Paper on Harmonics

Journal of Pure and Applied Science & Technology

Copyright © 2011 NLSS, Vol. 2(1), Jan 2012, pp. 50-58

Analysis of Fault Current Limiter (FCL) for Voltage Sag Mitigation through MATLAB/SIMULINK
1,

Vibhor Chauhan1,*, Rishi Pratap Singh1 and Seema Dhariwal1 *Department of Electrical Engineering, Suresh Gyan Vihar University, Jaipur, India

Continues growth of electrical energy demand is resulting in a corresponding increase in the short circuit in power system, which results in voltage sag problems and threat to power quality in the system. Several solutions have been implemented, including the use of Fault Current Limiter (FCL), in order to reduce circuit breakers rated capacity and to limit the electromagnetic stress in associated equipment. This paper presents a study of the impact of fault current limiter in power system performance and hence improving the power quality. In order to evaluate the impact of fault current limiter in power system performance, simulation models of power system performance with ‘FCL’ are used. For simulation model development, MATLAB simulation tool “SIMULINK” software is used. A distribution system fed from single source is used to assess the impact of ‘FCL’ to power system performance.
Keywords: Fault Current Limiter (FCL), Voltage Sag, Power Quality, MATLAB/SIMULINK.

1. INTRODUCTION In today circumstances, rapid development of power network cause the fault current of the system increased greatly. The levels of fault current in many places have often exceeded the withstand capacity of existing power system equipment. As implication to this matter; security, stability and reliability of power system will be negatively affected[1]. Thus, limiting the fault current of the power system to a safe level can greatly reduce the risk of failure to the power system equipment due to high fault current flowing through the system. Because of that, there is no surprise to fault current limiting technology has become a hotspot of

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