NDLI: Voltage stability margin improvement using shunt capacitors and active and reactive power management

Content Provider	IEEE Xplore Digital Library
Author	Omidi, H. Mozafari, B. Parastar, A. Khaburi, M.A.
Copyright Year	2009
Description	Author affiliation: Department of Electrical Engineering, Science and Research Branch, Islamic Azad University, TEHRAN, IRAN (Omidi, H.; Mozafari, B.; Parastar, A.; Khaburi, M.A.)
Abstract	improvement of the power system economical dispatch from voltage stability margin viewpoint is studied in this paper and for that a methodology is proposed. The considered time interval is short term operation. Active and reactive power (generation) re-dispatch injection is the basis of proposed method and voltage stability will be achieved using generated reactive power by shunt capacitors in power system. This method is implemented via modal analysis with specifying participation factor of generators and Synchronous condensers (units), and shunt capacitors. Using modal index, units with negative impact on voltage stability margin are revealed and penalized with high costs in objective function of the optimal power flow program used to run the re-dispatch process. Results indicate significant improve in voltage stability margin. So, the new method is applied in order to update penalty factor of units. In this research it is assumed that contingency occurred in system does not lead the stability margin to under zero Level and load shedding is not necessary for recovering a desired criteria. Finally, proposed method is performed in modified 30-bus IEEE power system in contingency condition.
Starting Page	1
Ending Page	5
File Size	671926
Page Count	5
File Format	PDF
ISBN	9781424445080
DOI	10.1109/EPEC.2009.5420873
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-22
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	shunt capacitors Power system management Power system economics Power generation economics Power system stability modal analysis participation factors Reactive power Power system analysis computing Voltage voltage stability margin Power capacitors Energy management Power generation generation re-dispatch
Content Type	Text
Resource Type	Article

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