上花园变电站主接线图
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TMY-100X8ZN21-10/1250配CD10ⅢLZZBJ-101000/5 0.5/10P 2×(ZR-YJV 22-6/3×240)RN2-6/0.5ASFWG8000-6/4950Ue=6.3kV Ie=916.45A COSφ=0.8LZX-10Q 800/5 0.5/10PJ Y N 2-10-03(改)1G励磁变(厂家配套)励磁互感器(厂家配套)JDJ-6 36 0.1√3√J Y N 2-10-17J Y N 2-10-18RN2-6/0.5A36 0.1 0.1JDZJ-63√√3J Y N 2-10-20√ 6 0.1 0.1√333JDZJ-6RN2-6/0.5AHY5WZ-10/302G同左ZN21-10/2500配CD10ⅢLFZJ-102000/5 0.5/0.5/10/10PJ Y N 2-10-03SF9-20000/110Y,d11121±3×2.5%/6.3kV U k %=10.5%LGJ-120GW4-110DW/630左接地LW25-1261250A,40kA GW4-110DW/630双接地LCWB 6-110100/50.2/0.5/10P/10PTYD-110/ -0.07H 3√LRD-60-B 50/5GW4-110DW/630双接地JDCF-110Y5W1-100/260√110 0.1 0.13√√33GW 13-60G/400Y1W-73/15ZN21-10/630配CD10ⅢLZZBJ-10100/5 0.5/10PJ Y N 2-10-03ZR-YJV 22-6/3×50SC9-800/6.3D,yn116.3±5%/0.4kV Ud%=7LMZ1-0.5 1200/5LMZ1-0.5 1200/5SC9-800/10D,yn1110±5%/0.4kV Ud%=7ZR-YJV 22-10/3×50LZZBJ-10100/5 0.5/10PZN21-10/630配CD10ⅢJ Y N 2-10-06(改)ZR-YJV 22-10/3×5010kV外来电源J Y N 2-10-19JDZJ-10HY5WZ-17/51RN2-10/0.5A10/0.1kV0.4kVLMY100×8-40×8DW15-1200DW15-1200DW15-12000.1LMY100×8-40×8G~G~TMY-100X8GW4-110DW/630左接地图5-19 某水电站电气主接线全图图5-20 地区变电所接线8回35kV220kV4 回2×120MVA至无功补偿装置6 回2×60MVA4回2×10MVA1T图5-21 终端变电所接线4回10kV2T110kV 35kVVV22-13×50+1×251#厂变进线V42L6-A,0~150A DT864-2,380/220V,3(6A)42L6-V,0~450V说明:BT95O9为事故照明切换板,其直流电源用VV22-1-2×4电缆引至直流屏。
各种变电站电气主接线图?TYD-110/ -0.07H3GW4-110DW/630左接地GW4-110DW/630双接地6-110LCWB100/5 0.2/0.5/10P/10PLW25-1261250A~40kAGW4-110DW/630左接地LGJ-120LRD-60-B 50/5GW4-110DW/630SF9-20000/110GW13-60G/400双接地Y,d11121?3×2.5%/6.3kVUk%=10.5%JDCF-110Y1W-73/15110 0.1 0.1 0.1???333 TMY-100X8Y5W1-100/260LFZJ-102000/5 0.5/0.5/10kV外来电源10/10PZN21-10/2500JYN2-10-03配CD10?TMY-100X8ZR-YJV22-10/3×50ZN21-10/630ZN21-10/1250ZN21-10/630RN2-6/0.5ARN2-10/0.5A配CD10?配CD10?