由于中大功率的电力电子设备在电网中占很大的比重，因此高功率因数的三相可逆变流器的研究已成为当今国内外研究的一大热点。
Due to the prodigious proportion of medium and big electronic equipment in power line, the research of three phase reversible converter is becoming the researching hotpot on international and native.
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.
应用推荐