NDLI: A novel control algorithm for inverter-based distributed generation in unbalanced three-phase power systems

Content Provider	IEEE Xplore Digital Library
Author	Shengwei Li Yongli Li Jingliao Sun Qiang Jin Xuguang Li
Copyright Year	2009
Description	Author affiliation: Key Laboratory of Power System Simulation and Control of Ministry of Education, Tianjin University, Tianjin 300072, China (Shengwei Li; Yongli Li; Jingliao Sun; Qiang Jin; Xuguang Li)
Abstract	In distribution power system, the unbalanced operating state, harmonics, negative sequence components, which are caused by the nonlinear or unbalanced loads, not only increase the power transmission losses, but also are harmful to the electric devices. In this situation, the Active Power Filter (APF) and the Static Var Generator (SVG) would be required. However as proved in this paper, the existing compensation methods are usually affected by the unbalanced and harmonic voltages. So a compensation algorithm based on the amended Park Transformation which is suitable for the unbalanced power systems is proposed. In addition, referring to the Inverter-based Distributed Generation (IBDG) developed rapidly in recent years, the presented compensation algorithm is integrated with the active power control scheme to build a hybrid control algorithm used in IBDG existing distribution system. Based on the stated control algorithm, IBDG not only can supply the electric power, but also compensate for the reactive power, harmonics and negative sequence currents of the distribution power system. The feasibility and accuracy of the algorithm are verified by the DIgSILENT Powerfactory simulation.
Starting Page	1
Ending Page	6
File Size	683884
Page Count	6
File Format	PDF
ISBN	9781424449347
DOI	10.1109/SUPERGEN.2009.5348276
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-04-06
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inverter Harmonics Power system control Power transmission Power system harmonics Control systems Park transformation Power harmonic filters Reactive power Power system simulation Unbalanced power system Compensation Distributed control Active filters Hybrid power systems Power systems Distributed generation (DG)
Content Type	Text
Resource Type	Article

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