NDLI: Study of advanced current control strategies for three-phase grid-connected pwm inverters for distributed generation

Content Provider	IEEE Xplore Digital Library
Author	Qingrong Zeng Liuchen Chang
Copyright Year	2005
Description	Author affiliation: Dept. of Elec. & Comp. Eng., New Brunswick Univ., Fredericton, NB (Qingrong Zeng; Liuchen Chang)
Abstract	Three-phase PWM voltage-source inverters (VSI) are widely employed for distributed generation (DG) systems. Since the voltage at the point of common coupling should not be regulated by DGs, the current control strategy of grid-connected inverters plays a dominant role in providing high quality power to electric grids. The authors have proposed two advanced SVPWM-based current controllers to improve the performance of grid-connected VSIs for DG systems. Three current control strategies, namely hysteresis current control, SVPWM-based PI control and SVPWM-based predictive control, have been developed, implemented, and studied on a 30kW three-phase grid-connected PWM VSI. Effective compensation for the grid harmonics and for the system nonlinearity due to control delay and switching dead time are investigated. The results of computer simulations and experimental tests are provided to verify and compare the performances of these three current control strategies
Starting Page	1311
Ending Page	1316
File Size	558667
Page Count	6
File Format	PDF
ISBN	0780393546
DOI	10.1109/CCA.2005.1507313
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-08-28
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Current control Pulse width modulation inverters Distributed control Electric current control Space vector pulse width modulation Control systems Voltage Hysteresis Pi control Predictive control
Content Type	Text
Resource Type	Article

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