单周期控制无乘法器三相电压型PWM整流器

Three-Phase Voltage Source Type PWM Rectifier by One-Cycle Control Without Multipliers

对基于单周期控制的三相PWM高功率因数整流器进行了研究 ,推导了单周期控制三相电压型PWM整流器的控制规律 ,它不需要乘法器更不需要对电源电压进行检测 ,其控制逻辑非常简单并且以恒定频率工作。完成了 5kW三相PWM整流器的设计和实验研究 ,进行了稳态试验和负载 1 0 0 %突变的动态响应试验 。

This paper researches a three phase voltage source type PWM rectifier based on one cycle control(OCC).The control laws of a three phase PWM rectifier by one cycle control are deduced.Its logic is very simple and the multipliers and input voltage sensors are not needed.The control can be implemented by the general integrate circuits and electronic devices.A 5kW three phase PWM rectifier with OCC is designed and implemented. Both steady state and dynamic state test at 100% load change are conducted.The input current can automatically follow the line phase voltage in a sine wave and the unity power factor is realized in fixed frequency operation.