According to ANSI/IEEE C37.4-1999, clause 5.6: "Rated standard operating
duty (standard duty cycle). The standard operating duty of a circuit
breaker is:
O - t - CO - t' - CO
Where:
O = Open;
CO = Close - Open
t' = 3 minutes
t = 15 seconds for circuit breakers not rated for rapid reclosing, and
t = 0.3 seconds for circuit breakers rated for rapid reclosing".
Sidharthan.G
Electrical Miracles.
Related Search: operation of circuit breaker,circuit breaker operation,sf6 circuit breaker operation,operating sequence of circuit breaker,operating duty cycle of sf6 circuit breaker,110,33,230,400,11KV breakers
O - t - CO - t' - CO
Where:
O = Open;
CO = Close - Open
t' = 3 minutes
t = 15 seconds for circuit breakers not rated for rapid reclosing, and
t = 0.3 seconds for circuit breakers rated for rapid reclosing".
Sidharthan.G
Electrical Miracles.
Related Search: operation of circuit breaker,circuit breaker operation,sf6 circuit breaker operation,operating sequence of circuit breaker,operating duty cycle of sf6 circuit breaker,110,33,230,400,11KV breakers
