采用谐振整流方式的PWM DC-DC变换器

[Proceedings] Thirteenth International Telecommunications Energy Conference - INTELEC 91 Pub Date : 1991-11-05 DOI:10.1109/INTLEC.1991.172414

S. Atoh, H. Yoshike, Y. Sekino

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引用次数: 11

摘要

该变换器是一种混合变换器，由脉冲宽度调制(PWM) DC-DC功率变换器和包括控制开关在内的一组电流模式谐振电路组成。功率转换采用PWM控制方案，零电流开关采用电流模式谐振技术。该变换器具有PWM易于控制的特点和谐振型变换器低开关损耗的特点。实验结果表明，输出功率为200v, 5kw的样机变换器效率高达95%，工作稳定，噪声低。

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PWM DC-DC converter with a resonant commutation means

The proposed converter is a hybrid converter consisting of a pulsewidth modulation (PWM) DC-DC power converter and a set of current mode resonant circuits including a control switch. The power conversion is achieved by a PWM control scheme, and zero current switching is realized by the assistance of a current mode resonant technique. This converter has the easy control characteristics of PWM and the low switching loss of resonant-type converters. The experimental results of a prototype converter with 200 V, 5 kW output show benefits such as a high efficiency of 95%, stable operation, and low noise characteristics.<>

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[Proceedings] Thirteenth International Telecommunications Energy Conference - INTELEC 91

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