载：reactive load 或者QLoad有功负载: active load PLoad遥测：YC(telemetering)遥信：YX励磁电流(转子电流)：magnetizing current定子：stator功角：power-angle上限:upper limit下限：lower limit并列的：apposable高压: high voltage低压：low voltage中压：middle voltage电力系统 power system发电机 generator励磁 excitation励磁器 excitor电压 voltage电流 current母线 bus变压器 transformer升压变压器 step-up transformer高压侧 high side输电系统 power transmission system输电线 transmission line固定串联电容补偿fixed series capacitor compensation 稳定 stability电压稳定 voltage stability功角稳定 angle stability暂态稳定 transient stability电厂 power plant能量输送 power transfer交流 AC装机容量 installed capacity电网 power system落点 drop point开关站 switch station双回同杆并架 double-circuit lines on the same tower 变电站 transformer substation补偿度 degree of compensation高抗 high voltage shunt reactor无功补偿 reactive power compensation故障 fault调节 regulation裕度 magin三相故障 three phase fault故障切除时间 fault clearing time极限切除时间 critical clearing time切机 generator triping高顶值 high limited value强行励磁 reinforced excitation线路补偿器 LDC(line drop compensation)机端 generator terminal静态 static (state)动态 dynamic (state)单机无穷大系统 one machine - infinity bus system 机端电压控制 AVR功角 power angle有功（功率） active power无功（功率） reactive power功率因数 power factor无功电流 reactive current下降特性 droop characteristics斜率 slope额定 rating变比 ratio参考值 reference value电压互感器 PT分接头 tap下降率 droop rate仿真分析 simulation analysis传递函数 transfer function框图 block diagram受端 receive-side裕度 margin同步 synchronization失去同步 loss of synchronization阻尼 damping摇摆 swing保护断路器 circuit breaker电阻：resistance电抗：reactance阻抗：impedance电导：conductance电纳：susceptance导纳：admittance电感：inductance电容: capacitanceAGC Automatic Generation Control自动发电控制AMR Automatic Message Recording 自动抄表ASS Automatic Synchronized System 自动准同期装置ATS Automatic Transform System 厂用电源快速切换装置AVR Automatic Voltage Regulator 自动电压调节器BCS Burner Control System 燃烧器控制系统BMS Burner Management System 燃烧器管理系统CCS Coordinated Control System 协调控制系统CRMS Control Room Management System 控制室管理系统CRT Cathode Ray Tube 阴极射线管DAS Data Acquisition System 数据采集与处理系统DCS Distributed Control System 分散控制系统DDC Direct Digital Control 直接数字控制（系统）DEH Digital Electronic Hydraulic Control 数字电液(调节系统)DPU Distributed Processing Unit 分布式处理单元EMS Energy Management System 能量管理系统ETS Emergency Trip System 汽轮机紧急跳闸系统EWS Engineering Working Station 工程师工作站FA Feeder Automation 馈线自动化FCS Field bus Control System 现场总线控制系统FSS Fuel Safety System 燃料安全系统FSSS Furnace Safeguard Supervisory System 炉膛安全监控系统GIS Gas Insulated Switchgear 气体绝缘开关设备GPS Global Position System 全球定位系统HCS Hierarchical Control System 分级控制系统LCD Liquid Crystal Display 液晶显示屏LCP Local Control Panel 就地控制柜MCC Motor Control Center （电动机）马达控制中心MCS Modulating Control System 模拟量控制系统MEH Micro Electro Hydraulic Control System 给水泵汽轮机电液控制系统MIS Management Information System 管理信息系统NCS Net Control System 网络监控系统OIS Operator Interface Station 操作员接口站OMS Outage Management System 停电管理系统PID Proportion Integration Differentiation 比例积分微分PIO Process ｉｎｐｕｔOutput 过程输入输出（通道）PLC Programmable Logical Controller 可编程逻辑控制器PSS Power System Stabilizator 电力系统稳定器SCADA Supervisory Control And Data Acquisition 数据采集与监控系统SCC Supervisory Computer Control 监督控制系统SCS Sequence Control System 顺序(程序)控制系统SIS Supervisory Information System 监控信息系统TDCS（TDC）Total Direct Digital Control 集散控制系统TSI Turbine Supervisory Instrumentation 汽轮机监测仪表UPS Uninterrupted Power Supply 不间断供电专业英语（电力词汇）标准的机组数据显示 (Standard Measurement And Display Data)负载电流百分比显示 Percentage of Current load(%)单相/三相电压 Voltage by One/Three Phase (Volt.)每相电流 Current by Phase (AMP)千伏安 Apparent Power (KVA)中线电流 Neutral Current (N Amp)功率因数 Power Factor (PF)频率 Frequency(HZ)千瓦 Active Power (KW)千阀 Reactive Power (KVAr)最高/低电压及电流 Max/Min. Current and Voltage输出千瓦/兆瓦小时 Output kWh/MWh运行转速 Running RPM机组运行正常 Normal Running超速故障停机 Overspeed Shutdowns低油压故障停机 Low Oil Pressure Shutdowns高水温故障停机 High Coolant Temperature Shutdowns起动失败停机 Fail to Start Shutdowns冷却水温度表 Coolant Temperature Gauge机油油压表 Oil Pressure Gauge电瓶电压表 Battery Voltage Meter机组运行小时表 Genset Running Hour Meter怠速-快速运行选择键 Idle Run – Normal Run Selector Switch运行-停机-摇控启动选择键 Local Run-Stop-Remote Starting Selector Switch 其它故障显示及输入 Other Common Fault Alarm Display and电力行波词汇行波travelling wave模糊神经网络fuzzy-neural network神经网络neural network模糊控制fuzzy control研究方向 research direction副教授associate professor电力系统the electrical power system大容量发电机组large capacity generating set输电距离electricity transmission超高压输电线super voltage transmission power line投运commissioning行波保护Traveling wave protection自适应控制方法adaptive control process动作速度speed of action行波信号travelling wave signal测量信号measurement signal暂态分量transient state component非线性系统nonlinear system高精度high accuracy自学习功能self-learning function抗干扰能力anti-jamming capability自适应系统adaptive system行波继电器travelling wave relay输电线路故障transmission line malfunction仿真simulation算法algorithm电位electric potential短路故障short trouble子系统subsystem大小相等，方向相反equal and opposite in direction 电压源voltage source故障点trouble spot等效于equivalent暂态行波transient state travelling wave偏移量side-play mount电压electric voltage附加系统add-ons system波形waveform工频power frequency延迟变换delayed transformation延迟时间delay time减法运算subtraction相减运算additive operation求和器summator模糊规则fuzzy rule参数值parameter values可靠动作action message等值波阻抗equivalent value wave impedance附加网络additional network修改的modified反传算法backpropagation algorithm隶属函数membership function模糊规则fuzzy rule模糊推理fuzzy reasoning模糊推理矩阵fuzzy reasoning matrix样本集合 sample set给定的given采样周期sampling period三角形隶属度函数Triangle-shape grade of membership function 负荷状态load conditions区内故障troubles inside the sample space门槛值threshold level采样频率sampling frequency全面地all sidedly样本空间sample space误动作malfunction保护特性protection feature仿真数据simulation data灵敏性sensitivity小波变换wavelet transformation神经元neuron谐波电流harmonic current电力系统自动化power system automation继电保护relaying protection中国电力 China Power学报 journal初探primary exploration电机学 electrical machinery自动控制理论 automatic control theory电磁场 electromagnetic field电磁场与电磁波Electromagnetic Fields & Magnetic Waves微机原理 principle of microcomputer电工学 electrotechnics principle of circuits电力系统稳态分析 steady-state analysis of power system电力系统暂态分析 transient-state analysis of power system电力系统继电保护原理 principle of electrical system's relay protection电力系统元件保护原理 protection principle of power system 's element电力系统内部过电压 past voltage within power system模拟电子技术基础 basis of analogue electronic technique数字电子技术 digital electrical technique电路原理实验lab. of principle of circuits电气工程讲座 lectures on electrical power production电力电子基础basic fundamentals of power electronics高电压工程high voltage engineering电子专题实践topics on experimental project of electronics电气工程概论introduction to electrical engineering电子电机集成系统electronic machine system电力传动与控制electrical drive and control电力电子电路Power Electronic Circuit电力电子电器Power Electronic Equipment电力电子器件Power Electronic Devices电力电子学Power Electronics电力工程Electrical Power Engineering电力生产技术Technology of Electrical Power Generation电力生产优化管理Optimal Management of Electrical Power Generation电力拖动基础Fundamentals for Electrical Towage电力拖动控制系统Electrical Towage Control Systems电力系统Power Systems电力系统电源最优化规划Optimal Planning of Power Source in a Power System 电力系统短路Power System Shortcuts电力系统分析Power System Analysis电力系统规划Power System Planning电力系统过电压Hyper-Voltage of Power Systems电力系统继电保护原理Power System Relay Protection电力系统经济分析Economical Analysis of Power Systems电力系统经济运行Economical Operation of Power Systems电力系统可靠性Power System Reliability电力系统可靠性分析Power System Reliability Analysis电力系统无功补偿及应用Non-Work Compensation in Power Systems & Applicati 电力系统谐波Harmonious Waves in Power Systems电力系统优化技术Optimal Technology of Power Systems电力系统优化设计Optimal Designing of Power Systems电力系统远动Operation of Electric Systems电力系统远动技术Operation Technique of Electric Systems电力系统运行Operation of Electric Systems电力系统自动化Automation of Electric Systems电力系统自动装置Power System Automation Equipment电路测试技术Circuit Measurement Technology电路测试技术基础Fundamentals of Circuit Measurement Technology电磁感应定律law of electromagnetic induction励磁 excitation 励磁器 magnetizing exciter励磁器 exciter 恒定励磁器constant exciter励磁器激振器exciter励磁电流：magnetizing current 强行励磁reinforced excitation励磁调节器excitation regulator无功伏安volt-ampere reactive无功伏安时volt-ampere-hour reactive稳态控制homeostatic control; stable control a steady-state control 水电厂hydroelectric station落点 drop point 调节 regulation调节器conditioner 励磁调节器excitation regulator调速器regulator, governor ；speed regulator ；（正规）speed governor 高抗 high voltage shunt reactor并列的： apposite; paratactic 同步 synchronization系统解列system splitting（ trip）失去同步loss of synchronization 分接头：tap 裕度 margin 档位：tap position故障 fault 三相故障 three phase fault 切机 generator triping故障切除时间fault clearing time高顶值 high limited value静态 static (state) 动态 dynamic (state) 暂态transient机端电压控制 avr电动机：motor有功负载: active load/pload 无功负载：reactive load电压互感器pt (potential /voltage transformer )参考值 reference value 单机无穷大系统one machine - infinity bus system 仿真分析 simulation analysis 下降率 droop rate传递函数 transfer function 框图 block diagram受端 receive-side 同步 synchronization保护断路器 circuit breaker阻尼 damping无刷直流电机：brusless dc motor永磁直流电动机permanent-magnet direct current motor机端 generator terminal永磁同步电机：permanent-magnet synchronism motor异步电机：asynchronous motor三绕组变压器：three-column transformer thrclntransthree winding transformer双绕组变压器：double-column transformer dblclmntranstwo-circuit transformer; two-winding transformer固定串联电容补偿fixed series capacitor compensation双回同杆并架 double-circuit lines on the same tower单机无穷大系统 one machine - infinity bus system偿度 degree of compensation电磁场失去同步electromagnetic fields loss of synchronization 装机容量 installed capacity无功补偿 reactive power compensation故障切除时间 fault clearing time极限切除时间 critical clearing time强行励磁 reinforced excitation并联电容器：shunt capacitor下降特性 droop characteristics线路补偿器 ldc(line drop compensation) 《。

