基于正激变换器的有源钳位技术

Active-clamp Technology Based on Forward Converter

随着电力电子技术的飞速发展,各类软开关技术应运而生,主要包括谐振变换技术、有源钳位技术以及移相控制技术等,降低了开关电源的开关损耗。该文主要通过对比传统的正激变换器,说明了有源钳位技术应用于正激变换器所带来的一系列优点,并介绍了有源钳位技术的基本工作原理以及影响其发展的一些关键技术。

With the developing of the electric power technology, all kinds of soft switching technology is invented, including the resonance converter technique, active-clamp technique and phase shift controlled technique and so on. This paper introduces advantage of forward converter with the active clamp compared with the traditional forward converter, and presents the operational theory of the active-clamp and the pivotal skills in it.