ICS29.020 CCSK09DL 中华人民共和国电力行业标准 DL/T2950—2025 换流站滤波电容器故障在线诊断导则 Guidelinesforonlinediagnosisoffaultsinconverterstationfilter capacitors 2025-09-28发布 2026-03-28实施 国家能源局发布I目次 前言......................................................................................................................................................................II 1范围...................................................................................................................................................................1 2规范性引用文件...............................................................................................................................................1 3术语和定义.......................................................................................................................................................1 4诊断原则和要求...............................................................................................................................................3 5温度监测与诊断...............................................................................................................................................3 5.1监测对象....................................................................................................................................................3 5.2监测要求....................................................................................................................................................3 5.3诊断............................................................................................................................................................3 6图像和视频监控与诊断...................................................................................................................................4 6.1监测对象....................................................................................................................................................4 6.2监测要求....................................................................................................................................................4 6.3诊断............................................................................................................................................................4 7桥差不平衡电流监测与诊断...........................................................................................................................4 7.1监测对象....................................................................................................................................................4 7.2监测要求....................................................................................................................................................4 7.3诊断............................................................................................................................................................5 8桥臂运行电流监测与诊断...............................................................................................................................5 8.1监测对象....................................................................................................................................................5 8.2监测要求....................................................................................................................................................5 8.3诊断............................................................................................................................................................6 9电容器单元运行电流监测与诊断...................................................................................................................7 9.1监测对象....................................................................................................................................................7 9.2监测要求....................................................................................................................................................7 9.3诊断........................................................................................