GB/T 20995—2007
输配电系统的电力电子技术静止无功补偿装置用晶闸管阀的试验
Power electronics for electrical transmission and distribution systems—
Testing of thyristor valves for static VAR compensators
2007-06-21 发布
2008-02-01 实施
GB/T 20995—2007
目 次
前言..........................................皿
引言..........................................W
1范围.........................................1
2规范性引用文件....................................1
3术语和定义......................................1
4型式试验、出厂试验和选项试验的一般要求........................2
4.1 试验一览 ...................................2
4.2试验对象.....................................3
4.3型式试验和选项试验导则 .............................4
4.4 试验条件 ...................................4
4.5型式试验中允许故障的元件数量 ..........................6
4.6试验靖果的文档 .................................6
5 TCR和TSR阀的型式试验 ........................... 6
5.1阀端对地间的绝缘强度试验 ............................6
5.2阀间绝缘强度试验（仅适用于多重阀单元）......................7
5.3阀端间绝缘强度试验 ...............................8
5.4运行试验....................................10
6 TSC阀的型式试验................................12
6.1阀端对地绝缘强度试验..............................12
6.2阀间绝缘强度试验（仅适用于多重阀单元）.....................14
6.3阀端间绝缘强度试验...............................16
6.4运行试验....................................18
7电磁干扰（EMI）................................ 21
7.1试验目的....................................21
7.2试验步骤....................................21
8出厂试验......................................22
8.1外观检査....................................22
8.2连接检査....................................22
8.3均压/阻尼回路检査 ..............................22
8.4耐受电压检査..................................22
8.5辅助设备检验..................................22
8. 6触发检査...................................22
8.7冷却系统压力检査................................23
9 TCR和TSR阀的选项试验............................23
9.1过电流试验...................................23
9.2恢复期间瞬时正向电压试验............................24