Volume 4 Number 2 (Apr. 2012)
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IJCEE 2012 Vol.4(2): 242-245 ISSN: 1793-8163
DOI: 10.7763/IJCEE.2012.V4.487

Application of Phase Shifting Transformer in Indian Power System

Tirupathi Reddy, Aruna Gulati, M. I. Khan, and Ramesh Koul
Abstract—The country is poised to double the power generation by 2012. With the result the transmission & distribution is increasing many fold. The optimal use of existing infrastructure needs to be done in order to contain investment. It is therefore necessary to load the existing lines to optimal capacity rather than providing the additional corridor. Sometimes it is necessary to provide additional corridor in order to maintain system’s reliability and availability. Over loading of subsystem in a power system sometimes may pose stability issues, which may lead to unwanted tripping, equipment failures which will result long repair/ replacement cycle and heavy revenue losses. Under these conditions, to ensure economical and reliable operation of the grid, power through the lines should be controlled within their capabilities. In case of HVDC systems, the power is automatically controlled as desired by the operator however, control of power in AC network requires special technology to be implemented on case to case basis. Operating efficiency of electric transmission system can be improved by using appropriate FACTS devices. Phase shifting transformer is one of the FACTS family, which can be used for power control in a network. For demonstrating the ability of the phase shifting transformer in regulating the power flow in an alternate transmission network, simulation of Maharashtra zone and Utter Pradesh zone of an Indian grid is considered. From power flow solution, various overloaded lines and the alternate under loaded lines are identified. Different cases are simulated to regulate the power using phase shifting transformer. By introducing phase shifting transformer in to the actual network of the Indian Grid, power flows in the area of interest is re validated and application of PST is justified.

Index Terms—Phase shifting transformer, power flow control, over loaded lines, PSS/E

The authors are with Bharat Heavy Electrical Limited, New Delhi, India (e-mail: ttreddy@bhelindustry.com, aruna@bhelindustry.com, mikhan@bhelindustry.com, rkoul@bhelindustry.com).

Cite:Tirupathi Reddy, Aruna Gulati, M. I. Khan, and Ramesh Koul, "Application of Phase Shifting Transformer in Indian Power System," International Journal of Computer and Electrical Engineering vol. 4, no. 2, pp. 242-245, 2012.

General Information

ISSN: 1793-8163 (Print)
Abbreviated Title: Int. J. Comput. Electr. Eng.
Frequency: Quarterly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: EI (INSPEC, IET), Ulrich's Periodicals Directory, Google Scholar, EBSCO, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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