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R. C. Mala
Manipal Institute of Technology
Computer Science & IT Electrical & Electronics Engineering

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Emulated reactance and resistance by a SSSC incorporating energy storage device H. V. Gururaja Rao; Nagesh Prabhu; R. C. Mala
International Journal of Electrical and Computer Engineering (IJECE) Vol 9, No 2: April 2019
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1401.785 KB) | DOI: 10.11591/ijece.v9i2.pp840-850

Abstract

Static Synchronous series compensator without energy storage device can exchange only reactive power with the network and can operate in limited operating range in two quadrants only. When energy storage device is connected at the DC bus of SSSC (SSSC – ES), it can also exchange real power with the network. Operating range of SSSC will be much broader and it covers all the four quadrants. However, emulated reactance and resistance by SSSC – ES is likely to affect the performance of a distance protection system. This paper presents a detailed model of an SMIB system with SSSC – ES. Injected voltage by SSSC – ES in all the four quadrants of operation is presented. Impact of operation of SSSC _ ES in different quadrants and various control strategies for SSSC – ES on impedance emulated by SSSC – ES during steady state condition and transient system disturbance is discussed. 
Co-Authors H. V. Gururaja Rao Nagesh Prabhu