超清版 GB/T 20834-2024 发电电动机技术要求

ICS 29.160
CCS K 20
中华人民共和国国家标准
GB/T 20834—2024
发电电动机技术要求
Technical requirements for motor-generator
代替 GB/T 20834—2014
2024-09-29 发布2025-04-01 实施
国家市场监督管理总局
国家标准化管理委员会发 布

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 现场运行条件 ························································································· 1
5 定额与参数 ··························································································· 2
5.1 容量与功率 ······················································································ 2
5.2 额定电压 ························································································· 2
5.3 额定功率因数 ···················································································· 2
5.4 额定转速 ························································································· 2
5.5 运行期间电压和频率的变化 ····································································· 2
5.6 效率和损耗 ······················································································ 3
5.7 电气参数和时间常数 ············································································· 4
5.8 总谐波畸变率（THD） ········································································· 4
6 温度 ·································································································· 4
6.1 温升 ······························································································ 4
6.2 定子温升的测量 ················································································· 5
6.3 非基准运行条件和定额时温升限值的修正 ······················································ 5
6.4 轴承温度 ························································································· 5
7 运行特性及电气连接 ················································································· 5
7.1 特殊运行要求 ···················································································· 5
7.2 电动工况起动方式 ··············································································· 5
7.3 电气连接 ························································································· 5
8 绝缘系统 ······························································································ 5
9 机械性能与设计 ······················································································ 6
9.1 旋转方向 ························································································· 6
9.2 最大设计转速 ··········································