利用新构造的电路模型所建立的状态方程与用状态空间平均法所得到的状态方程完全一致。
The state equation obtained from this new circuit model is just the same as that obtained from the state-space averaged method.
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。
For isolated-type symmetry half-bridge bidirectional converter with phase-shifted control, a simplified circuit under 4 modes using the primary windings of transformer as reference object is built.
采用状态空间平均法建立了变换器平均模型，获得了关键电路参数的设计准则和变换器的外特性曲线。
By using the state-space averaging approach, the converter's averaging model is presented, and the design criterion of key circuit parameters and the output characteristic curve are given.
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