Research Article Open Access

Improvement of Transient Stability of Power System Using Solid State Circuit Breaker

Kalai Murugan Amirthalingam1 and Raja Prabu Ramachandran2
  • 1 Sathyabama University, India
  • 2 B.S. Abdur Rahman University, India
American Journal of Applied Sciences
Volume 10 No. 6, 2013, 563-569

DOI: https://doi.org/10.3844/ajassp.2013.563.569

Submitted On: 21 September 2012 Published On: 7 June 2013

How to Cite: Amirthalingam, K. M. & Ramachandran, R. P. (2013). Improvement of Transient Stability of Power System Using Solid State Circuit Breaker. American Journal of Applied Sciences, 10(6), 563-569. https://doi.org/10.3844/ajassp.2013.563.569

Abstract

The aim of this study is to use a solid state circuit breaker for the improvement of transient stability margin. Long distance AC transmission is often subject to stability problems, which limits the transmission capability. Interconnected power systems suffer from weakly damped swings between synchronous generator and sub systems. The development of modern power system has lead to an increasing complexity in the study of power system and also presents new challenges to power system stability and in particular to the aspects of transient stability and small signal stability. Transient stability control plays a significant role in ensuring the stable operation of power systems in the event of large disturbances and faults and is thus a significant area of research. This study investigates the improvement of transient stability of a two area system, using Solid State Circuit Breaker which is capable of fast switching in case of faults and thus controlling the real and reactive power flows in a faulted transmission line. Simulations are carried out in Matlab/Simulink environment for two area system model with Solid State Circuit Breaker to analyze the effects of SSCB on transient stability performance of the system. From the simulation results, swing curves of the three phase faulted power system without SSCB gets increases monotonically and thus the system can be considered as unstable whereas the swing curves of the system with an SSCB reaches to a steady state.

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Keywords

  • Solid State Circuit Breakers (SSCBs)
  • Simulation
  • Semiconductors
  • Transient Stability