齐丛生,李德洪

• 1:中国直升机设计研究所

摘要(Abstract)：

为了抑制机载蓄电池充电器中主开关管开通电流上升率,降低开关损耗,控制系统EMI噪声,利用反激变压器设计一种无源低损开通缓冲电路。主开关管开通时,反激变压器原边绕组作为开通缓冲电感,降低电流上升率;关断过程中,变压器副边绕组耦合原边绕组,能量回馈给负载蓄电池组,实现变压器磁复位并提高系统效率。分析充电电路的工作原理,给出反激变压器的参数确定依据,设计RCD钳位电路吸收变压器漏感。试验结果和仿真分析表明,该缓冲电路方案用于直升机机载蓄电池充电,效果良好。

关键词(KeyWords)： 机载蓄电池;低损电路;反激变压器;开通缓冲电路;开关损耗;漏感

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 齐丛生,李德洪

DOI: 10.16652/j.issn.1004-373x.2018.11.026

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