摘要
以隔离型对称半桥双向变换器为对象,建立了以原边为参考的4种模式下的简化电路,提出了结合开关函数的状态空间平均模型的建立方法。所建模型降低了状态方程的阶数,将复杂的分析过程简单化。简化模型稳态值和大信号直接分析法结果一致,证明了所建模型的正确性。
For isolated - type symmetry half- bridge bidirectional converter with phase - shifted control, a simphfied circuit under 4 modes using the primary windings of transformer as reference object is built. The method of model building based on state - space average with switch function is presented. The built model lowers the order of equation of state and the whole analysis process is simplified. The result of the stability value of simple model is the same as the large - signal direct analysis, indicating the correctness of the built mode.
出处
《黄石理工学院学报》
2008年第2期7-11,共5页
Journal of Huangshi Institute of Technology
关键词
双向变换器
开关函数
降阶
简化模型
bidirectional converter
switching function
reduced order
simplified model
