摘要
输出滤波器是DC/DC变换器中的重要组成部分,与变换器的动态性能、整机体积和成本等性能指标密切相关。在满足技术指标的前提下,滤波元件的取值越小,对变换器整机性能的提高越有利,越能提高变换器的功率密度。在考虑开关频率和软开关技术等因素的情况下,对不同DC/DC变换器拓扑中的LC输出滤波器进行了比较。结果表明,从输出滤波器角度出发,某些变换器拓扑具有明显的优势。
The output filters play a very important role in the DC/DC converters. The performance such as dynamics response , size , and cost are very related to the components of the filter. The small values for the filter components improve the performance of the converters and increase the power density, whereas the minimum values should be provided to guarantee the filtering objective. A comparison of the typical LC configuration as the output filter for the several DC/DC converters , taking into account switching frequency issues and soft switching techniques, is described. The results show that some converters have great advantages from the point of view of the output filler.
出处
《电源技术应用》
2002年第7期12-17,共6页
Power Supply Technologles and Applications
