采用双环结构，用三个非线性PI环节实现了对整流器直流电压与功率因数的高性能控制。
The DC bus voltage and the power factor of the PWM rectifier are regulated by three nonlinear PI controllers with high performance.
通过对比瞬态电流控制、预测电流控制以及滞环电流控制三种电流控制策略阐述PWM整流器的电流控制技术。
By comparing transient current control, the predicted current control and hysteresis current control this paper sets forth current control technology of current control strategy of PWM rectifier.
同时本文针对PWM整流器的并网锁相问题，对三相锁相环进行了研究。
Three-phase PLL is researched about connetting grid and phase locked of PWM rectifier in the thesis.
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