Coordination of Reactive Power in Grid-Connected Wind Farms for Voltage Stability Enhancement

Kumar, Seshadri Sravan V and Reddy, Kommi Krishna and Thukaram, D (2014) Coordination of Reactive Power in Grid-Connected Wind Farms for Voltage Stability Enhancement. In: IEEE TRANSACTIONS ON POWER SYSTEMS, 29 (5). pp. 2381-2390.

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Abstract

This paper studies the feasibility of utilizing the reactive power of grid-connected variable-speed wind generators to enhance the steady-state voltage stability margin of the system. Allowing wind generators to work at maximum reactive power limit may cause the system to operate near the steady-state stability limit, which is undesirable. This necessitates proper coordination of reactive power output of wind generators with other reactive power controllers in the grid. This paper presents a trust region framework for coordinating reactive output of wind generators-with other reactive sources for voltage stability enhancement. Case studies on 418-bus equivalent system of Indian southern grid indicates the effectiveness of proposed methodology in enhancing the steady-state voltage stability margin.

Item Type:	Journal Article
Publication:	IEEE TRANSACTIONS ON POWER SYSTEMS
Additional Information:	Copy right for this article belongs to the IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855-4141 USA
Department/Centre:	Division of Electrical Sciences > Electrical Engineering
Date Deposited:	10 Oct 2014 06:46
Last Modified:	10 Oct 2014 06:46
URI:	http://eprints.iisc.ac.in/id/eprint/49967

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