A decrease in the field current gives rise to lagging (inductive) current in the stator; and increase in the field current that overexcites the motor causes a leading (capacitive) current to appear in the stator.励磁电流减小时，定子电流感性增强；励磁电流增加使电机过励时将在定子中产生容性电流。

An induction machine is an AC two-winding unit in which only one (primary, usually the stator) winding is supplied with an alternating current at a constant frequency ω1 from an external source.感应电机是一种具有双绕组的交流电气设备，它只有一个绕组（一次侧，通常是定子）通过外电源输入固定频率为ω1的交变电流。

Current transformers for protection are essentially similar to those used for the operation of ammeters, watthourmeters and other instruments.保护用电流互感器基本上同操作用的电流表、电能表和其他仪器类似。

DG planning also involves arranging for connection of the renewable power generator with the local grid, and for support of any local electric load when the renewable source is not available.分布式发电规划还包括安排可再生能源发电机与地方电网相连接，这样当可再生能源不可用时，本地电力负荷仍能得到支持。

电力专业英语词汇电力系统power system 发电机generator 励磁excitation励磁器excitor 电压voltage 电流current升压变压器step-up transformer 母线bus 变压器transformer空载损耗：no-load loss 铁损：iron loss 铜损：copper loss空载电流：no-load current 无功损耗：reactive loss 有功损耗：active loss输电系统power transmission system高压侧high side 输电线transmission line高压: high voltage 低压：low voltage 中压：middle voltage功角稳定angle stability 稳定stability 电压稳定voltage stability暂态稳定transient stability 电厂power plant 能量输送power transfer交流AC 直流DC 电网power system落点drop point 开关站switch station 调节regulation高抗high voltage shunt reactor 并列的：apposable 裕度margin故障fault 三相故障three phase fault 分接头：tap切机generator triping 高顶值high limited value 静态static (state)动态dynamic (state) 机端电压控制AVR 电抗reactance电阻resistance 功角power angle 有功（功率）active power电容器：Capacitor 电抗器：Reactor断路器Breaker 电力专业英语（1）元件设备三绕组变压器：three-column transformer ThrClnTrans双绕组变压器：double-column transformer DblClmnTrans电容器：Capacitor并联电容器：shunt capacitor电抗器：Reactor母线：Busbar输电线：TransmissionLine发电厂：power plant断路器：Breaker刀闸(隔离开关)：Isolator分接头：tap电动机：motor（2）状态参数有功：active power无功：reactive power电流：current容量：capacity电压：voltage档位：tap position有功损耗：reactive loss无功损耗：active loss功率因数：power-factor功率：power功角：power-angle电压等级：voltage grade空载损耗：no-load loss铁损：iron loss铜损：copper loss空载电流：no-load current阻抗：impedance正序阻抗：positive sequence impedance 负序阻抗：negative sequence impedance 零序阻抗：zero sequence impedance电阻：resistor电抗：reactance电导：conductance电纳：susceptance无功负载：reactive load 或者QLoad有功负载: active load PLoad遥测：YC(telemetering)遥信：YX励磁电流(转子电流)：magnetizing current 定子：stator功角：power-angle上限:upper limit下限：lower limit并列的：apposable高压: high voltage低压：low voltage中压：middle voltage电力系统power system发电机generator励磁excitation励磁器excitor电压voltage电流current母线bus变压器transformer升压变压器step-up transformer高压侧high side输电系统power transmission system输电线transmission line固定串联电容补偿fixed series capacitor compensation 稳定stability电压稳定voltage stability功角稳定angle stability暂态稳定transient stability电厂power plant能量输送power transfer交流AC装机容量installed capacity电网power system落点drop point开关站switch station双回同杆并架double-circuit lines on the same tower 变电站transformer substation补偿度degree of compensation高抗high voltage shunt reactor无功补偿reactive power compensation故障fault调节regulation裕度magin三相故障three phase fault故障切除时间fault clearing time极限切除时间critical clearing time切机generator triping高顶值high limited value强行励磁reinforced excitation线路补偿器LDC(line drop compensation)机端generator terminal静态static (state)动态dynamic (state)单机无穷大系统one machine - infinity bus system机端电压控制AVR电抗reactance电阻resistance功角power angle有功（功率）active power无功（功率）reactive power功率因数power factor无功电流reactive current下降特性droop characteristics斜率slope额定rating变比ratio参考值reference value电压互感器PT分接头tap下降率droop rate仿真分析simulation analysis传递函数transfer function框图block diagram受端receive-side裕度margin同步synchronization失去同步loss of synchronization 阻尼damping摇摆swing保护断路器circuit breaker电阻：resistance电抗：reactance阻抗：impedance电导：conductance电纳：susceptance导纳：admittance电感：inductance电容: capacitance。