配CD10?HY5WZ-10/30HY5WZ-17/51LZZBJ-10LZZBJ-10LZZBJ-10JDZJ-6JDZJ-10JYN2-10-20JYN2-10-19100/5 1000/5 100/5 JYN2-10-03 6 0.10.110/0.1kVJYN2-10-06(改)30.5/10P0.5/10P0.5/10P??33励磁互感器JYN2-10-03,改,,厂家配套,ZR-YJV22-6/3×50ZR-YJV22-10/3×50同RN2-6/0.5ASC9-800/6.3SC9-800/10D,yn11D,yn116 0.1 RN2-6/0.5AJDJ-6 ??JYN2-10-17336.3?5%/0.4kV10?5%/0.4kV左Ud%=7Ud%=7励磁变,厂家配套,JDZJ-6LMZ1-0.5 1200/5LMZ1-0.5 1200/5 6 0.1 0.12×(ZR-YJV223??33-6/3×240)LMY100×8-40×8LMY100×8-40×8GSFWG8000-6/4950G2G1GUe=6.3kVDW15-1200~~DW15-1200DW15-1200Ie=916.45A0.4kVCOSφ=0.8LZX-10Q800/5 0.5/10P 图5-19 某水电站电气主接线全图JYN2-10-184 回6 回220kV2×120MVA2×60MVA至无功补偿装置35kV8回图5-20 地区变电所接线110kV35kV1T2T2×10MVA10kV4回4回图5-21 终端变电所接线GGGGGG~~~~~~(a)(b)GGGGG~~~~~(c)(d)图6-1 设两台厂变的厂用电源引接方式?段?段cdabBDACefijghklmn图6-2 厂用负荷供电回路图6-3见“主接线厂用电实例”图6.3KV10kVRN1-6/10APRWG1-10/100SC-80/66.3?5##1厂变2厂变S9-80/35%/0.4KV10.5?2×2.5Y,yn0%/0.4KVKYN-28-10-78Uk%=4.0Y,yn0Uk%=4.0VV22-3×50+1×25VV22-3×50+1×25 DT864-2,380/220V,3(6A)DT864-2,380/220V,3(6A)42L6-A,0,150A42L6-A,0,150A42L6-V,0,450V42L6-V,0,450V42L6-A,0,100A42L6-A,0,100A42L6-A,0,150A42L6-A,0,100A42L6-A,0,100AkwhkwhAAAAAAAAAAAAAAAAAAAAAVVAI段380/220VBCLMY-40×4BT9509至直流屏GGD1-361-101-36GGDGGD配电屏型号1-36(改)GGD1-36(改)GGD配电屏编号 1 2 3 4 5集水井水安装场主厂房照明 1#机 2#机厂内油处理前池副厂房照事故照明整流器一整流器二馈线名称吊车母线分段备用备用1#厂变进线2#厂变进线备用生活区备用备用气系统备用泵动力箱动力箱分电箱室分电箱明分电箱分电箱动力盘动力盘动力箱回路电流,A, 25 23.6 34 11 281331.75725115115 1110.82710 28HD13BX-HD13BX-刀开关HD13BX-200/31HD13BX-200/31HD13BX-200/31HD13BX-200/31HD13BX-200/31200/31200/31DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-DW15-DW15-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-断路器DW15-200/120A100/32A100/32A100/20A100/20A100/20A100/40A100/32A100/20A100/63A1 00/20A100/32A200/120A200/120A100/20A100/20A100/32A100/20A100/20A100/32A1 00/20A100/32A100/32ALMZ1-0.66,LMZ1-0.66,电流互感器LMZ1-0.66,100/5LMZ1-0.66,100/5LMZ1-0.66,100/5LMZ1-0.66,100/5LMZ1-0.66,100/5150/5150/5VV22-1VV22-1VV22-1VV22-1VV22-1VV22-1VV22-1VV22-1VV22-1VV22-1VV22-1VV22-1VV22-1 VV22-1VV22-1引出电缆型号截面VV22-1-4×63×25+1×103×4+1×2.5-2×43×6+1×43×6+1×43×50+1×253×6+1×43×4+1×2.53×6+1×43×44×63×6+1×43×50+1×253×10+1×63×4+1×2.5 G25 穿管管径 G25 G25 G25 G25 G25 G15 G32 G32 G25 G25 G25 G25 G32说明: BT95O9为事故照明切换板~其直流电源用VV22-1-2×4电缆引至直流屏。
