电力电子技术在变压器设计中的应用与分析

Power Electronics Transformer Based on Dual PWM Converters

提出了一种基于双PWM变换的电力电子变压器拓扑结构,对整流、逆变电路提出了相应的分析。基于双PWM变换的电力电子变压器可以提高电网功率因数,改善电能质量,并且能输出恒压、恒频的交流电压。在电力系统中,这种电力电子变压器具有广阔的应用前景。

The topology of PET based on dual PWM converters is proposed.The strategies of screw and inverters sub-circuit are provided.The control strategies can be proved.The power factor of the power system can be improved and the power quality can be amended.The output voltage of the PET is CVCF. This kind of PET has a light future and it will be an important device in the area of solving the problems of the power quality in the near future.