Aadmittance导纳shunt admittance并联导纳angle角度，角internal angle ( of an alternator)(交流发电机)内角Bbus母线balancing bus平衡母线infinite bus无穷大母线load bus负荷母线passive bus无源母线slack bus松驰结点voltage controlled bus电压控制母线busbar节点，母线reference busbar参考节点Ccalculation计算load flow calculation负荷潮流计算network calculation网络计算power-flow calculation潮流计算short-circuit calculation短路计算capability能力short-circuit current withstandcapability短路电流耐受能力capacity容量available capacity可用容量capacity of synchronous condenser 调相容量installed capacity装机容量transmission capacity of a tie(line)联络线的输送容量center中心oscillating center振荡中心characteristic特性，特征power-frequency characteristic功率-频率调节特性steady-state load characteristic 稳态负荷特性transient load characteristic暂态负荷特性closing合闸compensation补偿，校正over compensation过补偿reactive power compensation无功功率补偿series compensation串联补偿shunt compensation并联补偿under compensation欠补偿control控制controlling power range控制功率范围power frequency control功率频率控制voltage control电压控制continuity连续性，持续性continuity criteria连续性指标continuity of supply供电连续性conversion变换network conversion网络变换star-polygon conversion星形-多角形变换star-triangle conversion星形-三角形变换cost价格，费用cost of attendance运行费用cost of construction制造成本cost of electric energy电能成本cost of fuel燃料费用cost of maintenance维护费cost of operation运行费cost of power production电力生产成本cost of power station电站造价cost of upkeep维修费cost of per kilowatt每千瓦造价，单位造价cost per kWh lost每度电停电损失outage cost 停电费用current电流current in the fault故障点电流fault current故障电流short-circuit current(through anelement) (通过元件的)短路电流surge current冲击电流curve曲线load curve负荷曲线load duration curve负荷持续时间曲线s tability curve稳定特性曲线swing curve振荡曲线Ddeviation偏差，偏移deviation of synchronous time同步时间偏差frequency deviation频率偏差voltage deviation电压偏差diagram图，图表topological diagram of a network网络拓扑图droop下垂，衰减droop of a system系统静特性droop of a unit机组的静特性duration（持续）时间，工作时间(annual) equivalent interruption duration (年度)等效停电时间(monthly) equivalent interruption duration (月度)等效停电时间switching duration切换时间Eenergy能，电量energy shortfall电量短缺regulation energy of a system系统的调节能量estimation估计state estimation状态估计Ffactor因数，系数power factor 功率因数redundancy factor冗余系数fault故障，错误fault analysis故障分析fault clearance故障切除fault clearing time故障时间fault location故障位置forecast预测forecast of electric demand电力需求预测load forecast负荷预测frequency频率，周波frequency drift频率漂移frequency reduction频率下降reference frequency基准频率Ggeneration发电，发生annual generating energy年发电量gross generation总发电量grid电网，网，高压输电网transmission grid输电网Iimpedance阻抗fault impedance故障阻抗longitudinal impedance纵向阻抗series impedance串联阻抗surge impedance波阻抗interconnection (of a power system)电力系统的互联Llink联接，环节asynchronous link异步联络线link in a system系统联络线limit极限，极限值，范围limit capacity极限容量limit voltage极限电压limit of power功率极限，功率范围limit of self-extinguishingcurrent自熄弧电流的极限值load负荷(载)controllable load可控负荷full load满负荷(载)generation load发电负荷gross load总负荷interruptable load可断负荷load center负荷中心load density负荷密度load flow潮流load in a system系统负荷load recovery负荷恢复load reduction 减负荷load shedding卸负荷load transfer负荷转移loss of load失负荷natural load of a line线路自然负荷non-load空载负荷peak load 尖峰负荷transferable load 可调负荷system load control 系统的负荷控制loss 损耗active loss 有功损耗active-power loss 有功(功率)损耗allowable voltage loss容许电压损耗reactive-power loss 无功(功率)损耗Mmanagement管理generation forecast management发电预测管理matrix 矩阵bus admittance matrix母线导纳矩阵bus impedance matrix母线阻抗矩阵incidence matrix 关联矩阵mesh impedance matrix网络阻抗矩阵sparse matrix 稀疏矩阵Y bus matrix Y母线矩阵Z bus matrix Z母线矩阵meter（测量仪）表，（测量）计flicker meter 闪变仪mode方式maximum operational mode最大运行方式minimum operational mode最小运行方式normal operational mode正常运行方式Nnetwork网active equivalent network有源等效网络electrical power network电力网equivalent network等效网络network splitting电网解列passive equivalent network无源等效网络Ooperation运行asymmetric operation不对称运行asynchronous operation of asynchronous machine 同步电机的异步运行incomplete phase operation 非全相运行interconnected operation 互联运行isolated operation 孤立运行out of step operation失步运行parallel operation并联运行radial operation 幅射运行ring operation环式运行separate network operation电网分列运行unwanted operation异常运行synchronous operation of a system 系统的同步运行synchronous operation of machine 电机的同步运行oscillations振荡subsynchronous oscillations次同步振荡overload过负荷Pplan 计划，设计，方案planning of power network 电网规划planning of power sources电源规划power system planning电力系统规划power 功率active power 有功hydro waiting power 水电空闲容量obstructed power受阻容量power demand from a system 系统的功率需量power flow潮流, 电力潮流power-flow distribution 潮流分布power line 电力线power shortfall功率短缺rated power 额定功率reactive power 无功reference power 基准功率reserve power 备用容量reserve power of a system 系统的备用容量short-circuit power短路容量working power工作容量Qquality质量quality of supply电能质量Rreactance 电抗system reactance系统电抗reclosure重合闸successful reclosure 重合闸成功unsuccessful reclosure重合闸不成功reserve备用spinnig reserve旋转备用static reserve静止备用resonance 谐振hyposynchronous resonance次同步谐振subsynchronous resonance次同步谐振ring环，圈ring closing闭环ring opening开环Sschedule计划generation schedule 发电计划stability稳定conditional stability有条件的稳定frequency stability 频率稳定性inherent stability固有稳定load stability负荷稳定性power system stability 电力系统稳定stability diagram稳定图stability disruption 稳定破坏stability limit 稳定极限stability margin稳定裕度stability range稳定范围stability zone稳定区steady state stability 静态稳定transient stability 暂态稳定voltage stability 电压稳定性supply供给，电源duplicate supply双电源single supply单电源stand-by supply备用电源surplus or deficit of thermal power 火电盈亏system 系统electrical power system电力系统interconnected systems 互联诸系统isolated system孤立系统power system电力系统mesh of a system单网系统meshed system多网系统overhead system架空系统radial system放射系统system configuration 系统结构图system constants系统常数system pattern 系统模式system parameters系统参数tree system链式系统underground system地下系统Ttransformer变压器main transformer主变压器transmission传输，输送transmission line输电线路transmission network输电网transmission system 输电系统transmission voltage 输电电压transmission wire 输电线tripping跳闸final tripping最终跳闸Vvoltage电压equivalent voltage flicker等值电压闪变equivalent voltage fluctuation等值电压波动highest voltage of a system系统的最高电压line voltage drop线路电压降lowest voltage of a system系统的最低电压nominal voltage of a system 系统的标称电压operating voltage in a system系统的运行电压reference voltage 基准电压voltage dips 电压骤降voltage flicker 电压闪变voltage fluctuation电压波动voltage recovery 电压恢复B备用reserve备用电源stand-by supply备用容量reserve power闭环ring closing变压器transformer变换conversion并联运行parallel operation并联导纳shunt admittance并联补偿shunt compensation波阻抗surge impedance不对称运行asymmetric operation补偿compensationC参考节点reference busbar潮流load flow潮流power flow潮流计算power-flow calculation潮流分布power-flow distribution重合闸reclosure重合闸成功successful reclosure重合闸不成功unsuccessful reclosure冲击电流surge current串联阻抗series impedance串联补偿series compensation次同步谐振hyposynchronous resonance 次同步谐振subsynchronous resonance 次同步振荡subsynchronous oscillationsD单电源single supply单网系统mesh of a system导纳admittance等效网络equivalent network等值电压波动equivalent voltagefluctuation等值电压闪变equivalent voltage flicker (年度)等效停电时间(annual) equivalent interruption duration(月度)等效停电时间(monthly)equivalent interruption duration 电机的同步运行synchronous operation of machine电抗reactance电量energy电量短缺energy shortfall电流current电能成本cost of electric energy电能质量quality of supply电力网electrical power network电力线power line电力系统power system电力系统electrical power system电力系统的互联interconnection (of a power system)电力系统规划power system planning电力系统稳定power system stability电力需求预测forecast of electric demand 电力生产成本cost of power production 电压voltage电压波动voltage fluctuation电压闪变voltage flicker电压控制voltage control电压控制母线voltage controlled bus电压骤降voltage dips电压稳定性voltage stability电压恢复voltage recovery电压偏差voltage deviation电源supply电源规划planning of power sources电网grid电网规划planning of power network电网解列network splitting电网分列运行separate network operation 电站造价cost of power station多网系统meshed system短路容量short-circuit power短路计算short-circuit calculation(通过元件的)短路电流short-circuit current(through an element)短路电流耐受能力short-circuit current withstand capability地下系统underground systemE额定功率rated powerF发电generation发电负荷generation load发电计划generation schedule发电预测管理generation forecast management范围limit方案plan方式mode放射系统radial system费用cost非全相运行incomplete phase operation 负荷(载) load负荷潮流计算load flow calculation负荷持续时间曲线load duration curve 负荷恢复load recovery负荷密度load density负荷母线load bus负荷曲线load curve负荷中心load center负荷转移load transfer负荷稳定性load stability负荷预测load forecast幅射运行radial operationG功率power功率因数power factor功率极限limit of power功率范围limit of power功率短缺power shortfall功率-频率调节特性power-frequency characteristic功率频率控制power frequency control 工作容量working power供电连续性continuity of supply过补偿over compensation过负荷overload故障fault 故障分析fault analysis故障切除fault clearance故障时间fault clearing time故障位置fault location故障电流fault current故障点电流current in the fault故障阻抗fault impedance孤立系统isolated system孤立运行isolated operation固有稳定inherent stability估计estimation管理management关联矩阵incidence matrixH合闸closing火电盈亏surplus or deficit of thermal power互联诸系统interconnected systems 互联运行interconnected operation环式运行ring operation环，圈ringJ计划plan计划schedule计算calculation基准电压reference voltage基准频率reference frequency基准功率reference power极限limit极限值limit极限容量limit capacity极限电压limit voltage机组的静特性droop of a unit架空系统overhead system价格cost尖峰负荷peak load减负荷load reduction角度angle节点busbar静止备用static reserve静态稳定steady state stability矩阵matrixK开环ring opening可断负荷interruptable load可控负荷controllable load可调负荷transferable load可用容量available capacity控制control控制功率范围controlling power range空载负荷non-loadL联接link联络线的输送容量transmission capacity of a tie (line)链式系统tree system连续性continuity连续性指标continuity criteriaM满负荷(载) full load每千瓦造价，单位造价cost of per kilowatt 每度电停电损失cost per kWh lost母线bus母线busbar母线导纳矩阵bus admittance matrix母线阻抗矩阵bus impedance matrixN能energy能力capability(交流发电机)内角internal angle ( of an alternator)年发电量annual generating energyP偏差deviation偏移deviation频率frequency频率偏差frequency deviation频率漂移frequency drift频率下降frequency reduction 频率稳定性frequency stability平衡母线balancing busQ欠补偿under compensation切换时间switching duration曲线curveR燃料费用cost of fuel容量capacity冗余系数redundancy factor容许电压损耗allowable voltage lossS闪变仪flicker meter输送transmission输电线路transmission line输电网transmission network输电网transmission grid输电线transmission wire输电系统transmission system输电电压transmission voltage失步运行out of step operation失负荷loss of load双电源duplicate supply受阻容量obstructed power水电空闲容量hydro waiting power松驰结点slack bus损耗lossT特性characteristic特征characteristic同步电机的异步运行asynchronous operation of a synchronous machine 同步时间偏差deviation of synchronous time跳闸tripping调相容量capacity of synchronous condenser停电费用outage cost图，图表diagramW网network网络变换network conversion网络计算network calculation网络拓扑图topological diagram of a network网络阻抗矩阵mesh impedance matrix稳定stability稳定范围stability range稳定图stability diagram稳定区stability zone稳定破坏stability disruption稳定极限stability limit稳定裕度stability margin稳定特性曲线stability curve稳态负荷特性steady-state loadcharacteristic维护费cost of maintenance维修费cost of upkeep无功reactive power无功(功率)损耗reactive-power loss无功功率补偿reactive powercompensation无源等效网络passive equivalent network 无源母线passive bus无穷大母线infinite busX系数factor系统system系统电抗system reactance系统参数system parameters系统常数system constants系统模式system pattern系统结构图system configuration系统联络线link in a system系统静特性droop of a system系统负荷load in a system系统的负荷控制system load control系统的同步运行synchronous operation ofa system系统的运行电压operating voltage in asystem系统的最高电压highest voltage of a system系统的最低电压lowest voltage of a system系统的标称电压nominal voltage of a system系统的备用容量reserve power of a system系统的调节能量regulation energy of a system系统的功率需量power demand from a system下垂，衰减droop稀疏矩阵sparse matrix线路电压降line voltage drop线路自然负荷natural load of a line谐振resonance卸负荷load shedding星形-多角形变换star-polygon conversion 星形-三角形变换star-triangle conversion 旋转备用spinnig reserveYY母线矩阵Y bus matrix异常运行unwanted operation异步联络线asynchronous link因数factor有功active power有功损耗active loss有功(功率)损耗active-power loss有条件的稳定conditional stability有源等效网络active equivalent network预测forecast运行operation运行费cost of operation运行费用cost of attendanceZZ母线矩阵Z bus matrix暂态负荷特性transient load characteristic 暂态稳定transient stability振荡oscillations振荡中心oscillating center振荡曲线swing curve正常运行方式normal operational mode周波frequency中心center主变压器main transformer质量quality制造成本cost of construction状态估计state estimation装机容量installed capacity总发电量gross generation总负荷gross load最终跳闸final tripping阻抗impedance纵向阻抗longitudinal impedance自熄弧电流的极限值limit of self- extinguishing current最大运行方式maximum operational mode 最小运行方式minimum operational mode。

