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Why Is The Rating Of A Circuit Breaker Decided On The Basis Of Symmetrical Short Circuit Currents? |
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Answer» As the symmetrical fault is most severe in a three PHASE line and imposes the heavy duty on the control gear, THEREFORE, the CIRCUIT breaker is rated on the basis of symmetrical short circuit currents. As the symmetrical fault is most severe in a three phase line and imposes the heavy duty on the control gear, therefore, the circuit breaker is rated on the basis of symmetrical short circuit currents. |
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