逆变器综合课程设计教学平台的开发

“电力电子技术”是一门理论性与实践性均较强的课程，软开关逆变电源实验装置是为该课程设计的综合课程设计教学平台。该平台由交错并联有源箝位正激直流变换器和软开关桥式逆变器构成，分别采用脉宽调制控制策略和离散脉冲控制策略。本文详细分析了逆变电源的工作原理，给出了实验结果和教学平台应用过程，讨论了电感的设计过程和电源稳压原理。通过该教学平台，可加深学生对“电力电子技术”课程内容的理解，锻炼学生的动手能力，有效提高了教学质量。

Teaching Platform Exploitation of Inverter Integration Course Design

Power Electronics is a course with high theory and practice character. Soft-switching inverter is an integrated course design teaching platform designed for this course. It is composed of interleaved-parallel active-clamped forward DC/DC converter and soft-switching full-bridge DC/AC inverter. Pulse Width Modulation-PWM control and Discrete Pulse Modulation-DPM control strategy is applied to DC/DC converter and DC/AC inverter respectively. This paper analyses in detail the operation principle of inverter. The experimental results and the application process of platform are given out. The design of inductor and regulation principle of the output voltage is discussed. The platform is helpful for students to understand the contents of Power Electronics course. The practice ability is exercised and teaching quality is improved effectively.