一个ZCZVS PWM三电平全桥麦克默里逆变器和一个辅助电源

IECON'03. 29th Annual Conference of the IEEE Industrial Electronics Society (IEEE Cat. No.03CH37468) Pub Date : 2003-11-02 DOI:10.1109/IECON.2003.1280087

C. Gallo, F. L. Tofoli, A. S. Morais, A.E. Demian, L. C. Freitas, V. J. Farias, E. Coelho, J. Vieira

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引用次数: 1

摘要

本文提出了一种PWM逆变器，它允许主开关在零电压和零电流下接通和关闭，并控制di/dt和dv/dt速率。主二极管的反向恢复损耗最小，辅助开关在ZCS模式下接通和关闭。主开关在零电流下导通可以显著减少与电路布局相关的寄生电感的不良影响。换流损耗实际上降低到零，以及电磁干扰水平。分析了ZCZVS PWM全桥McMurray在控制系统使用辅助电源的情况下的工作原理，并在此基础上提出了辅助换相单元的设计指导原则。实验结果验证了该逆变器的可行性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Association of a ZCZVS PWM three-level full-bridge McMurray inverter and an auxiliary power supply

This paper proposes a PWM inverter that allows the main switches to be turned on and off at zero voltage and zero current with controlled di/dt and dv/dt rates. The reverse recovery losses of the main diodes are minimized, and the auxiliary switches are turned on and off in a ZCS mode. The main switches turning-on at zero current can reduce significantly the undesirable effects of the parasitic inductances related to the circuit layout. The commutation losses are practically reduced to zero, as well as the EMI levels. The operation of the ZCZVS PWM Full-Bridge McMurray, using an auxiliary power supply to the control system, is analyzed, and design guidelines for the auxiliary commutation cell are recommended based on this study. Experimental results are presented to demonstrate the feasibility of the proposed 2 kW inverter.

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来源期刊

IECON'03. 29th Annual Conference of the IEEE Industrial Electronics Society (IEEE Cat. No.03CH37468)

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