Home / Standards / GB/T 311.12-2025 GB/T 311.12-2025 Active Insulation co-ordination—Part 12:Application guidelines for LCC HVDC converter stations 绝缘配合 第12部分:高压直流换流站(LCC)绝缘配合应用导则 Standard Type GBT ICS 29.080 CCS K 40 Status 现行 Issue Date 2025-10-05 Implementation 2026-05-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A