PWM AC-DC-AC变换器直流链路电流中的开关谐波

IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting Pub Date : 1995-10-08 DOI:10.1109/IAS.1995.530640

H. Zhang, N. Wheeler, D. Grant

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引用次数: 23

摘要

介绍了一种确定PWM逆变器直流电流的新方法。推导的方程易于应用，并对直流链路电流波形产生相当大的分析洞察力。该方法可以计算背靠背功率转换器直流链路电容的有效值电流，从而可以正确指定电容。仿真和实验结果验证了分析的正确性。

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Switching harmonics in the DC link current in a PWM AC-DC-AC converter

A novel method for determining the DC link current drawn by a PWM inverter is described. The equations derived are simple to apply and yield considerable analytical insight into the DC link current waveform. The method enables the RMS current flowing in the DC link capacitor in a back-to-back power converter to be calculated, allowing the capacitor to be specified correctly. Simulated and experimental results verify the analysis.

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来源期刊

IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting

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