NDLI: Modeling of FACTS Devices for Voltage Sag Mitigation Studies in Large Power Systems

Content Provider	IEEE Xplore Digital Library
Author	Milanovic, J.V. Yan Zhang
Copyright Year	1986
Abstract	Flexible ac transmission system (FACTS) devices or their subderivative custom power devices are efficient and often used and recommended power-electronics-based devices for mitigation of voltage sags in electrical power system. With FACTS devices installed, the overall system (and individual bus) sag performance could significantly change depending on the type of the device used. In order to assess this change in sag performance in realistic large power systems, the classical (essentially static) fault calculation procedure should be amended to incorporate the effects of these devices on bus voltages. This paper presents a new approach of quasistatic sag analysis using a system impedance (Z _bus) matrix that incorporates FACTS devices. Three types of FACTS devices which are most often used in practical applications are considered in this study: static compensator, static var compensator, and the dynamic voltage restorer. The case studies based on the 295-bus generic distribution system are used to illustrate the modeling method and the effectiveness of these devices in sag mitigation.
Sponsorship	IEEE Power Engineering Society
Starting Page	3044
Ending Page	3052
Page Count	9
File Size	845730
File Format	PDF
ISSN	08858977
Volume Number	25
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage fluctuations Automatic voltage control Static VAr compensators Power system dynamics Power quality STATCOM Flexible AC transmission systems ${\rm Z} _{\rm bus}$ matrix Dynamic voltage restorer (DVR) flexible ac transmission systems (FACTS) devices power quality (PQ) static compensator (STATCOM) static VAR compensator voltage sag mitigation
Content Type	Text
Resource Type	Article
Subject	Energy Engineering and Power Technology Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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