正弦波逆变电路实验的设计与实践

Design and practice of the SPWM(sinusoidal pulse width modulation)inverter experiment

逆变电路和PWM（pulse width modulation）控制技术是电力电子学的重要内容。正弦波逆变电路实验融汇了逆变电路和PWM控制技术的核心内容,对学生深入学习与理解电力电子技术有很大的作用。通过该实验,学生可以巩固理论知识,培养和提高实验技能以及分析问题和解决问题的能力。实践表明,用该方法得到的不同频率及幅值的正弦波,还可以广泛应用到实际项目和产品中。

Inverter and PWM（pulse width modulation）control technology are very important contents of the power electronics,consisting of both inverter and PWM control technology.The SPWM（sinusoidal pulse width modulation）inverter experiment is very helpful for students to study and understand power electronics technology.Through the experiments students can solidify the theory they learnt,and improve their experi-mental techniques and the capacity of analyzing and solving problems.The sine wave of different frequency and amplitude obtained by this experimental method can also be widely used in researches and products.