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中文摘要：
相复励励磁系统是现代同步发电机的核心组成部分。该文根据端口等效原理和差、共模电路,得到斩波器的差、共模干扰源的计算方法,然后基于整流桥的连续导通模式给出其差、共模干扰源的计算公式,从而建立了三相同步发电机相复励励磁系统的干扰源模型。推导了三相变压器的差、共模模型,给出了电机绕组的高频模型,得到了干扰耦合通道的参数提取方法。在此基础上,提出了三相同步发电机相复励励磁系统的高频差模与共模模型,得到了系统总电磁干扰的计算方法。针对某型相复励三相同步发电机进行了实验,证明了理论分析方法的正确性。
英文摘要：
The phase compound excitation system is one of the core components of the modem synchronous generator. According to the port equivalent theorem and the chopper differential-mode （DM）/common-mode （CM） equivalent circuit, the paper presented the method to calculate the chopper DM/CM interference sources. Then, the computation formula of the rectifier DM/CM sources were given based on its consecutive conduction modes. Consequently, the system interference sources models were set up. The paper also deduced the DM/CM models of the 3-phase transformer, provided the high-frequency model of the generator winding, and obtained the extraction method of the interference coupling paths. On the basis of the above achievements, the high frequency DM/CM system-level models were put forward of the phase compound system in a synchronous generator. Then, the total EMI calculation method were obtained. Finally, the tests of a 3-phase synchronous generator adopting the phase compound Excitation system have been carried out, which validates the correctness of the theoretical analyses.
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A New Critical Formula and Mathematical Model of Double-Tap Interphase Reactor in a Six-Phase Tap-Ch
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