说明：  电力电子的仿真，基础结构，适合原理讲解，初学者，包括：单极性PWM，双极性PWM，单相半波，单相半控，单相方波逆变，单相全控，斩波，三相半控，三相方波逆变，三相全控。文件名是对应的拼音。
(Simulation of power electronics, infrastructure, suitable principle to explain, for beginners, including: unipolar PWM, bipolar Sexual PWM, single-phase half-wave, single-phase half-controlled, single-phase square wave inverter, single-phase control, chopper, three-phase half-controlled three Phase square wave inverter, three-phase full-controlled. The file name is corresponding to the alphabet.)