An Implementation of Novel Fault Current Limiter Bridge Type Solid State Fault Current Limiter Baed on Ac/Dc Reactor (original) (raw)

2019

Abstract

This paper presents the implementation of novel bridge type solid-state fault current limiter with use of single series reactor acts as AC and DC reactor. The proposed scheme uses uncontrolled and semi-controlled power electronics switches bridge rectifier with the reactor. The reactor used works as dc in normal condition and ac in a fault condition. The advantages of this proposed scheme over other fault current limiter are reactor inserts negligible impedance during normal operation and insert high impedance during fault operation and other one is simple switching. When there no fault or in the pre-fault condition it operates in dc mode and in fault condition it operates in ac mode. The switching decreases transient recovery voltage and inserts large impedance during fault period. MATLAB/Simulink software is used for simulation of the proposed BSSFCL.

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