GB/T 21663—2019 代替 GB/T 21663—2008
小容量隐极同步发电机技术要求
Specific requirements for small capacity cylindrical rotor synchronous machines
2019-10-18 发布
2020-05-01 实施
目 次
前言...........................................1
1范围..........................................1
2规范性引用文件.....................................1
3术语和定义.......................................1
4总要求.........................................2
4.1总则........................................2
4.2规格、系列......................................2
4.3电机通风冷却型式.................................2
4.4使用条件......................................2
4.5电机各部分温升和温度限值.............................3
5技术要求.....................3
5.1额定工况..................3
5.2额定电压...................3
5.3功率因数..................3
5.4额定转速...................3
5.5运行期间电压和频率的变化.........3
5.6旋转方向和相序...............4
5.7定子绕组连接、输岀电压...........4
5.8励磁方式和对励磁系统的要求........4
5.9电机绝缘..................4
5.10 轴电流的防止................5
5.11超速试验..................5
5.12临界转速..................5
5.13 岀力图...................5
5.14不平衡负栽.................6
5.15 噪声.....................6
5.16定子过电流.................7
5.17转子过电流.................7
5.18突然短路..................7
5.19短路比...................7
5.20宜轴瞬态电抗(X'd)和宜軸超瞬态电抗(X?)    ......................7
5.21短路比、直轴瞬态电抗、宜轴超瞬态电抗的容差.....................7
5.22转子的机械起动次数.................................8
5.23对励稚机的要求....................................8
5.24短时升高电压试验...................................8
5.25振动限值.......................................8
5.26电压波形的不规则性全谐波畤变(THD) ...................... 8
GB/T 21663—2019
5.27定子绕组三相宜流电阻允许偏差...........................8
5.28冷却器......................................9
5.29軸承岀油温度和軸瓦温度的限值...........................9
5.30发电机各部分检温.................................9
5.31并网.......................................9
5.32异步运行....................................10
5.33失磁运行....................................10
5.34试验检査项目和验收规则 ............................10
5.35铭牌、出品编号.................................11
5.36装箱、运输、保管及保养 ............................12
5.37成套供货范围..................................12
5.38备品和各件...................................12
5.39随机安装图样及技术文件.............................12
5.40电机设计的基本要求信息.............................12
5.41保证期.....................................12
5.42 可靠性....................................13
附录A （规范性附录）同步发电机耐电压试验限值和温升限值.................14
附录B （资料性附录）成套供货范围............................15
附录C （资料性附录）备品和各件.............................16
附录D （资料性附录）随机安装图样及技术文件.......................17
附录E （资料性附录）订货时需方、原动机和电机供方等需要提供的基本要求信息 .......18