第五章图形L1 L2 L3 L4QS LQFQS BWBL1 L2Ⅰ段电源Ⅰ 电源Ⅱ电源Ⅰ图5-1 不分段的单母线接线第5、6 章图形WB电源Ⅱ图5-2 单母线分段接线L4QS LQFQS B Ⅱ段WBa1QSa1QF QFaWBQSa 1WBaQSa 2WBⅠ段 WB Ⅱ段电源Ⅰ 电源Ⅱ 图5-3 单母线带旁路母线接线QFd电源Ⅰ 电源Ⅱ图5-4 单母线分段带旁路母线接线图5-5 分段断路器兼作旁路断路器接线 图5-6 旁路断路器兼作分段断路器接线L1 L2QS 1 QS 2QSa 1WBaQSa 2QS 41QFQFa2QFL2L1 QS 5QS 3Ⅱ段Ⅰ段QS 1WBWBQS 2 电源Ⅰ电源Ⅱ电源Ⅰ 电源ⅡL1L2L3Ⅱ段 Ⅰ段 1QF QFjQS j Ⅱ QS j Ⅰ2QF电源Ⅰ 电源Ⅱ 图5-7 双母线接线L2WBL3L4L1 L2 L3WBⅡ段 Ⅰ段 QS 1QS Ⅱ1QS Ⅰ1QF QF电源Ⅰ 2QF电源Ⅱ图5-8 用母联断路器代替出线断路器时电流的路径L1QFj1 图5-9 双母线分段接线L1 L2 L3WBaQFaL1L2Ⅱ段Ⅰ段WBL3电源Ⅰ电源Ⅱ(a)图5-10 双母线带旁路接线(a)标准接线电源Ⅱ(b)图5-10 双母线带旁路接线b)母联断路器兼作旁路断路器接线(一)(c)图 5-10 双母线带旁路接线(c) 母联断路器兼作旁路断路器(二)L1 L2 L3WBa QSa QFjQS j ⅡS j ⅠⅡ段 Ⅰ段WBL1 L2 L2电源Ⅰ电源Ⅱ电源Ⅰ电源Ⅱ图5-11 一台半断路器接线L1 L2L1 L2 1QF 2QFQS13QFQS21QF3QF2QF1T2T1T2T(a)(b)图5-12 桥形接线(a) 内桥接线;(b) 外桥接线(a) 发电机-变压器单元 (b)发电机-三绕组变压器单元 (c)发电机-自耦变压器单元G(a)(b)图5-13 单元接线图5-14 扩大单元接线WLG G(a)(a) (b)图5-16 多角形接线图5-15 发电机-变压器-线路单元接线(a) 四角形接线 (b) 三角形接线(b)图5-17 例5-1 方案接线图( a )方案5-1-1 接线,( b )方案5-1-2 接线4MVA 2MVA6.3KV近区负荷 10KVG1G3×3.2MW(b)近区负荷6.3KVG(a)图5-18 例5-2 方案接线图a)方案5-2-1 接线,( b)方案5-2-2 接线,( c)方案5-2-3 接线注:图5-19 见:“主接线厂用电实例”图(b)(c)TMY-100X8ZN21-10/1250配CD10Ⅲ-30 -01LZZBJ-10 1000/50.5/10P励磁互感器(厂家配套)RN2-6/0.5A2NDJ-6√3励磁变(厂家配套)2×(ZR-YJV 22-6/3 ×240) SFWG8000-6/4950Ue=6.3kVIe=916.45ACOSφ=0.8LZX-10Q800/5 0.5/10P TYD-110/ √ -30.07HGW4-110DW/630 左接地GW4-110DW/630 双接地LCWB6-110100/50.2/0.5/10P/10PLW25-1261250A,40kAGW4-110DW/630左接地LGJ-120SF9-20000/110Y,d11121±3×2.5 %/6.3kVU k%=10.5%LFZJ-10000/5.5/0.5/0/10PZN21-10/2500配CD10ⅢTMY-100X8GW4-110DW/630双接地JDCF-110110 0.1 0.1 √3√3√30.1Y5W1-100/26030J2YN图5-19 某水电站电气主接线全图ZN21-10/630配CD10ⅢLZZBJ-10100/50.5/10PZR-YJV22-6/3 ×50SC9-800/6.3D,yn116.3 ±5%/0.4kVUd%=7LMZ1-0.5 1200/5LMY10×0 8-40×8DW15-1200ZN21-10/630配CD10ⅢLZZBJ-10100/50.5/10PZR-YJV22-10/3 ×5010kV外来电源LMZ1-0.5 