调速器英文说明书

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第 三 章 调速器

Chapter Three Governor

1 调速器设计原则 Design principle of governor

IEEE标准

IEC61362-1998标准

IEC308《水轮机调速系统试验国际规程》

GB/T 9652.1-1997 《水轮机调速器与油压装置技术条件》

GB/T 9652.2-1997《水轮机调速器与油压装置试验验收规程》

IEEE standard

IEC61362-1998 standard

IEC308 “International regulations of turbine governing system test”

GB/T 9652.1-1997 “Technical specifications of turbine governor and oil pressure device”

GB/T 9652.2-1997 “Acceptance regulations of turbine governor and oil

pressure device test”

DL/T563-95《水轮机电液调节系统及装置技术规程》

DL/T496-2001《水轮机电液调节系统及装置调整试验导则》

JB/T 56079-2000《大型水轮机调速器与油压装置产品质量分等》

其他相关水轮机、调速器标准

DL/T563-95 “Turbine electrohydraulic control system and device technical specification”

DL/T496-2001 “Turbine electrohydraulic control system and device adjustment test guideline”

JB/T 56079-2000 “Large turbine governor and oil pressure product quality

grading”

Other relevant turbine, governor specifications

2 调速器主要技术参数

调速器型号: BWST-PLC-80/4.0

调速器型式: 并联PID调节

电液转换型式: 无油步进式电液转换器

测速方式: 残压或齿盘

测频误差: ≤0.00034% 2. Major technical parameter of governor

Governor model number: BWST-PLC-80/4.0

Governor type: parallel connection PID adjustment

Electro-hydraulic conversion type: No oil stepping type electro-hydraulic converter

Speed measurement method: residual voltage or fluted disc

Frequency measurement error: ≤0.00034%

扫描周期: 5ms

电源: AC 220V±15%和DC 220V±15%(同时供电)

永态转差系数: bp=0~10%(调整分辨率为1%)

比例增益KP: 0.5~20 s

积分增益Ki: 0.05~1.01/s

微分增益Kd: 0~10 s

暂态转差系数: bt=1~200%(调整分辨率为1%)

积分时间常数: Td=1~20 s(调整分辨率为1s)

加速度时间常数: Tn=0~5 s(调整分辨率为0.1s)

频率给定范围: FG=45~55 Hz(调整分辨率为0.01Hz)

频率死区范围: E=0~0.5 Hz(调整分辨率为0.01Hz)

Scanning period: 5ms

Power supply: AC 220V±15% and DC 220V±15%(power supply at

the same time)

Eternity deviation coefficient: bp=0~10%(Adjustment resolution is 1%)

Proportional gain KP: 0.5~20 s

Integral gain Ki: 0.05~1.01/s

Differential gain Kd: 0~10 s

Transient deviation coefficient: bt=1~200%(Adjustment resolution is 1%)

Integral time constant: Td=1~20 s(Adjustment resolution is 1s)

Acceleration time constant: Tn=0~5 s(Adjustment resolution is 0.1s)

Frequency given range: FG=45~55 Hz(Adjustment resolution is 0.01Hz)

Frequency dead zone range: E=0~0.5 Hz(Adjustment resolution is 0.01Hz)

功率死区范围: i=0~5%

电气开度限制范围: L=0~100%(调整分辨率≤1%)

功率给定范围: P=0~120%(调整分辨率≤1%)

Power dead zone range: i=0~5%

Electrical opening limit range: L=0~100%(Adjustment resolution≤1%)

Power given range: P=0~120%(Adjustment resolution≤1%)

人工失灵区: ±1.0% (调整分辨率为0.01Hz)

转速调节范围 ±10%;

导叶主配置径: 80mm

桨叶主配置径: 80mm

导叶接力器全开行程时间调整范围为2~15s

导叶接力器全关闭行程时间调整范围为2~15s

桨叶接力器关闭时间调整范围为12-60S

桨叶接力器开启时间调速范围为12-60S Artificial failure zone: ±1.0% (Adjustment resolution is 0.01Hz)

Rotating speed governing range: ±10%;

Guide vane lord configuration diameter: 80mm

Paddle lord configuration diameter: 80mm

Guide vane servomotor full open trip time adjustment range: 2~15s

Guide vane servomotor full closed trip time adjustment range: 2~15s

Paddle servomotor closed time adjustment range: 12~60s

Paddle servomotor open time adjustment range: 12~60s

3 调速器性能保证

调速器所有性能指标均能达到或超过国标GB/T9652-1997大型调速器的技术要求。

3. Performance guarantee of governor

Performance index of all governors can reach or exceed the technical requirements of international standard GB/T9652-1997 about large governors.

3.1 动、静态指标性能保证

(1)静态特性曲线近似为一直线,最大非线性度<3%。

(2)调速器转速死区 ix<0.02%。

(3)空载工况自动运行,转速摆动相对值≤±0.14%。

(4)机组甩25%负荷,接力器不动时间≤0.18S。

3.1 Dynamic and static state index performance guarantee

(1) Static characteristic curve is approximate to a straight line, the maximum nonlinearity angle <3%.

(2) Governor rotating speed dead zone ix<0.02%.

(3) No-load condition to be automatic operation, rotating speed swing relative value ≤±0.14%.

(4) Unit throws off 25% load, relay fixed time ≤0.18S.

(5)机组甩100%额定负荷后,从接力器第一次向开启方向移动起,到机组转速摆动相对值不超过±0.5%为止,历时不大于30s;在转速变化过程中,超过稳态转速3%额定转速值以上的波峰不超过两次。

(6)大型和中小型调速器综合漂移量折算为转速相对值,分别不超过0.3%和0.6%。

(5) After the unit throws off 100% rated load, from the first time the servomotor moves towards the opening direction, to the moment the unit rotating speed swing relative value does not exceed ±0.5, does not exceed 30 seconds; during the

rotating speed changing process, the wave crest of exceeding state speed 3% rated speed is no more than two times.