该文将电力电子电路视为一类混杂动态系统，尝试在DC- DC变换器控制系统研究中引入切换线性系统的概念和理论。
In this paper, power electronic circuits were considered as one type hybrid dynamic systems and the concept and theory of switched linear systems were introduced to DC-DC converter control systems.
串级逆变电路是在高压大功率电力电子变换器中应用较多的一种变换电路。
Cascade inverter has various applications in the high voltage and power multilevel inverter field.
提出了一种基于双PWM变换的电力电子变压器拓扑结构，对各级电路提出了相应的控制策略。
The topology of PET based on dual PWM converters is proposed. The control strategies of each sub-circuit of PET are pointed out.
提出了一种基于双PWM变换的电力电子变压器拓扑结构，对各级电路提出了相应的控制策略。
The topology of PET based on dual PWM converters is proposed. The control strategies of each sub-circuit of PET are pointed out.
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