NDLI: Three-phase four-wire dstatcom with H-bridge VSC and star/delta transformer for power quality improvement

Content Provider	IEEE Xplore Digital Library
Author	Singh, B. Jayaprakash, P. Kothari, D.P.
Copyright Year	2008
Description	Author affiliation: Centre for Energy Studies, Indian Inst. of Technol., New Delhi (Jayaprakash, P.) \|\| Vellore Inst. of Technol., Vellore (Kothari, D.P.) \|\| Dept. of Electr. Eng., Indian Inst. of Technol., New Delhi (Singh, B.)
Abstract	A new topology of three-phase four-wire DSTATCOM consisting of a H-bridge VSC (voltage source converter) with a star/delta transformer is proposed for power quality improvement in the distribution systems. The proposed DSTATCOM (distribution static compensator) provides the voltage regulation or power factor correction by reactive power compensation along with harmonics elimination, load balancing and neutral current compensation in three-phase four-wire distribution system. The transformer has star connected primary and delta connected secondary and the load neutral point is connected to the neutral of star winding so that it provides a path to the zero sequence fundamental as well as harmonics neutral currents. This topology has the advantages of the use of two-leg, H-bridge VSC which reduces the size and cost of the DSTATCOM. The rating of the transformer is decided based on the compensating neutral current. The performance of the proposed DSTATCOM system is validated through simulations using MATLAB software with its simulink and power system blockset (PSB) toolboxes.
Starting Page	412
Ending Page	417
File Size	1947587
Page Count	6
File Format	PDF
ISBN	9781424438259
DOI	10.1109/INDCON.2008.4768759
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-11
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Star/delta Transformer Neutral Current Compensation Converters Power system harmonics Power factor correction Topology Power conversion Voltage control Power Quality DSTATCOM Reactive power Power quality Power system simulation H-bridge VSC STATCOM
Content Type	Text
Resource Type	Article

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