一种新型零电压开关降压升压型DC-DC变换器

Q4 Engineering

Majlesi Journal of Electrical Engineering Pub Date : 2010-03-30 DOI:10.1234/MJEE.V4I1.149

M. Delshad

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引用次数: 1

摘要

本文提出了一种新型的零电压开关隔离式有源箝位电路buck-boost DC-DC变换器。该变换器中的有源箝位电路不仅吸收主开关上的电压尖峰，而且还为所有开关提供软开关条件。所有开关均采用PWM控制，简化了控制实现。该变换器的一个主要优点是它可以在高功率水平下工作，而在变换器的降压和升压模式下都存在软开关条件。由于该变换器可以在较宽的输入电压范围内工作，因此可以用于功率因数校正。给出了在100KHz下工作的150W原型电路的实验结果，以验证所提电路的完整性。

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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A New Zero Voltage Switching Buck-Boost Type DC-DC Converter

In this paper, a new zero voltage switching isolated buck-boost DC-DC converter with active clamp circuit is proposed. The active clamp circuit in this converter not only absorbs voltage spikes across the main switch but also provides soft switching conditions for all switches. All switches are PWM controlled which simplifies the control implementation. One of the main advantages of this converter is the that it operating can operate at high power levels while soft switching conditions exist in both buck and boost modes of converter operation. Since this converter can operate over a wide input voltage range, it can be employed in power factor correction. The experimental results obtained from a 150W prototype circuit operating at 100KHz are presented to confirm the integrity of the proposed circuit.

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来源期刊

Majlesi Journal of Electrical Engineering Engineering-Electrical and Electronic Engineering

CiteScore

1.20

自引率

0.00%

发文量

期刊介绍： The scope of Majlesi Journal of Electrcial Engineering (MJEE) is ranging from mathematical foundation to practical engineering design in all areas of electrical engineering. The editorial board is international and original unpublished papers are welcome from throughout the world. The journal is devoted primarily to research papers, but very high quality survey and tutorial papers are also published. There is no publication charge for the authors.