This circuit has both characters of restricting the current within the giving value and limiting the switching frequency of MOSFET operating on current limited condition.

该电路具有既能将负载电流限制在设定值以内，又能控制限流工作时功率管的开关频率等特点。

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Then we improve the circuit of the experiment based on the conclusion, make the current and voltage better using of the technology of soft switching and series resonance.

然后，在这一结论的基础上对原先的实验电路进行了结构的优化，使用软开关技术与谐振技术使输出电压、电流满足电源系统的基本要求。

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Two main problems in designing the main circuit of switching mode excitation controller are peek voltage and over current of switching device.

开关式励磁调节器主回路设计中需要考虑的两个主要问题是开关器件的尖峰电压和冲击电流。

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