Home / Standards / GB/T 20833.2-2025 GB/T 20833.2-2025 Active Rotating electrical machines—Winding insulation—Part 2: On-line partial discharge measurements on the stator winding insulation 旋转电机 绕组绝缘 第2部分:定子绕组绝缘在线局部放电测量 Standard Type GBT ICS 29.160.01 CCS K20 Status 现行 Issue Date 2025-08-01 Implementation 2026-02-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A