电测与仪表2017，Vol.54Issue(11)：66-70,5.
电网电压畸变下电流型PWM整流直流侧恒流控制
Constant DC current control for current source PWM rectifier under distorted and unbalanced conditions
摘要
Abstract
According to DC current has larger low-order harmonics with current-source PWM rectifier (CSR) under distorted and unbalanced condition, traditional control strategy needs complex separating positive and negative sequence components, rotating transition of coordinate and decoupling control.Constant DC current control strategy is put forward without PLL with current source PWM rectifier in this paper.By using derived power outer-loop control with DC current square, constant DC current control substitutes traditional PI control.In current inner-loop, the proportion resonant and harmonic compensation are used to realize grid current no error following.That control algorithms based on the stationary frame simplify control without complex separating positive and negative sequence components, rotating transition of coordinate and decoupling control.Simulation and experiment show that proposed control strategy is correct.关键词
电流型PWM整流/直流恒流控制/比例谐振控制/谐波补偿控制Key words
current source PWM rectifier (CSR)/constant dc current control/proportional resonant (PR) control/harmonic compensation (HC) control分类
信息技术与安全科学引用本文复制引用
董砚,郭贤朝,荆锴,郝正赫,臧越..电网电压畸变下电流型PWM整流直流侧恒流控制[J].电测与仪表,2017,54(11):66-70,5.基金项目
河北省重大成果转化项目(13041709z) （13041709z）
河北省自然科学基金资助项目(E2013202108) （E2013202108）
