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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS)
Gururaja Rao H.V
Manipal University
Control & Systems Engineering Electrical & Electronics Engineering

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Performance of STATCOM-ES in Mitigating SSR Mala R.C; Nagesh Prabhu; Gururaja Rao H.V
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 8, No 4: December 2017
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (828.719 KB) | DOI: 10.11591/ijpeds.v8.i4.pp1822-1829

Abstract

One of the advanced power applications using energy storage is the integration of energy storage technologies with VSC-based FACTS controllers. With the support of energy storage device, FACTS controllers will have the ability to exchange active power or energy with the ac network in steady state. This paper discusses the impact of Static Synchronous Compensator incorporating energy storage device (STATCOM-ES) on subsynchronous resonance (SSR). It also proposes the design of an auxiliary SSR damping controller (SSDC) for STATCOM-ES to damp the subsynchronous oscillations which the system is undergoing because of a series capacitor in the transmission system. The system under consideration is IEEE FBM which is modified to incorporate STATCOM-ES at the electrical midpoint. The investigation of SSR characteristics when a STATCOM - ES operating in bus voltage regulation mode is carried out by eigenvalue and damping torque analysis. Transient analysis based on the nonlinear model is also performed to validate the results obtained by conventional methods.
Co-Authors Mala R.C Nagesh Prabhu