Study and Control of Three-Phase PWM Rectifier Based on Dual Single-Input Single-Output Model
Study and Control of Three-Phase PWM Rectifier Based on Dual Single-Input Single-Output Model
复制标题
基于双路单输入单输出模型的三相PWM整流器的研究与控制
DOI：
10.1109/tii.2012.2222423
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发表时间：
2013-05
影响因子：
12.3
通讯作者：
Zhong, Yanru
中科院分区：
文献类型：
--
作者：
Yin, Zhonggang;Liu, Jing;Zhong, Yanru
针对三相两电平脉宽调制整流器多输入、多控制目标的复杂结构，提出了一种新的双单输入单输出模型。在该模型中，三相脉宽调制整流器在α-β静止坐标系中等效为两个单相脉宽调制整流器，比三相脉宽调制整流器更易于分析。基于DSISO模型，推导了小信号模型，推导了控制输出传递函数，给出了电压控制器的设计原则。分析控制策略以确定切换周期内的切换控制信号。实验结果验证了该模型的正确性和基于该模型的控制策略的可行性。
A novel dual single-input single-output (DSISO) model for a three-phase two-level PWM rectifier is proposed, in order to simplify the complicated structure of multiple input variables and multiple control objectives. In the proposed model, the three-phase PWM rectifier is equivalent to two single-phase PWM rectifiers in the α-β stationary reference frame, which is easier to analyze than a three-phase PWM rectifier. Based on the DSISO model, the small-signal model is derived, the control-to-output transfer function is deduced, and the design principle of the voltage controller is given. The control strategy is analyzed to determine switching control signals in a switching period. Experimental results confirm the validity of the DSISO model and the feasibility of the control strategy based on DSISO model.
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