1200/5LMY100×8-40×8ZR-YJV22-10/3 ×50SC9-800/10D,yn1110±5%/0.4kVUd%=70.4kVDW15-12004 回图5-20 地区变电所接线第六章图形b)a)图6-1 设两台厂变的厂用电源引接方式图6-2 厂用负荷供电回路图6-3 见“主接线厂用电实例”图6.3KVRN1-6/10ASC-80/66.3±51#厂变1厂变%/0.4KVY,yn0Uk%=4.0V22-3×50+1×25PRWG1-10/100S9-80/3510.5±2×2.5%/0.4KVY,yn0Uk%=4.010kVVV22-3×50+1×25AA A AAAV kwhLMY-40×4DT864-2,380/220V,3(6A42L6-A,0 ~150A42L6-A,0 ~150A 42L6-V,0 ~450VA I 段380/220VB C42L6-A,0 ~100AAAA42L6-A,0 ~100AA A A42L6-A,0 ~100AAAA(6A)42L6-A,0 ~150A42L6-V,0 ~450VAAAV kwh42L6-A,0 ~100AAAA配电屏型号GGD1 -36GGD1-36(改)GGD1-10GGD1-36(改)GGD1-36配电屏编号12345馈线名称集泵水井水动力箱吊车整流器一安动装场力箱备用事分故照明电箱主厂房照明分电箱生活区备用1#机动力盘1#厂变进线母线分段2#厂变进线2# 机动力盘备用备用整流器二厂内油处理室分电箱前池动力箱气系统备用副厂房照明分电箱备用回路电流(A)23.63411281331.75725115115251110.8271028刀开关HD13BX-200/31HD13BX-200/31HD13BX-200/31HD13BX-200/31HD13BX-200/31HD13BX-200/31HD13BX-200/31断路器1D Z20J- D Z20J-D Z20J-DZ20J- D Z20J-DZ20J-DZ20J- D Z20J-DZ20J-DZ20J-DW15-DW15-200/120A DW15-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-DZ20J-00/32A 100/40A00/20A 100/32A 100/20A 100/20A100/32A 100/63A100/20A100/32A200/120A200/120A100/32A100/32A100/20A100/20A100/20A100/32A100/20A100/20A100/32A100/20A电流互感器LMZ1-0.66,100/5LMZ1-0.66,100/5LMZ1-0.66,150/5LMZ1-0.66,100/5LMZ1-0.66,150/5LMZ1-0.66,100/5LMZ1-0.66,100/5引出电缆型号截面3V×6+1×43×10+1×6VV3×22-14+1×2.53×6+1×4V-2×4V22-1-4×6 V3×25+1×103×6+1×4VV22-13×50+1×253×50+1×253×6+1×43×4+1×2.53×4+1×2.5 3×6+1×43×44×6穿管管径G25G25G25G25G15G32G32G25G25G25G25G25G25G32说明:BT95O9 为事故照明切换板,其直流电源用VV22-1-2 ×4电缆引至直流屏。
变电站一次系统图1、单母线接线特点:只有一组母线,所有电源回路和出线回路,均经过必要的开关电器连接到该母线上并列运行。
主要优点:接线简单、清晰,所用电气设备少,操作方便,配电装置造价便宜。
主要缺点:适应性差,母线故障或检修,全部回路均需停电;任一回路断路器检修,该回路停电。
适用范围:单电源的发电厂和变电所,且出线回路数少,用户对供电可靠性要求不高的场合;10kV纯无功补偿设备出线(电容器、电抗器)。
2、单母线分段接线特点:与单母线接线方法相比,增加了分段断路器,将母线适当分段。
当对可靠性要求不高时,也可利用分段隔离开关进行分段。
母线分段的数目,决定于电源的数目,容量、出线回数,运行要求等。
母线分段一般分为2-3段。
优点:母线发生故障时,仅故障母线段停电,缩小停电范围;对重要用户由两侧共同供电,提高供电可靠性;缺点:当一段母线故障或检修时,与该段所连的所有电源和出线均需断开,单回供电用户要停电;任一出线断路器检修,该回路要停电。
