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Abstract
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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
Submitted: April 04, 2012
Accepted: April 25, 2012
Published: December 01, 2012 |
Abstract:
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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.
Key words: Circuit breaker, fault current limiter, transient recovery voltage, , , ,
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Cite this Reference:
Amir Heidary, Hamid Radmanesh, Seyed Hamid Fathi and Hamid Reza Rajabi Khamse, . Improving Transient Recovery voltage of circuit breaker using Fault Current Limiter. Research Journal of Applied Sciences, Engineering and Technology, (23): 5123-5128.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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