超清版 GB/T 20835-2024 发电机定子铁心磁化试验导则

ICS 29.160.20
CCS K 20
GB/T 20835—2024
发电机定子铁心磁化试验导则
Guide for magnetization test of generator stator core
2024⁃08⁃23 发布2025⁃03⁃01 实施
国家市场监督管理总局
国家标准化管理委员会发布
代替 GB/T 20835—2016

目　　次
前言··························································································································Ⅲ
1　范围·······················································································································1
2　规范性引用文件········································································································1
3　术语和定义··············································································································1
4　符号·······················································································································2
5　前期计算·················································································································3
5.1　定子铁心轭部截面面积·························································································3
5.2　定子铁心轭部质量·······························································································3
5.3　励磁线圈匝数与励磁电流······················································································3
5.4　试验电源容量·····································································································4
5.5　测试线圈电压·····································································································4
6　试验要求·················································································································4
6.1　试验现场···········································································································4
6.2　试验电源···········································································································4
6.3　测量仪器和仪表··································································································4
6.4　励磁线圈···········································································································5
6.5　测试线圈···········································································································5
7　试验方法·················································································································5
7.1　试验前检查········································································································5
7.2　试验接线···········································································································5
7.3　初始温度测量·····································································································6
7.4　试验时监测········································································································6
7.5　磁通密度的测量··············································································