电力英语基本词汇1、the electric power system 电力系统2、prime mover 原动机3、generator 发电机4、load 负载、负荷5、boiler 锅炉6、nuclear reactor 核反应堆7、generating station/power plant 发电厂8、steam-driven turbine 汽轮机9、hydraulic turbine 水轮机10、field current 励磁电流11、power line 电力线12、transformer 变压器13、high-voltage line 高压线14、overhead line 架空线15、underground cable 埋地电缆16、circuit breaker 断路器17、outage 停电18、transmission line 输电线19、radial system 辐射状系统20、loop system 环网系统21、network system 网络状系统22、distribution circuit 配电线路23、short circuit 短路24、fault 故障25、disconnect switch 隔离开关26、voltmeter 电压表27、ammeter 电流表28、wattmeter 有功功率表29、varmeter 无功功率表30、relay 继电器31、trip circuit 跳闸电路32、switchboard 开关屏、配电盘33、instrument transformer 仪用互感器34、potential transformer 电压互感器35、current transformer 电流互感器36、winding 绕组37、reliability 可靠性38、overload 过负荷39、undervoltage 电压不足40、core 磁芯、铁芯41、tank 变压器油箱42、coil 线圈43、three-phase 三相电44、reclose 重合闸45、transient stability 暂态稳定46、steady-state 稳态47、synchronous speed 同步转速48、substation 变电站49、busbar/single busbar/double busbar 母线/单母线/双母线50、resistance/resistor 电阻/电阻器51、capacitance/capacitor 电容/电容器52、inductance/inductor 电感/电感器53、reactance/reactor 电抗/电抗器54、impedance 阻抗55、bypass 旁路56、bus-coupler 母联57、differential protection 差动保护58、lightning arrester 避雷器59、zero sequence current 零序电流60、shunt reactor 并联电抗器61、insulator 绝缘子62、series compensation 串联补偿63、distance protection 距离保护64、directional protection方向保护65、differential protection 差动保护。

电力专业英语阅读与翻译第一课一、Summary of glossary 术语1.电力系统(electric) power systempower generation 发电transmission system(network) 输电系统(网络)distribution system 配电系统2.发电power generationpower plant 发电厂powerhouse 发电站hydropower plant 水力发电厂nuclear plant 核电厂thermal plant 热电厂fossil-power plant火电厂3.负荷分类load classificationindustrial loads 工业负荷residential loads 居民负荷commercial loads 商业负荷4.拓扑结构system topologyradial system 辐射状系统loop system 环状系统network system 网状系统二、Wording-buildingGeneral Introduction 专业英语词汇和构词方法简介专业词汇的形成主要有三种情况：1.借用日常英语词汇或其他学科的专业词汇，但是词义和词性可能发生了明显的变化。

例如：在日常英语中表示“力量、权力”和在机械专业表示“动力”的power，数学上表示“幂”，在电力专业领域可以仍作为名词，表示“电力、功率、电能”；也可以作为动词，表示“供以电能”。

在日常英语中表示“植物”的plant，在电力专业领域中用来表示“电厂”等。

2.由日常英语词汇或其他学科的专业词汇，直接合成新的词汇。

例如：over和head组合成overhead，表示“架空（输电线）”；super和conductor 合成superconductor，表示“超导体”等。

3.由基本词根和前缀或后缀组成新的词汇。

大部分专业词汇属于这种情况。

常用电力专业词汇一、发电generation 发电power plants 发电厂 powerhouse 发电站hydropower plants 水力发电厂nuclear plants 核电厂thermal plants 热电厂fossil fuel-fired steam generating plants,coal-buringplants燃煤发电厂turbine 汽轮机，涡轮机generator 发电机alternator 交流发电机armature 电枢，转子stator 定子rotor 转子winding 绕组，线圈waveform 波形excitation 励磁shutdown 停机barrage 堰，拦河坝二、输电transmission 输电distribution 配电deployment 展开，调度 load scheduling 调度substation 变电所 utility 变电站，电力设施upgrade 升级step-down substation 降压变电所step-up substation 升压变电所radial feed 辐射式溃电（系统）ring bus 环型母线（系统）power factor 功率因数line 线路over-head line 架空线cable 电缆wire 导线neutral wire 中性线bus, busbar 母线，节点working busbar 工作母线reserve busbar 备用母线bypass 旁路transformer 变压器auto transformer 自耦变压器sensing device 互感器current transformer 电流互感器potential transformer 电压互感器circuit-breaker 断路器disconnector 隔离开关fuse 熔断器contactor 接触器load-switch 负荷开关knife-switch 刀开关arrester 避雷器insulator 绝缘体，绝缘子arc 电弧 arcover 电弧放电，击穿 breakdown 击穿push-button 按钮reactor 电抗器meter 仪表ammeter 安培计，电流表voltmeter 伏特表，电压表watt hour meter 电度表状态：normal 正常的 abnormal 反常的 fault 故障short circuit 短路 open circuit 断路，开路 over-load 过负荷overcurrent 过电流 overvoltage 过电压installation 设备，装置relay 继电器 device 装置 auto-reclosing device 自动重合闸closing operation 合闸 opening operation 跳闸power flow, load flow 潮流。

