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基本假设本文对电路提出如下几点假设:(1)电路输入电压E是恒定的;(2)电路中变压器的激磁电感值较漏感大得多,考虑变压器等值电路时忽略激磁电感;(3)功率三极管被看作一个理想开关和集射结等值电容的并联。忽略驱动电路对三极管开通和关闭过程的影响。
Basic Assumptions The following assumptions are made for the circuit in this paper: (1) The input voltage E of the circuit is constant; (2) The magnetizing inductance of the transformer in the circuit is much larger than the leakage inductance, ignoring the magnetizing inductance when considering the equivalent circuit of the transformer; 3) The power transistor is considered as an ideal switch and collector junction equivalent capacitance in parallel. Ignore the drive circuit on the transistor on and off the process.