非对称PWM全桥变换器的闭环控制

2015 International Conference on Circuits, Power and Computing Technologies [ICCPCT-2015] Pub Date : 2015-03-19 DOI:10.1109/ICCPCT.2015.7159424

S. Athira, Aswathy Rajan

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引用次数: 0

摘要

本文介绍了一种采用非对称脉宽调制实现高升压增益的全桥变换器。通过有源开关的零电压开关和输出二极管的零电流开关，实现了变换器的软开关。在导通时实现有源开关的零电压开关，在关断时实现输出二极管的零电流开关。该变换器能够通过使用相对较小的变压器匝数比实现高升压增益。利用MATLAB SIMULINK给出了各种仿真结果，以了解该电路的有效性。

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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Closed loop control of full bridge converter with asymmetric PWM

This paper introduces a full bridge converter with high step-up voltage gain, which is achieved by using asymmetric pulse width modulation. The soft switching is obtained for the converter with zero-voltage switching across the active switches and the zero-current switching across the output diodes. The zero-voltage switching of the active switches are obtained during turn-on and the zero-current switching of the output diodes are obtained during turn-off. The converter is able to achieve high step-up voltage gain by using relatively less transformer turns ratio. Various simulation results using MATLAB SIMULINK is provided to understand the effectiveness of the circuit.

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2015 International Conference on Circuits, Power and Computing Technologies [ICCPCT-2015]

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