Accident condition 事故状态Accuracy class 准确等级Active power 有功功率Alarm signal 告警信号Alkaline battery 碱性电池Analogy/digital 模拟的/数学的Angle tower 转角塔Angles保护角Anti-accident technicalmeasure 反事故技术措施Anti-explosion membrane 防爆膜（隔板）Anti-pollution insulator 防污型绝缘子Anti-pollution capability 耐污秽能力Arc quenching coil消弧线圈Arrester避雷器Artificial grounding device 人工接地装置Asymmetric/symmetric 不对称/对称Asynchronous/synchronous 非同期的/异步的/同步的Automatic close-up device ofstandby supply 备用电源自动投入装置Automatic safety device 安全自动装置Auxiliary protection辅助保护电力系统专业英语词汇表ABBack flashover反击Backup protection后备保护basic tariff基本电价Black start-up黑启动Block闭锁Brake制动Breakdown击穿Breaker malfunction protection断路器失灵保护Bumping颠簸Bundled conductor分裂导线Bus(bar)母线Bus sectionalizing breaker母线分段断路器Bus tie circuit breaker母线断路器Bypass旁路CCable电缆Capacitance电容Capacitive电容性的Capacitor电容器Central signal system中央信号系统Ceramic insulator瓷质绝缘子Changeable cost变动成本Changing over切换Change-of-state状态改变annel of high frequency高频载波通道carrierCharging and discharging充放电Chromatographic analysis色谱分析Circuit breaker断路器Closed loop/open loop闭环，合环/开环Closing surge current闭合冲击流Coating涂料Communication通信Compact GIS switchgear紧凑型GIS开关Compactness紧凑Compensation补偿Component protection元件保护Compound insulator合成绝缘子Capacitive bushings电容性套管Conductive电导的Contact触点Contactless element无处点元件Contactor (断路器)触头Control with line selection 选线控制Converting valve 换流阀Converting transformer 换流变压器Convertor station 换流站Coordinator control system 协调控制系统Corner tower 转角塔Corona loss 电晕损耗Creepage distance 爬电距离Creepage tower 跨越塔Current-carrying conductor 载流导体DDaily load curve 日负荷曲线Data acquisition unit 数据采集单元Data base 数据库Data handling and logging 数据处理与记录Data processing unit 数据处理单元De-energized tap changer 无载分接开关Deformation 变形Delay protection 延时段保护Delta connection/star connection 三角形/星接连接Diameter expanded conductor 扩径导线Dielectric dissipation factor 介质损耗因数Dielectric strength 绝缘强度Diesel engine generator 柴油发电机Differential current quick trip protection 差动电流速断断保护Differential protection 差动保护Direction protection 方向保护Direction impedance relay 方向阻抗继电器Discharge current recorder 放电电流计数器Discharge gap 放电间隙Dispatcher 调度员Dispatcher center 调度中心Disconnecting switch（disconnector）隔离开关Distance protection 距离保护Distributed capacitance 分布电容Distribution station 配电站District voltage regulation 区域调压Disturbance 扰动Domestic loads 民用负荷Double busbar 双母线Double configuration 双重化配置Double umbrella insulator 双伞绝缘子Drawer type switch cabinet 抽屉式开关柜Dry type transformer 干扰变压器Dynamic steady 动稳定Dynamic／static 动态／静态EElectricity price 电价Electricity tariff 电价费率Electromagnetic field 电磁场Electromagnetic transient process 电磁暂态过程Electrostatic shield 静电屏Emergency condition 紧急状态Emergency lighting 事故照明End tower 终端塔Environment 环境Equalizing ring 均压环Error class 误差等级Error correction ability 纠错能力Excitation 励磁External insulation 外绝缘External malfunction 外部故障Extinguisher voltage 灭弧电压False action 误动False touching 误碰False tripping 误跳Fault 故障FFault oscilloscope故障示波器Fault prevention measure故障避免措施Fault tolerant function容错功能Feeder馈电线Final shield grounding末屏接地Fixed cost固定成本Floating charging浮充电Forced excitation强行励磁强迫油循环风冷Forced oil circulation aircooling强迫油循环导向冷却Forced oil circulation directedcoolingForced oil circulation water强迫油循环水冷cooling强油强风冷却Forced oil cooling and forcedair coolingFossil fuel矿物燃料Frequency deviation频率偏差Frequency regulation频率调整Fuse熔断器GGas chamber 气隔室Gas relay 气体继电器Gas-insulated substation 气体绝缘变电站Gas-sealed separation 气密隔离Generation dispatch control 发电调度控制Generation tariff 上网电价Graded compensation 分级补偿Greenhouse gases 温室气体Ground standing pot type circuit breaker 落地罐式段落器Grounding 接地Grounding device 接地装置Grounding resistance 接地电阻Guideline 导则HHardware 硬件Harmonic filtering 谐波滤波Heat stability 热稳定性Hierarchical and district voltage regulation 分层分区调压High-voltage switch cabinet 高压开关柜Hollow conductor 空芯导线Hydraulic operating mechanism 液压操动机构Hydro power 水电IIce-covered regions 覆冰地区Icing flashover 覆冰闪络Impact closing test 合闸冲击试验Impact force 冲撞力Impedance 阻抗Impulse voltage 冲击电压Independent pole operation 分相操作Inductance 电感Induction motors 异步（感应）电动机Inductive 电感性的，感应的Inductor 电感器Information receiver 受信者Information source 信息源Inrush current 涌流Inside area malfunction 区内故障Instrument transformer 互感器Insulating resistance 绝缘电阻Insulation 绝缘Insulation aging 绝缘老化Insulation coordination 绝缘配合Insulation monitoring device 绝缘监察装置Insulation strings 绝缘子串Insulator /conductor 绝缘子，绝缘体/导线，导体Integrated reclosing mode 综合重合闸方式Interlock 联锁nterface （硬件）接口，（软件）界面Internal insulation 内绝缘Inter-network tariff 互供电价Inverter 逆变器Iron core 铁芯L（Lightning） arrester避雷器Lagging phase滞相运行operation大小伞裙Larger and smallershedLead-acid battery铅酸蓄电池进相运行Leading phaseoperationLeakage泄露Leakage current泄漏电流Lightning照明Lightning impulse雷电冲击绝缘水平insulationLightning overvoltage雷电过电压Lightning proof防雷Lightning protection防雷接地groundingLightning stroke雷击Lightning rod避雷针Lightning stroke outage雷击跳闸rateLine loss线损Line transformer group线路变压器组Linear/nonlinear线性、非线性Link line联络线Load cutting off切负荷Local equilibrium就地平衡就地选测Local selectivemeasureLogic component逻辑元件纵联差动保护Longitudinaldifferential protectionLongitudinal insulation纵向绝缘失步Loss ofsynchronizationLow battery voltage蓄电池欠电压Low-voltage低压配电屏distribution boardLow-voltage locking低电压闭锁 M磁感应强度Magnetic inductionintensityMain insulation主绝缘Main network frame主网架Malfunction失灵Malfunction log故障记录手动操作机构Manual operatingmechanismMargin裕度Maximum operation最大运行方式modeMeter panel仪表屏Maximum sensitive angle最大灵敏角Microcomputer-based protection微机保护Microcomputer type relaying微机型继电保护Microprocessor微处理器Mimic panel模拟屏Mixed insulation混合绝缘Monitoring and controlling system监控系统选线检测Monitoring and measuring with lineselectionMonitoring password监护口令NNatural grounding device自然接地装置Natural power自然功率No-load空载Non conventional instrument非传统传感器transformersNon-all-phase cutoff非全相断开Non-full-phase operation非全相运行Non-uniform/uniform不均匀/均匀Normal/abnormal正常/异常Normal operation mode正常运行方式No-trouble trip无故障跳闸Nuclear fission energy核裂变能Nuclear power核电OOff-line/on-line离线的/在线的Oil immersed transformer油浸变压器Oil level alarm protection油位报警保护Oil level gauge油位计Oil minimum circuit breaker少油断路器Oil pillow油枕On load tap changer有载分接开关Open delta开口三角形Operating mechanism操动机构Operating speed运算速度Operation panel操作屏Operation password操作口令Optical fiber communication光纤通信电路Original data原始数据Oscillation振荡Oscillation-decoupling device振荡解列装置Outage停电/短电Outlet intermediate relay出口中间继电器Outside area fault区外故障Overexcitation过励磁Overvoltage过电压Overcurrent protection过电流保护Overhaul period大修周期Overhead line架空线路Overload过负荷Over-temperature过热成套配电装置Packaged power distributionequipmentParallel operation并列运行Partial discharge局部放电Passive compensation equipment无源补偿设备Peak load regulation峰负荷调节Peak value峰值Petersen coil消弧线圈Phase相,相位Phase-to-phase short circuit fault相间电路故障Phasing verification核相Plant service power厂用电Pneumatic operating mechanism气动操作机构Pollution flashover淫秽闪络Porcelain bushing瓷套管瓷柱式SF6断路器Porcelain column type SF6 circuitbreakerositive /regative /zero sequence正序/负序/零序Post-accident condition事故后状态Potential profile电位分布Potential transformer电压互感器Power angle功率因素角Power communication电力通信Power distribution配电Power factor功率因素Power flow distribution潮流分布Power frequency electric field工频电场Power generation发电电网调动自动化Power grid dispatchingautomationPower market电力市场Power network电力网Power network/power grid电网Power station发电站Power system电力系统Power transformation变电Power transmission输电Power utilization用电Power frequency following工频续流currentPower line carrier电力线载波Pressure release protection压力释放保护Prevent icing flashover防冰闪络Price of kWh电镀电价Primary circuit一次回路Primary equipment一次设备Primary relaying主(继电)保护Primary widding一次绕组programming编程Protection class保护等级Protection grounding保护接地Protection setting保护整定Protective relaying继电保护Public power grid公用电网RRadio interference无线电干扰Rapid auto-reclosing快速自动重合闸Rated value(voltage,current,power,capacity)额定值（电压，电流，功率，容量）Ratio differential protection比率差动保护Reactive power无功功率Reactive power compensation device无功补偿装置Reactive power optimizing control无功优化控制Reactive/voltage optimization无功/电压优化Reactor电抗器Reactor interturn protection电抗器匝间保护Real-time实时Real-time regulation实时调节Recovery repair恢复性检修Rectifier type protectire relaying流程型继电保护Regular inspection定期检查Remote communication遥信Remote control遥控Remote load-reduction device远方减负荷装置Remote measurement遥测Remote regulation遥调Remote tripping protection远方跳闸保护Remote unit-off device远方切机装置Reset复归Residual charge残余电荷Resistance电阻（R）Resistor电阻器Resonance谐振Rotary condenser调相机SSaturation饱和Screen operation locking屏蔽操作闭锁Secondary arc current潜供电流Secondary circuit二次回路Secondary equipment二次设备Sectionalized single(double) busbar with单（双）母线分段加旁路bypassSelective control选控Self detection自检Self diagnosis自诊断Self-excitation自励磁Selling tariff销售电价Separate operation分列运行Sequence-of-event record事件顺序记录Sequence-of-events事件顺序Serious accident重大事故Setting整定Sheath(电缆)护套Shield屏蔽Shielding angles保护角Short circuit/open circuit短路/开始Shunt/series并联/串联Silicon carbide碳化硅Silicon controlled rectifier晶闸管整流器Simulate仿真Simulation panel模拟屏Sine wave distortion rate正弦波畸变率Smoothing reactor滤波电抗器Software软件Software package软件包Soil resistivity土壤电阻率Sparkover火花放电Specific creepage distance爬电比距Spinning reserve capacity旋转备用电量Split conductors分裂导线Split-phase breaker malfunction protection分列式断路器失灵保护Stability稳定，稳定性Stabilizer of power system电力系统稳定器Stable operation稳定运行Start mode起动方式Static compensation静止补偿Statistical line loss统计线损Steep voltage陡波电压Step-up/step-down升压/降压（storage） battery蓄电池Storage capacity存储容量Strain tower耐张塔Stray loss杂散损耗Submarine cable海底电缆Substation变电站Substation integrated automation变电站综合自动化Supply demand balance供需平衡Switch cabinet开关柜Switchboards配电屏Switching投切Switching overvoltage操作过电压Switching station开关站Symmetric short circuit对称短路电流Power electronics电力电子TTap changer分接头开关Telecontrol equipment运动装置Temperature rise升温Tention tower耐张塔Terminal block端子排Tertiary windings第三绕组Thermal stability热稳定Three-winding transformer三绕组变压器Thyristor晶闸管Topology拓扑Transient process暂态过程Transmitter panel变送器柜Transposition tower换位塔Trip跳闸Tri-umbrella type insulator三伞型绝缘子Turn-to-turn short circuit匝间短路Two part tariff两部制电价Two-winding transformer双绕组变压器Uunattended substation无人值班变电站Unbalanced不平衡的VValve type arrestor阀型避雷器Vibration振动Voltage classes电压等级Voltage distribution电压分布Voltage pivot point电压中枢点Voltage quality电压质量Voltage/reactive power电压/无功功率自动控制automation controlWWater cooler水冷却器Water film水膜Weak electrification弱电化Wholesale tariff售电价变压器绕组的接线组别Winding connection group of thetransformerWinding绕组Wire breakage locking断线闭锁Withstand耐受Working grounding工作接触ZZero value insulator零值绝缘子Zinc oxide氧化锌3/2 circuit breaker connection 3/2断路器接线或一个半断路器接线“O’clock” expression of transformer wiring group 变压器接线组别的“时钟表示法”6 degree principle of insulation life time 绝缘寿命6 C 法则10% error curve 10%误差术语缩写：AC alternating current/diret current 交流/直流AGC automatic generation control 自动发电控制AN audible noise 可听噪声BIL basic impulse insulation level 基本冲击绝缘水平CB circuit breaker 断路器GIGER Conference International des Grands 国际大电网会议Reseaux Electrique a Houte TensionCRT cathode-ray tube 阴极射线管CT current transformer 电流互感器CVT capacitive voltage transformer 电容式电压互感器EHV extra-high voltage 超高压ELF extremely low frequency 极低频EMS energy management system 能量管理系统ESDD equivalent salt deposit density 等值附盐密度FC filtering capacitor 滤波电容器GIS gas insulated switchgear 气体绝缘全封闭组合电器GIT gas-insulate transformer 气体绝缘变压器HV high voltage 高压HVDC high voltage DC transmission 高压直流输电I/O input output 输入 /输出LCD liquid crystal display 液晶显示器MOA metal oxide arrestor 金属氧化物（氧化锌）避雷器OLTC in-load tap changer 有载调压开关OPGW optical-fiber composite overhead ground wire 光纤复合架空地线OPGW composite optical fiber ground wire 光纤复合地线PT potential transformer 电压互感器RI radio interference 无线电干扰RTU remote interference 远方终端RUTs the remote terminal units 远方终端装置SCADA supervisory control and data acquisition 监控与数据采集SCR silicon controlled rectifier 晶闸管整流器SIL switching impulse insulation level 操作冲击绝缘水平SR saturated reactor 饱和电抗器SVC static var compensator 静止无功补偿装置SVS static var system 静止无功补偿系统TCR thyristor controlled reactor 晶闸管控制电抗器TCT thyristor controlled transformer 晶闸管控制变压器TSC thyristor switched capacitor 晶闸管投切电容器UHV ultra-high voltage 特高压UPS uninterrupted power supply 不间断供电电源VSC voltage source convert 电压源变换器。

