Effect of fault resistance and grid short circuit MVA on impedance seen by distance relays on lines fed from wind turbine generating units (WTGU)

Srivastava, S and Shenoy, JU and Biswal, Abhinna Chandra and Ganesan, S (2012) Effect of fault resistance and grid short circuit MVA on impedance seen by distance relays on lines fed from wind turbine generating units (WTGU). In: 2012. DPSP 2012. 11th International Conference on Developments in Power Systems Protection, 23-26 April 2012, Birmingham, UK.

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Abstract

This paper deals with line protection challenges experienced in system having substantial wind generation penetration. Two types of WTGU: Doubly Fed (DFIG) and Squirrel Cage (SCIG) Induction Generators are simulated and connected to grid with single circuit transmission line. The paper summarizes analytical investigations carried out on the impedance seen by distance relays by varying fault resistances and grid short circuit MVA, for the protection of such transmission lines during faults. The results are also compared with systems having conventional synchronous machine connected to the grid.

Item Type:	Conference Proceedings
Publisher:	IEEE
Additional Information:	Copyright of this article belongs to IEEE.
Keywords:	DFIG; Distance Relays; Fault Resistance; SCIG; Short Circuit MVA; WTGU; Wind Generation
Department/Centre:	Division of Electrical Sciences > Electrical Engineering
Date Deposited:	29 May 2013 10:18
Last Modified:	29 May 2013 10:18
URI:	http://eprints.iisc.ac.in/id/eprint/46415

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