单开关三相升压整流器的谐波降低技术

IAS '96. Conference Record of the 1996 IEEE Industry Applications Conference Thirty-First IAS Annual Meeting Pub Date : 1996-10-06 DOI:10.1109/IAS.1996.560234

J. Sun, N. Frohleke, H. Grotstollen

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引用次数: 35

摘要

提出了降低单开关三相升压整流器谐波畸变的技术。首先描述了使主开关的输入谐波电流畸变最小或使变换器的功率范围最大的脉宽调制方法。然后用谐波平衡法研究了电压控制回路对输入电流波形的影响。通过对电压控制器的合理设计，可以将闭环控制系统的输入电流谐波降低到与采用优化后的PWM控制时几乎相同的水平。仿真和实验结果验证了分析的正确性。

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Harmonic reduction techniques for single-switch three-phase boost rectifiers

Techniques for reducing harmonic distortion in single-switch three-phase boost rectifiers are presented. Optimal pulse-width modulation methods for the main switch to minimize input harmonic current distortion or to maximize the converter power range are described first. Effects of the voltage control loop on the input current waveform are then investigated by using the harmonic balance method. It is found that through proper design of the voltage controller, the input current harmonics in the closed-loop controlled system can be reduced to almost the same level as when the optimized PWM is applied. Simulation and experimental results are included to validate the analysis.

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来源期刊

IAS '96. Conference Record of the 1996 IEEE Industry Applications Conference Thirty-First IAS Annual Meeting

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