电力专业英语词汇(较全)1）元件设备三绕组变压器：three-column transformer ThrClnTrans 双绕组变压器：double-column transformer DblClmnTrans 电容器：Capacitor并联电容器：shunt capacitor电抗器：Reactor母线：Busbar输电线：TransmissionLine发电厂：power plant断路器：Breaker刀闸(隔离开关)：Isolator分接头：tap电动机：motor2）状态参数有功：active power无功：reactive power电流：current容量：capacity电压：voltage档位：tap position有功损耗：reactive loss无功损耗：active loss空载损耗：no-load loss铁损：iron loss铜损：copper loss空载电流：no-load curren阻抗：impedance正序阻抗：positive sequence impedance负序阻抗：negative sequence impedance零序阻抗：zero sequence impedance无功负载：reactive load 或者QLoad有功负载: active load PLoad遥测：YC(telemetering)遥信：YX励磁电流(转子电流)：magnetizing current定子：stator功角：power-angle上限:upper limit下限：lower limit并列的：apposable高压: high voltage低压：low voltage中压：middle voltage电力系统 power system发电机 generator励磁 excitation励磁器 excitor电压 voltage电流 current母线 bus变压器 transformer升压变压器 step-up transformer高压侧 high side输电系统 power transmission system输电线 transmission line固定串联电容补偿fixed series capacitor compensation 稳定 stability电压稳定 voltage stability功角稳定 angle stability暂态稳定 transient stability电厂 power plant能量输送 power transfer交流 AC装机容量 installed capacity电网 power system落点 drop point开关站 switch station双回同杆并架 double-circuit lines on the same tower 变电站 transformer substation补偿度 degree of compensation高抗 high voltage shunt reactor无功补偿 reactive power compensation故障 fault调节 regulation裕度 magin三相故障 three phase fault故障切除时间 fault clearing time极限切除时间 critical clearing time切机 generator triping高顶值 high limited value强行励磁 reinforced excitation线路补偿器 LDC(line drop compensation)机端 generator terminal静态 static (state)动态 dynamic (state)单机无穷大系统 one machine - infinity bus system 机端电压控制 AVR功角 power angle有功（功率） active power无功（功率） reactive power功率因数 power factor无功电流 reactive current下降特性 droop characteristics斜率 slope额定 rating变比 ratio参考值 reference value电压互感器 PT分接头 tap下降率 droop rate仿真分析 simulation analysis传递函数 transfer function框图 block diagram受端 receive-side裕度 margin同步 synchronization失去同步 loss of synchronization阻尼 damping摇摆 swing保护断路器 circuit breaker电阻：resistance电抗：reactance阻抗：impedance电导：conductance电纳：susceptance导纳：admittance电感：inductance电容: capacitanceAGC Automatic Generation Control自动发电控制AMR Automatic Message Recording 自动抄表ASS Automatic Synchronized System 自动准同期装置ATS Automatic Transform System 厂用电源快速切换装置AVR Automatic Voltage Regulator 自动电压调节器BCS Burner Control System 燃烧器控制系统BMS Burner Management System 燃烧器管理系统CCS Coordinated Control System 协调控制系统CRMS Control Room Management System 控制室管理系统CRT Cathode Ray Tube 阴极射线管DAS Data Acquisition System 数据采集与处理系统DCS Distributed Control System 分散控制系统DDC Direct Digital Control 直接数字控制（系统）DEH Digital Electronic Hydraulic Control 数字电液(调节系统)DPU Distributed Processing Unit 分布式处理单元EMS Energy Management System 能量管理系统ETS Emergency Trip System 汽轮机紧急跳闸系统EWS Engineering Working Station 工程师工作站FA Feeder Automation 馈线自动化FCS Field bus Control System 现场总线控制系统FSS Fuel Safety System 燃料安全系统FSSS Furnace Safeguard Supervisory System 炉膛安全监控系统GIS Gas Insulated Switchgear 气体绝缘开关设备GPS Global Position System 全球定位系统HCS Hierarchical Control System 分级控制系统LCD Liquid Crystal Display 液晶显示屏LCP Local Control Panel 就地控制柜MCC Motor Control Center （电动机）马达控制中心MCS Modulating Control System 模拟量控制系统MEH Micro Electro Hydraulic Control System 给水泵汽轮机电液控制系统MIS Management Information System 管理信息系统NCS Net Control System 网络监控系统OIS Operator Interface Station 操作员接口站OMS Outage Management System 停电管理系统PID Proportion Integration Differentiation 比例积分微分PIO Process ｉｎｐｕｔOutput 过程输入输出（通道）PLC Programmable Logical Controller 可编程逻辑控制器PSS Power System Stabilizator 电力系统稳定器SCADA Supervisory Control And Data Acquisition 数据采集与监控系统SCC Supervisory Computer Control 监督控制系统SCS Sequence Control System 顺序(程序)控制系统SIS Supervisory Information System 监控信息系统TDCS（TDC）Total Direct Digital Control 集散控制系统TSI Turbine Supervisory Instrumentation 汽轮机监测仪表UPS Uninterrupted Power Supply 不间断供电专业英语（电力词汇）标准的机组数据显示 (Standard Measurement And Display Data) 负载电流百分比显示 Percentage of Current load(%)单相/三相电压 Voltage by One/Three Phase (Volt.)每相电流 Current by Phase (AMP)千伏安Apparent Power (KVA)中线电流 Neutral Current (N Amp)功率因数 Power Factor (PF)频率 Frequency(HZ)千瓦 Active Power (KW)千阀 Reactive Power (KVAr)最高/低电压及电流 Max/Min. Current and Voltage输出千瓦/兆瓦小时 Output kWh/MWh运行转速 Running RPM机组运行正常 Normal Running超速故障停机 Overspeed Shutdowns低油压故障停机 Low Oil Pressure Shutdowns高水温故障停机 High Coolant Temperature Shutdowns起动失败停机 Fail to Start Shutdowns冷却水温度表 Coolant Temperature Gauge机油油压表 Oil Pressure Gauge电瓶电压表 Battery Voltage Meter机组运行小时表 Genset Running Hour Meter怠速-快速运行选择键 Idle Run – Normal Run Selector Switch运行-停机-摇控启动选择键 Local Run-Stop-Remote Starting Selector Switch 其它故障显示及输入 Other Common Fault Alarm Display and电力行波词汇行波travelling wave模糊神经网络fuzzy-neural network神经网络neural network模糊控制fuzzy control研究方向 research direction副教授associate professor电力系统the electrical power system大容量发电机组large capacity generating set输电距离electricity transmission超高压输电线super voltage transmission power line投运commissioning行波保护Traveling wave protection自适应控制方法adaptive control process动作速度speed of action行波信号travelling wave signal测量信号measurement signal暂态分量transient state component非线性系统nonlinear system高精度high accuracy自学习功能self-learning function抗干扰能力anti-jamming capability自适应系统adaptive system行波继电器travelling wave relay输电线路故障transmission line malfunction仿真simulation算法algorithm电位electric potential短路故障short trouble子系统subsystem大小相等，方向相反equal and opposite in direction电压源voltage source故障点trouble spot等效于equivalent暂态行波transient state travelling wave偏移量side-play mount电压electric voltage附加系统add-ons system波形waveform工频power frequency延迟变换delayed transformation延迟时间delay time减法运算subtraction相减运算additive operation求和器summator模糊规则fuzzy rule参数值parameter values可靠动作action message等值波阻抗equivalent value wave impedance附加网络additional network修改的modified反传算法backpropagation algorithm隶属函数membership function模糊规则fuzzy rule模糊推理fuzzy reasoning模糊推理矩阵fuzzy reasoning matrix样本集合 sample set给定的given采样周期sampling period三角形隶属度函数Triangle-shape grade of membership function 负荷状态load conditions区内故障troubles inside the sample space门槛值threshold level采样频率sampling frequency全面地all sidedly样本空间sample space误动作malfunction保护特性protection feature仿真数据simulation data灵敏性sensitivity小波变换wavelet transformation神经元neuron谐波电流harmonic current电力系统自动化power system automation继电保护relaying protection中国电力 China Power学报 journal初探primary exploration电机学 electrical machinery自动控制理论 automatic control theory电磁场 electromagnetic field电磁场与电磁波& Magnetic Waves微机原理 principle of microcomputer电工学 electrotechnics principle of circuits电力系统稳态分析 steady-state analysis of power system电力系统暂态分析 transient-state analysis of power system电力系统继电保护原理 principle of electrical system's relay protection 电力系统元件保护原理 protection principle of power system 's element 电力系统内部过电压 past voltage within power system模拟电子技术基础 basis of analogue electronic technique数字电子技术 digital electrical technique电路原理实验lab. of principle of circuits电气工程讲座 lectures on electrical power production电力电子基础basic fundamentals of power electronics高电压工程high voltage engineering电子专题实践topics on experimental project of electronics 电气工程概论introduction to electrical engineering电子电机集成系统electronic machine system电力传动与控制electrical drive and control电力电子电路Power Electronic Circuit电力电子电器Power Electronic Equipment电力电子器件Power Electronic Devices电力电子学Powe r Electronics电力工程Electrical Power Engineering电力生产技术Technology of Electrical Power Generation电力生产优化管理Optimal Management of Electrical Power Generation电力拖动基础Fundamentals for Electrical Towage电力拖动控制系统Electrical Towage Control Systems电力系统Power Systems电力系统电源最优化规划Optimal Planning of Power Source in a Power System 电力系统短路Power System Shortcuts电力系统分析Power System Analysis电力系统规划Power System Planning电力系统过电压Hyper-Voltage of Power Systems电力系统继电保护原理Power System Relay Protection电力系统经济分析Economical Analysis of Power Systems电力系统经济运行Economical Operation of Power Systems电力系统可靠性Power System Reliability电力系统可靠性分析Power System Reliability Analysis电力系统无功补偿及应用Non-Work Compensation in Power Systems & Applicati 电力系统谐波Harmonious Waves in Power Systems电力系统优化技术Optimal Technology of Power Systems电力系统优化设计Optimal Designing of Power Systems电力系统远动Operation of Electric Systems电力系统远动技术Operation Technique of Electric Systems电力系统运行Operation of Electric Systems电力系统自动化Automation of Electric Systems电力系统自动装置Power System Automation Equipment电路测试技术Circuit Measurement Technology电路测试技术基础Fundamentals of Circuit Measurement Technology感应定律law of induction励磁 excitation 励磁器 magnetizing exciter励磁器 exciter 恒定励磁器constant exciter励磁器激振器exciter励磁电流：magnetizing current 强行励磁reinforced excitation励磁调节器excitation regulator无功伏安volt-ampere reactive无功伏安时volt-ampere-hour reactive稳态控制homeostatic control; stable control a steady-state control 水电厂hydroelectric station落点 drop point 调节 regulation调节器conditioner 励磁调节器excitation regulator调速器regulator, governor ；speed regulator ；（正规）speed governor 高抗 high voltage shunt reactor并列的： apposite; paratactic 同步 synchronization系统解列system splitting（ trip）失去同步loss of synchronization 分接头：tap 裕度 margin 档位：tap position故障 fault 三相故障 three phase fault 切机 generator triping故障切除时间fault clearing ti me高顶值 high limited value静态 static (state) 动态 dynamic (state) 暂态transient机端电压控制 avr电动机：motor有功负载: active load/pload 无功负载：reactive load电压互感器pt (potential /voltage transformer )参考值 reference value 单机无穷大系统one machine - infinity bus system 仿真分析 simulation analysis 下降率 droop rate传递函数 transfer function 框图 block diagram受端 receive-side 同步 synchronization保护断路器 circuit breaker阻尼 damping无刷直流电机：brusless dc motor永磁电动机permanent-magnet current motor机端 generator terminal永磁同步电机：permanent-magnet synchronism motor异步电机：asynchronous motor三绕组变压器：three-column transformer thrclntransthree winding transformer双绕组变压器：double-column transformer dblclmntranstwo-circuit transformer; two-winding transformer固定串联电容补偿fixed series capacitor compensation双回同杆并架 double-circuit lines on the same tower单机无穷大系统 one machine - infinity bus system偿度 degree of compensation电磁场失去同步electromagnetic fields loss of synchronization装机容量 installed capacity无功补偿 reactive power compensation故障切除时间 fault clearing time极限切除时间 critical clearing time强行励磁 reinforced excitation并联电容器：shunt capacitor下降特性 droop characteristics线路补偿器 ldc(line drop compensation)。

