Home / Standards / GB/T 311.11-2025 GB/T 311.11-2025 Active Insulation co-ordination一Part 11: Definitions, principles and rules for HVDC system 绝缘配合 第11部分:高压直流系统绝缘配合的定义、原则和规则 Standard Type GBT ICS 29.080 CCS K 40 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A