GB_T 47963-2026 同步发电机用交流励磁机技术要求

ICS 29.160.20 CCS K 21 中华人民共和国国家标准 GB/T 47963 —2026 同步发电机用交流励磁机技术要求 Technical requirements of AC exciter for synchronous generators 2026 ⁃07⁃30 发布 2027 ⁃02⁃01 实施 国家市场监督管理总局 发 布 国家标准化管理委员会 GB/T 47963—2026 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 型式·······················································································································2 4.1 分类················································································································· 2 4.2 额定电压和额定电流 ····························································································2 4.3 额定容量···········································································································2 4.4 额定转速与频率 ··································································································2 4.5 拖动型式···········································································································2 4.6 通风冷却型式·····································································································3 4.7 轴承型式···········································································································3 4.8 励磁型式···········································································································3 4.9 旋转方向···········································································································3 4.10 电枢绕组型式····································································································3 4.11 永磁副励磁机的技术要求 ·····················································································3 5 技术要求·················································································································3 5.1 使用条件···········································································································3 5.2 定额·················································································································4 5.3 电枢绕组各相直流电阻允许偏差 ·············································································4 5.4 电压波形的不规则性 全谐波畸变 （THD）································································4 5.5 交流励磁机绝缘 ··································································································4 5.6 临界转速···········································································································4 5.7 超速·················································································································4 5.8 起动次数···········································································································5 5.9 电枢绕组过电流 ··································································································5 5.10 结构设计要求····································································································5 5.11 对无刷交流励磁机元器件的要求 ············································································5 5.12 冷却器·············································································································5 5.13 噪声················································································································5 5.14 振动限值··········································································································6 5.15 测温元件布置····································································································7 5.16 温升限值··········································································································7 Ⅰ