Improvement of an input waveform of a Neutral Point Type Step-down Converter

Y. Kato, M. Nakamura, N. Hidayat, N. Takahashi
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引用次数: 1

Abstract

This paper presents one of the methods to improve a input current waveform of a neutral point type step-down converter circuit which we developed before. A neutral point type step-down converter circuit shares switching devices with half bridge inverter, and it is the circuit which can constitute an electronic ballast of a one converter method. A neutral point type step-down converter circuit has the problem that an input current does not flow through in the vicinity of zero cross point because It has some characteristic as step-down chopper circuit. This time, we solved this problem by adding an inductor to a circuit.
中性点型降压转换器输入波形的改进
本文提出了一种改进中性点型降压转换电路输入电流波形的方法。中性点型降压变换器电路与半桥逆变器共用开关器件,是构成单变换器电子镇流器的电路。中性点型降压变换器电路由于具有降压斩波电路的特性,存在输入电流在零交叉点附近不通过的问题。这一次,我们通过在电路中增加一个电感器来解决这个问题。
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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