Analysis of sudden unbalanced short circuits in synchronous machines by applying the principle of harmonic balance

机译：应用谐波平衡原理分析同步电机中的突然不平衡短路

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The fundamental idea of the principle of harmonic balance is introduced; the simplified flux-linkage and voltage equations of 3-phase synchronous machines were obtained by means of some necessary assumptions; then by applying the principle of harmonic balance, the sudden line-to-line unbalanced short circuit of 3-phase synchronous machines were analyzed concisely, the magnitudes of the odd and even harmonics of short-circuit currents and their time constants of decay were gained at the same time. The method can also be used in the analysis of unbalanced short circuits of 6-phase and other multiphase machines.

机译：介绍了谐波平衡原理的基本思想;通过一些必要的假设，简化了三相同步电机的磁链和电压方程。然后运用谐波平衡原理，对三相同步电机突然发生的线间不平衡短路进行了简要分析，得到了短路电流的奇次和偶次谐波的幅值及其衰减的时间常数。同时。该方法还可用于分析六相和其他多相电机的不平衡短路。

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《Electrical Machines and Systems, 2001. ICEMS 2001. Proceedings of the Fifth International Conference on》|2001年|P.396-399|共4页
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Ma Weiming; Sun Junzhong; Zhang Gaifan;
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中图分类无线电电子学、电信技术;
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Analysis of sudden unbalanced short circuits in synchronous machines by applying the principle of harmonic balance

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