What is Auto Recloser of Breaker SF6? with MATLAB Simulink

What is Auto Recloser of Breaker ?
Introduction
In electric power distribution, Automatic Circuit Reclosers (ACRs) are a class of switchgear which is designed for use on overhead electricity distribution networks to detect and interrupt momentary faults. Also known as Reclosers or Autoreclosers, ACRs are essentially High Voltage rated Circuit Breakers with integrated current and voltage sensors and a protection relay, optimized for use as an overhead network distribution protection asset. Commercial ACR's are governed by the ANSI/IEEE C37.60, IEC 62271-111 and IEC 62271-200 standards. The three major classes of operating voltage are 15.5kV, 27kV and 38kV.
Whilst original hydraulic recloser designs had rudimentary protection capabilities, modern semiconductor controlled devices exhibit sophisticated control systems which allow for the configuration of varying responses to different classes of faults on the distribution network. The number of reclose attempts is limited to a maximum of four by Recloser Standards. The basic philosophy of Reclosing is to actively consider the fault cases and provide an effective response based on the fault type, this is done on a probabilistic methodology in conjunction with the detection of fault type.
Reference by Wikipedia.
#AutoRecloser #CircuitBraker #Matlab
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