ICS 29. 020 K 80 团 体 标 准 T/CERS 0007-2020 110 kV及以下变电站 并联型直流电源系统技术规范 Technical specification for parallel DC p ower supply system in substations with voltage of 110 kV or less than 110 kV 2020-09-18发布 2020 -09-18实施 中 国 能 源 研 究 会 发 布 全国团体标准信息平台 全国团体标准信息平台 T/CERS 0007—2020 1 目 次 前言 ................................................................................................................................................................. 2 引言 ................................................................................................................................................................. 3 1 范围 ............................................................................................................................................................. 4 2 规范性引用文件 ......................................................................................................................................... 4 3 术语和定义 ................................................................................................................................................. 4 4 符号、代号和缩略语 ................................................................................................................................. 5 5 系统设计 ..................................................................................................................................................... 5 5.1 并联型直流电源系统 ........................................................................................................................ 5 5.2 并联电源组件 .................................................................................................................................... 5 5.3 并联型电源变换模块 ........................................................................................................................ 6 5.4 过载续流电路 .................................................................................................................................... 6 5.5 接线方式及网络 ................................................................................................................................ 6 6 保护与监控 ................................................................................................................................................. 6 6.1 保护 .................................................................................................................................................... 6 6.2 测量、信号和监控 ............................................................................................................................ 7 7 设备选择 ..................................................................................................................................................... 8 7.1 并联电源组件 .................................................................................................................................... 8 7.2 蓄电池 ................................................................................................................................................ 9 7.3 并联型电源变换模块 ........................................................................................................................ 9 7.4 保护电器与隔离电器 ...................................................................................................................... 10 7.5 续流二极管与续流回路熔断器....................................................................................................... 10 7.6 电缆 .................................................................................................................................................. 10 8 设备布置 ................................................................................................................................................... 10 9 试验 ......................................................................................................................................................