适用:6~10kV,出线6回以上;35~66kV,出线不超过8回时;110~220kV,出线不超过4回时。
3、单母线分段带旁路母线接线优点:增设旁路母线,增设各出线回路中相应的旁路隔离开关,解决出线断路器检修时的停电问题。
为了节省投资,可不专设旁路断路器,而用母线分段断路器兼作旁路断路器。
因为电压越高,断路器检修所需的时间越长,停电损失越大,因此旁路母线多用于35kV以上接线。
适用:6~10kV接线一般不设旁路母线;35~66kV,可设不专设旁路断路器的旁路母线;110kV出线6回以上,220 kV出线4回以上,宜用专设旁路断路器的旁路母线;出线断路器使用可靠性较高的SF6断路器时,可不设旁路母线。
4、双母线接线优点:两条母线互为备用,一条母线检修时,另一条母线可以继续工作,不会中断对用户的供电;任一母线侧隔离开关检修时,只需断开这一回路即可;工作母线故障时,所有回路能迅速切换至备用母线而恢复供电;可将个别回路单独接在备用母线上进行特殊工作或试验;因而可靠性高,运行方式灵活,便于扩建。
2×8MW(a)2×10MVA1G G1TG2G2T110KV 35KV2×8MW(b)20MVAG1G 2GG110KV2T2G(c)2×8MW2×10MVAG1G 1T G35KV图5-18 例5-2方案接线图(a )方案5-2-1接线,(b)方案5-2-2接线,(c)方案5-2-3接线注:图5-19见:“主接线厂用电实例”图TMY-100X8ZN21-10/1250配CD10ⅢLZZBJ-101000/5 0.5/10P 2×(ZR-YJV 22-6/3×240)RN2-6/0.5ASFWG8000-6/4950Ue=6.3kV Ie=916.45A COSφ=0.8LZX-10Q800/5 0.5/10PJ Y N 2-10-03(改)1G励磁变(厂家配套)励磁互感器(厂家配套)JDJ-6 36 0.1√3√J Y N 2-10-17J Y N 2-10-18RN2-6/0.5A 36 0.1 0.1JDZJ-63√√3J Y N 2-10-20√ 6 0.1 0.1√333JDZJ-6RN2-6/0.5AHY5WZ-10/302G同左ZN21-10/2500配CD10ⅢLFZJ-102000/5 0.5/0.5/10/10PJ Y N 2-10-03SF9-20000/110Y,d11121±3×2.5%/6.3kV U k %=10.5%LGJ-120GW4-110DW/630左接地LW25-1261250A,40kA GW4-110DW/630双接地LCWB 6-110100/50.2/0.5/10P/10PTYD-110/ -0.07H 3√LRD-60-B 50/5GW4-110DW/630双接地JDCF-110Y5W1-100/260√110 0.1 0.13√√33GW 13-60G/400Y1W-73/15ZN21-10/630配CD10ⅢLZZBJ-10100/5 0.5/10PJ Y N 2-10-03ZR-YJV 22-6/3×50SC9-800/6.3D,yn116.3±5%/0.4kV Ud%=7LMZ1-0.5 1200/5LMZ1-0.5 1200/5SC9-800/10D,yn1110±5%/0.4kV Ud%=7ZR-YJV 22-10/3×50LZZBJ-10100/5 0.5/10PZN21-10/630配CD10ⅢJ Y N 2-10-06(改)ZR-YJV 22-10/3×5010kV外来电源J Y N 2-10-19JDZJ-10HY5WZ-17/51RN2-10/0.5A10/0.1kV0.4kVLMY100×8-40×8DW15-1200DW15-1200DW15-12000.1LMY100×8-40×8G~G~TMY-100X8GW4-110DW/630左接地图5-19 某水电站电气主接线全图图5-20 地区变电所接线8回35kV220kV4 回2×120MVA至无功补偿装置6 回2×60MVA4回2×10MVA1T图5-21 终端变电所接线4回10kV2T110kV 35kVVV22-13×50+1×251#厂变进线V 42L6-A,0~150A DT864-2,380/220V,3(6A)42L6-V,0~450V说明:BT95O9为事故照明切换板,其直流电源用VV22-1-2×4电缆引至直流屏。