前 言 .............................................................................................................................................................. II
引 言 .............................................................................................................................................................. III
1 范围 .............................................................................................................................................................. 1
2 规范性引用文件 .......................................................................................................................................... 1
3 术语、定义和符号 ...................................................................................................................................... 1
3.1 术语和定义 ........................................................................................................................................... 1
3.2 符号 ....................................................................................................................................................... 2
4 总体要求 ...................................................................................................................................................... 3
5 计算模型 ...................................................................................................................................................... 3
5.1 一般要求 ................................................................................................................................................. 3
5.2 双馈型风电机组 ................................................................................................................................... 3
5.3 全功率变流型风电机组 ....................................................................................................................... 6
5.4 鼠笼型风电机组 ................................................................................................................................... 7
5.5 静止无功发生器 ................................................................................................................................... 8
5.6 风电场等值模型 ................................................................................................................................... 8
5.7 风电场接入系统 ................................................................................................................................... 9
6 计算方法 ...................................................................................................................................................... 9
6.1 一般要求 ............................................................................................................................................... 9
6.2 平衡短路 ............................................................................................................................................. 10
6.3 不平衡短路 ......................................................................................................................................... 10
附录 A (资料性) 算例 .............................................................................................................................. 13
A.1 风电场外部故障 ................................................................................................................................ 13
A.2 风电场内部故障 ................................................................................................................................ 19