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Fault-Tolerant Performance of Five-Phase Doubly Salient Electromagnetic Generator
Author(s): 
Pages: 30-34
Year: Issue:  4
Journal: Transactions of China Electrotechnical Society

Keyword:  电励磁双凸极发电机 五相 容错 单相桥;
Abstract: 针对新型的电励磁五相双凸极发电机的结构特点和工作原理,在二维磁场有限元非线性计算分析的基础上,对外接单相桥整流发电电路的发电机发生二极管短路故障时的容错特性进行了理论分析和仿真验证。分析表明:外接单相整流桥的电励磁五相双凸极发电机在发生二极管短路故障时空载运行情况与正常时基本相同,不会由于短路相的影响发生系统崩溃,这与其他发电方式有显著不同;负载运行时输出电压有所下降,但仍有较好的容错性能,可通过提高励磁电流维持正常时的输出功率。
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