电气常用英语词汇电力系统power system 发电机generator 励磁excitation 励磁器excitor电压voltage 电流current 升压变压器step-up transform er母线bus 变压器transformer 空载损耗no-load loss铁损iron loss铜损copper loss 空载电流no-load current 有功损耗act ive loss无功损耗reactive loss 输电系统power transmission syste m高压侧high side 输电线transmission line 高压high v oltage低压low voltage 中压middle voltage 功角稳定angle s tability稳定stability 电压稳定voltage stability 暂态稳定transi ent stability电厂power plant 能量输送power transfer 交流AC直流DC电网power system 落点drop point 开关站switch statio n调节regulation 高抗high voltage shunt reactor 并列的apposable裕度margin 故障fault 三相故障three phase fault分接头tap切机generator triping 高顶值high limited value 静态static (state)动态dynamic (state) 机端电压控制AVR 电抗reactance 电阻resistance功角power angle 有功〔功率〕active power 电容器Cap acitor 电抗器Reactor断路器Breaker 电动机motor 功率因数power-factor 定子stator 阻抗impedance功角power-angle 电压等级voltage grade 有功负载: active load PLoad无功负载reactive load 档位tap position 电阻resistor 电抗reactance电导conductance 电纳susceptance 上限upper limit下限lower limit正序阻抗positive sequence impedance 负序阻抗negative sequence impedance零序阻抗zero sequence impedance 无功〔功率〕reactive p ower功率因数power factor 无功电流reactive current 斜率slop e 额定rating变比ratio 参考值reference value 电压互感器PT 分接头tap仿真分析simulation analysis 下降率droop rate 传递函数transfer function框图block diagram 受端receive-side 同步synchronizat ion保护断路器circuit breaker 摇摆swing 阻尼damping无刷直流电机Brusless DC motor 刀闸(隔离开关) Isolator机端generator terminal变电站transformer substation 永磁同步电机Permanent-m agnet Synchronism Motor异步电机Asynchronous Motor 三绕组变压器three-column transformer ThrClnTrans双绕组变压器double-column transformer DblClmnTrans固定串联电容补偿fixed series capacitor compensation双回同杆并架double-circuit lines on the same tower单机无穷大系统one machine - infinity bus system励磁电流Magnetizing current 补偿度degree of compensati on电磁场:Electromagnetic fields 失去同步loss of synchronization装机容量installed capacity 无功补偿reactive power comp ensation故障切除时间fault clearing time 极限切除时间critical clear ing time强行励磁reinforced excitation 并联电容器shunt capacitor <下降特性droop characteristics 线路补偿器LDC(line drop c ompensation)电机学Electrical Machinery 自动控制理论Automatic Cont rol Theory电磁场Electromagnetic Field 微机原理Principle of Micro computer电工学Electrotechnics 电路原理Principle of circuits 电机学Electrical Machinery电力系统稳态分析Steady-State Analysis of Power System电力系统暂态分析Transient-State Analys is of Power System电力系统继电保护原理Principle of Electrical S ystem's Relay Protection电力系统元件保护原理Protection Principle ofPower System 's Element电力系统内部过电压Past Voltage within P ower system模拟电子技术根底Basis of Analogue Ele ctronic Technique数字电子技术Digital Electrical Techni que电路原理实验Lab. of principle of circ uits电气工程讲座Lectures on electrical p owerproduction电力电子根底Basic fundamentals of power electronics高电压工程High voltage engineering 电子专题实践Topics on experimental project of electronics电气工程概论Introduction to electric al engineering电子电机集成系统Electronic machine sy stem电力传动与控制Electrical Drive and C ontrol电力系统继电保护Power System Relayin g Protection主变压器main transformer升压变压器step-up transformer降压变压器step-down transformer 工作变压器operating transformer备用变压器standby transformer公用变压器common transformer 三相变压器three-phase transformer 单相变压器single-phase transforme r带负荷调压变压器on-load regulating transf ormer变压器铁芯transformer core变压器线圈transformer coil变压器绕组transformer winding变压器油箱transformer oil tank变压器外壳transformer casing变压器风扇transformer fan变压器油枕transformer oil conserva tor(∽drum变压器额定电压transformer reted voltage变压器额定电流transformer reted current 变压器调压范围transformer voltage reg ulation rage配电设备power distribution equip mentSF6断路器SF6 circuit breaker开关switch 按钮button 隔离开关isolator,disconne ctor真空开关vacuum switch 刀闸开关knife-switch接地刀闸earthing knife-switch 电气设备electrical equip ment变流器current converter 电流互感器current transf ormer电压互感器voltage transformer 电源power source交流电源AC power source 直流电源DC power sourc e工作电源operating source 备用电源 Standby source 强电strong current 弱电weak current继电器relay 信号继电器signal relay 电流继电器cur rent relay电压继电器voltage relay 跳闸继电器tripping relay合闸继电器closing relay中间继电器intermediate relay 时间继电器time relay零序电压继电器zero-sequence voltage relay 差动继电器differential relay闭锁装置locking device 遥控telecontrol 遥信tel esignalisation遥测telemetering 遥调teleregulation 断路器breaker,circuit breaker少油断路器mini-oil breaker,oil-mini-mum breaker高频滤波器high-frequency filter 组合滤波器combi ned filter常开触点normally opened contaact 常闭触点norma lly closed contaact并联电容parallel capacitance 保护接地protective earthing熔断器cutout,fusible cutout 电缆cable 跳闸脉冲tripping pulse合闸脉冲closing pulse 一次电压primary voltage 二次电压secondary voltage 并联电容器parallel ca pacitor无功补偿器reactive power compensation device消弧线圈arc-suppressing coil 母线Bus,busbar 三角接法delta connection星形接法Wye connection 原理图schematic diagra m一次系统图primary system diagram二次系统图secondary system diagram两相短路two-phase short circuit三相短路three-phase short circuit单相接地短路single-phase ground short circuit短路电流计算calculation of short circuit current自动重合闸automatic reclosing高频保护high-freqency protection距离保护distance protection横差保护transverse differential protection纵差保护longitudinal differential protection线路保护line protection 过电压保护over-voltage prot ection母差保护bus differential protection瓦斯保护Buchholtz protection 变压器保护transformer protection电动机保护motor protection 远方控制remote control 用电量power consumption载波carrier 故障fault 选择性selectivity 速动性s peed灵敏性sensitivity 可靠性reliability 电磁型继电器elect romagnetic无时限电流速断保护i nstantaneously over-current protect ion跳闸线圈trip coil 工作线圈operating coil制动线圈retraint coil 主保护main protection 后备保护back-up protection定时限过电流保护definite time over-current protection三段式电流保护the current protection with three stages 反时限过电流保护inverse time over-current protection方向性电流保护the directional current protection零序电流保护zero-sequence current protection阻抗impedance 微机保护Microprocessor Protection。

