GB/T 37880-2019
就地化环网母线保护技术导则
Technical guide for on-site ring network busbar protection
2019-08-30 发布
2020-03-01 实施
目 次
前言..........................................1
1范围.........................................1
2规范性引用文件....................................1
3术语和定义......................................1
4总则.........................................2
5技术要求.......................................3
5.1环境条件....................................3
5.2额定电气参数..................................4
5.3准确度和变差..................................4
5.4开关量输入和输岀................................4
5.5功能要求....................................4
5-6接口要求....................................6
5.7环网通信.........................................6
5.8过载能力.........................................6
5.9功率消耗.........................................7
5.10机械要求........................................7
5.11绝缘要求........................................7
5.12电磁兼容性能......................................7
5.13安全要求........................................8
5.14连续通电........................................8
5.15耐湿热性能.......................................8
6保护功能.......................................8
6.1 一般要求...................................8
6.2母线差动保护..................................8
6.3断路器失灵保护.................................9
6.4充电过流保护..................................9
7试验方法.......................................9
7.1    试验条件....................................9
7.2温度影响试验...................................9
7.3结构和外观检査.................................10
7.4准确度和变差检査................................10
7.5装置功能及性能试验...............................10
7.6过载能力试验..................................10
7.7功率消耗试验..................................10
7.8宜流电源影响试验................................10
7.9绝缘性能试验..................................10
7.10耐湿热性能试验..................................10
7.11电磁兼容性能试验.................................10
7.12机械性能试验...................................10
7.13连续通电试验...................................11
7.14动态模拟试验...................................11
7.15通信接口试验...................................11
7.16    IP防护等级试验................................11
7.17盐雾试验.....................................11
7.18太阳光辐射试验..................................11
附SA （资料性附录）环网分布式母线保护子机配置方案....................12
附SB＜资料性附录）环网分布式母线保护环网拓扑结构示意图 .................14