张瑶,程志江,陈星志

• 1:新疆大学电气工程学院

摘要(Abstract)：

针对隔离式双有源桥DC/DC变换器采用单移相控制时会产生较大的电感电流有效值,导致电路损耗增加,功率转换效率降低.文章提出了三移相优化控制策略,该控制策略是基于广义三移相控制三种有效工作模式的功率和电感电流有效值,根据优化方程分别计算得到高中低功率范围内的最优控制结果,分析出在高功率范围内单移相控制是电感电流有效值最小的最优控制,而中低功率范围内三移相优化控制是电感电流有效值最小最优控制.最后通过在MATLAB上建立仿真模型,通过仿真结果验证了在中低功率范围内此三移相优化控制相比较于单移相控制减小了电感电流有效值,从而提高双有源桥DC/DC变换器的转换效率.

关键词(KeyWords)： DC/DC变换器;单移相控制;功率范围;三移相优化控制

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51567022,51667020)

作者(Author): 张瑶,程志江,陈星志

DOI: 10.13568/j.cnki.651094.2019.03.013

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