Home / Standards / GB/T 311.4-2010 GB/T 311.4-2010 Active Insulation co-ordination - Part 4: Computational guide to insulation Co-ordination and modeling of electrical networks 绝缘配合 第4部分：电网绝缘配合及其模拟的计算导则 Standard Type GBT ICS 29.080.01 CCS K48 Status 现行 Issue Date 2010-11-10 Implementation 2011-05-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A