NDLI: A Power Control Strategy for PWM Rectifier under Unbalanced Input Voltage

Content Provider	IEEE Xplore Digital Library
Author	Wang Xiaohong Pan Xiaoming Zhong Chunbo Tian Lianfang
Copyright Year	2010
Abstract	A control strategy of positive and negative sequence controllers for three phase voltage source PWM rectifier based on power-equation principle is proposed aim at eliminating the harmonic of dc output voltage. The strategy calculates the commands of positive and negative sequence currents using the equation principle of instantaneous power, and designs positive and negative sequence controllers to regulate the positive and negative sequence currents separately. By decoupling feed-forward and PI controller, this strategy can achieve good performance. The details of the strategy are given then. The phase of the unbalanced voltage is locked using phase locked loop (PLL). The positive and negative sequence currents are separated and picked up using notch filters, and controlled by decoupling feed-forward and PI controller. The results of the simulation verify the correctness of the proposed control strategy.
Starting Page	3
Ending Page	6
File Size	319147
Page Count	4
File Format	PDF
ISBN	9781424470792
e-ISBN	9781424470808
DOI	10.1109/APPED.2010.8
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-05-30
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	PWM rectifier Reactive power PLL Rectifiers Pulse width modulation Harmonic analysis Voltage control Power equation Power harmonic filters Unbalanced voltage
Content Type	Text
Resource Type	Article

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