One and half breaker bus system

Types of Busbar System

There are following types of bus bar arrangement system.

Single bus bar system
Single bus bar with bus sectionalized
Main and transfer bus bar
Double bus bar, Double breaker system
Sectionalized Doble bus bar system
One and half bus bar system

One And Half Circuit Breaker

  • In this theory, the working of one and half circuit breaker is given. 
  • There are three circuit breakers connected in series between two bus bars, the central circuit breaker controls the input feeder as well as output feeder.  
  • The one and half breaker arrangement used only in the double bus bar substation.  

One and half breaker bus system

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