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    Abstract
2012 (Vol. 4, Issue: 23)
Article Information:

Improving Transient Recovery voltage of circuit breaker using Fault Current Limiter

Amir Heidary, Hamid Radmanesh, Seyed Hamid Fathi and Hamid Reza Rajabi Khamse
Corresponding Author:  Hamid Radmanesh 

Key words:  Circuit breaker, fault current limiter, transient recovery voltage, , , ,
Vol. 4 , (23): 5123-5128
Submitted Accepted Published
April 04, 2012 April 25, 2012 December 01, 2012
Abstract:

This study investigates influence of Fault Current Limiter (FCL) on short-circuits current level of substation bus bar splitter circuit breaker and its TRV. An approach for TRV evaluation is developed and applied for proposed power system as shown in this study. FCL circuit is connected to the power system in order to limit TRV. The limiter circuit consists of two equal windings which are turned around unique magnetic core. One of the windings is connected in series with the power system network and the other is connected to the network via series capacitor and power electronic switches. During normal operating condition, both tyristors are in on state and current of the primary and secondary windings are equal. This causes zero impedance of the limiter. During fault, faults current cause the power electronic switch to turn off which increases the limiter impedance. By increasing the limiter impedance, amplitude of TRV decreases substantially. The novel method presented in this study is a cheap and successful scheme.
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  Cite this Reference:
Amir Heidary, Hamid Radmanesh, Seyed Hamid Fathi and Hamid Reza Rajabi Khamse, 2012. Improving Transient Recovery voltage of circuit breaker using Fault Current Limiter.  Research Journal of Applied Sciences, Engineering and Technology, 4(23): 5123-5128.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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