Home / Standards / GB/T 40532-2021 GB/T 40532-2021 Active Guide on technology for power system substation-area circuit breaker failure(dead-zone) protection 电力系统站域失灵(死区)保护技术导则 Standard Type GBT ICS 29.240 CCS F21 Status 现行 Issue Date 2021-10-11 Implementation 2022-05-01 Responsible Dept 中国电力企业联合会 Drafting Unit N/A