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.

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。

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A scheme of bidirectional thyristor phasing trigger composed by ICs is presented, and the trigger circuit fit for AC voltage regulator of inductive load is given.

提出了一种由集成电路组成的双向晶闸管移相触发器的设计方案，给出了适合于感性负载的交流调压电源的触发电路。

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The objective of this paper is to present a novel design of the bidirectional charging circuit used in the high frequency magnetic stimulator to lower the electric power consumption.

但由于达到神经电位阈值所需的磁刺激脉冲能量较大，对电源功耗的要求限制了磁刺激的高频应用，本文研制了一种用于高频磁刺激仪的双向充电电路，用以降低功率消耗。

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