AA．B．C极密度继电器(第二报警值）Density relay For A.B。

C. pole (2th alarm value)A．B．C极密度继电器(第一报警值）Density relay For A。

B.C。

pole （first alarm value）A．B．C极主储压器漏氮指示器Indicator for N2 leakage from the main accumulator of A。

B。

C。

pole安（培) ampere （A)安全边界safety boundaries安全标志safety mark安全标准safety standard安全操作规程safety operation specifications安全措施safety measure / safety action安全电压safety voltage安全阀relief valve / safety valve安全阀打开Safety valve opening安全防护技术要求safeguarding specifications安全分析报告safety analysis report安全工程（学）safety engineering安全工作压力safe working pressure安全管理safety management安全技术措施safety technical steps (measurement))安全技术规程safety technical regulation安全距离safe distance安全可靠运行safe and reliable operation安全认证safety certification安全色safety color安全设［措]施maintenance prevention安全生产safety in production安全特低电压safety extra—low voltage安全限度safe limit安全性safety安全要求safety requirement安全裕度safety margin安全运行safe and reliable operation / safe operation安全责任制system of safety responsibility安全注意事项safety precautions安匝ampere-turns安装erection / mounting / installation安装垫mounting pad安装费用installation cost安装和使用条件condition of installation and use安装和维护erection and maintenance安装结构mounting structure安装结构或间距mounting structure or spacing安装竣工检验final installation inspection安装孔fixing hole安装面mounting face安装平面mounting plane安装使用说明书instructions for installation ＆operation 安装说明mounting instruction安装条件mounting conditions安装图assembly drawing安装有…… be installed / be fitted with氨气检漏ammonia sniffing鞍型端子saddle terminal按钮push—button按钮开关push button actuator按生产要素分配distribution based on production factors按照in accordance with (to）/ according to按指数衰减的直流恢复电压exponentially decaying d.c. recovery voltage盎斯—英寸ounce—inch凹坑pit奥氏体austeniteB八小时工作制8—hour duty巴(表压) bar （gauge pressure)扒钉anti-cheking iron扒渣dross trap拔模斜度draft把...拆开take apart把M安装在N上fit M on N把M套在N上fit M over N把M装(插）进N fit M into N把手handle坝址dam site白班dayshift白点fish eye / flake白金white gold白金电极platinum electrode白口铁white cast iron白口铸铁white cast iron白铁皮white iron白噪声white noise百分比抽样检验percent sampling inspection and test 百分数percentage百分数导电率percent conductivity百分阻抗percentage impedance摆动wobble摆动焊welding with weaving；weave bead welding 摆动振动wagging vibration摆脱电流let—go current扳手wrench / spanner斑点spot搬运handling板材sheets板规（靠模）plate gauge （shaping plate)板坯slab板条箱（包装用) crate板牙screw plate / die—block半波half—wave / half—cycle / loop半波持续时间loop duration半成品semi—finished product半打（六个）half a dozen半导体semiconductor半导体层semiconducting layer半干法semi—dry method半个正弦波 a half sine wave半个周波one-half cycle半极half a pole半控half control半年度检验semiannual inspection and test半衰期half—life半小时half an hour半硬钢half—hard steel半圆棒half round bar半自动semi-automatic半自动的semi-automatic半自动焊semi-automatic welding伴随accompany棒料billet棒形绝缘子rod insulator包封encapsulating包封胶encapsulating compound包覆导体clad conductor包含体inclusion body包括include / comprise / contain包络线envelope curve包铅金属lead coated metal包税区bonded area包装package / packing包装标志packing mark包装标准packing standard包装箱packing box / packaging case饱和saturation饱和磁化强度saturation magnetization饱和度degree of saturation饱和效应saturation effect饱和因数saturation factor保持hold保持继电器keep relay保持经济适度快速增长maintain an appropriate rapid economic growth保持在合闸位置be held in closed position保持至少5分钟at least maintain for 5 min保护电抗器protective reactor保护电力间隙protection power gap保护电路protective circuit保护断路器back—up circuit breaker / protection circuit breaker保护范围protective range保护火花间隙protective spark gap保护继电器protective relay保护开关back-up switch / protection switch保护水平protection level保护用互感器protective transformer保护装置protective equipment (device）保护装置的保护水平protection level of a protective device保护装置的保护因数protection factor of a protective device保留垫板fusible （permanent）backing保留指数retention index保税区bonded area保温材料adiabator / thermal insulation material保温层lagging / thermal insulation保温加热器temperature—keeping heater保温冒口insulated feeder保温温度holding temperature保险insurance保险阀lock valve保险公司insurance company保险丝fuse / fuse wire保证ensure / assure / guarantee保证国家的长治久安guarantee China’s long-term stability 保证社会公共需要guarantee social needs报废riscard / refuse / scrap报废品scrapped product报告report报告编号reference of report number报警alarm报批for approval爆裂rupture爆破片bursting disks爆破片的误爆破unintentional rupture of bursting disk爆破压力rupture pressure爆炸性气体explosive gases杯状纵磁结构cup—shaped axial magnetic structure备份backup备件spare parts备料场charging area / charge make—up area备忘录memorandum (-book）备用prepared for use备用的辅助开关spare auxiliary switch备用面板blank panel备有…… be fitted with… / be equipped with …备注Remarks背板sheet backing背点ant—apex 背对背电容器组back—to-back capacitor bank背景情况background背景噪声background noise背景噪声水平background noise level背砂backing sand背压力back pressure背压式汽轮机back-pressure turbine倍频器frequency doubler被覆层coating layer / coat / coating被覆线coated wire被审核方auditee被试断路器the test circuit breaker焙烧baking本图This drawing本图对应断路器处于下列状态This diagram corresponds to the following conditions：本图供用户作液压柜-断路器本体(密度继电器、储压器漏氮指示器、接线盒)之间电缆联接参考用。

Distr‎ibuti‎o n Syste‎m s and Loads‎--Part 1Part 1 Intro‎d ucti‎o n of Distr‎i buti‎o n Syste‎m s第六章配电系统和‎负荷第一节配电系统概‎述一些工业用‎户的供电电‎压等级为3‎4.5～138kV‎，即输电电压‎等级，但大多数电‎力用户是由‎配电系统的‎馈电线供电‎的。

一次配电电‎压等级是4‎~34.5kV，通常在11‎~15kV之‎间。

小型工业用‎户由一次系‎统中此电压‎等级的一次‎馈线供电。

一次系统也‎给经过单相‎三线电路居‎民用电和商‎业用户提供‎120/240V二‎次电压的配‎电变压器供‎电。

其他二次电‎路是三相四‎线系统。

如图6-1所示，在输电变电‎站（母线Ａ）所给出的集‎合负荷，除了所连接‎的负荷设备‎以外，通常包括变‎电站降压变‎压器、中高压馈线‎、配电馈线、配电变压器‎、调压器、无功补偿设‎备的影响。

Relay‎s and Prote‎c tion‎Desig‎n--Part2‎Part 2 Quali‎t ies Requi‎r ed of Prote‎c tion‎第二节保护要求的‎性能现在介绍一‎下常常用来‎描述保护装‎置效果的几‎个术语。

继电器的特‎性属于是衡‎量其性能质‎量的重要标‎准。

第一项属性‎——动作速度——不言而喻。

既然故障电‎流持续流通‎的时间越长‎对设备的损‎害就越大，那么在与其‎他外加要求‎相容的条件‎下，用于保护的‎继电器应该‎尽可能快的‎做出决定。

继电器的选‎择性或识别‎性指的是，要求在系统‎故障后所隔‎离的部分应‎尽量少即能‎够仅仅隔离‎系统故障部‎分的效果。

灵敏性——（引发继电器‎）动作的故障‎电流幅值水‎平，可以用实际‎网络电流（一次电流）表示或作为‎电流互感器‎二次电流的‎百分数。

可靠性的意‎思是继电器‎应该始终在‎按其设计应‎该动作的所‎有故障下动‎作，并且对于任‎何其他的系‎统条件避免‎动作。