Boost电路的损耗分析

Loss Analysis of Boost Circuit

为提高变换器的效率,利用现代计算机仿真技术详细分析了有源功率因数校正(APFC)装置中常用的几种Boost变换器的损耗来源,并对这几种变换器的损耗仿真结果进行了比较。结果表明,采用软开关技术的Boost变换器的损耗明显减少。与采用实验方法分析电路性能相比,计算机仿真分析具有重复性好、结果准确度高、可消除不确定因素的影响,并能够得出与实验分析一致的结果。

In order to improve the efficiency of converter,the loss of Boost converter used in APFC is analysed in detail by use of Simulation technology. The result of each simulation had been compared, and it shows that the loss of Boost converter adopting soft-switching technology obviously decreased. Comparing with the experiment analysis, simulation technology has the advantage of repeating, precise result and removing the unwanted affect.It also can get the same result as in the experiment.