为今后各种大功率电力电子装置的试验方法及等效机理的研究提供了理论基础。
So the theoretical base is founded for future study on the test method and its equivalence mechanism.
大功率电力电子装置试验方法的理论研究一直处于混沌状态，需要有系统化的理论指导。
The study on high power electronics equipment test has always been in a state of muddle-headed and blind.
基于CPS -SPWM技术的级联型多电平变流器结合了二者的优势，在大功率电力电子装置中有良好的应用前景。
The cascade multilevel converter based on CPS-SPWM technique has both of the advantages, so it has attractive perspective in large power application.
随着近年来电力电子器件在中高压大功率电力电子装置的应用越来越广泛后，装置中的大功率电力电子器件的驱动问题也显得越来越重要了。
Among the device of power electronics is used in high-power install more and more widely, the issue of driving devices is becoming much more important now.
叙述了大功率高压电力电子器件IGBT变频传动装置整流器系统的原理，着重分析了故障原因及应吸取的教训。
The principle of in frequency converter using large high-voltage power electronic device IGBT was discussed. And the cause of fault was analyzed as well as the lesson should be learned.
叙述了大功率高压电力电子器件IGBT变频传动装置整流器系统的原理，着重分析了故障原因及应吸取的教训。
The principle of in frequency converter using large high-voltage power electronic device IGBT was discussed. And the cause of fault was analyzed as well as the lesson should be learned.
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