案例教学法在软开关课堂教学中的应用研究

Application of Case Teaching Method in Soft Switch Classroom Teaching

针对电力电子技术软开关课堂教学中,软开关和硬开关定义比较难区别,特别是在电力电子电路中软开关技术应用原理复杂等问题,采用案例教学法,先分析一种典型软开关电路的原理,然后建模仿真对实验波形进行分析.实践证明,采用这种教学方法,教师能够比较直观和清晰地阐述软开关的定义,使学生易于理解和掌握软开关的概念,并通过典型软开关电路让学生学以致用,能够激发学生学习积极性,在课堂教学中达到事半功倍的效果.

In the teaching of soft-switching in power electronic technology, the definition of soft-switching and hard-switching is difficult to distinguish. Especially in the application of soft-switching technology in power electronic circuits, the paper adopts case teaching method. The specific method is to analyze the principle of a typical soft-switching circuit, and then to analyze the experimental waveform through modeling and simulation. Teachers can be more intuitive. The most important thing is to understand and grasp the concept of soft switch in typical circuits, and to achieve the results of learning and application through typical soft switch circuits, which can stimulate students' learning enthusiasm and achieve twice the result with half the effort in classroom teaching.