According the operation mechanics of the SCES system, its main circuit containing bi-directional DC-AC-DC converter was designed and its unified model was built.
从超级电容器储能系统的运行机理出发，设计了含双向DC - AC - DC变换器的超级电容器储能系统主电路结构，并建立了其统一模型。
It is shown that through the nonlinear circuit model, the resonant type and the PWM type converters can be unified with the same analysis method.
文中分析方法表明，利用开关函数的非线性建模及等效小参量分析，可统一PW M类及谐振类变换器的分析。
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