摘要
提出了一种基于双PWM变换的电力电子变压器拓扑结构,对各级电路提出了相应的控制策略。通过仿真表明,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 control strategies of each subcircuit of PET are pointed out. According to the result of the simulation, 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 problem of the power quality in the near future.
出处
《安徽工业大学学报（自然科学版）》
CAS
2006年第2期169-173,共5页
Journal of Anhui University of Technology（Natural Science）
关键词
电力电子变压器
双PWM变换器
电能质量
power electronics transformer（PET）
dual PWM converters
power quality
