Circuit breaker CBA backs up circuit breaker CBB. Hence, it has to wait for time TRA which is greater than T1, the fault clearing time of breaker B, before initiating its interruption process. T1 is made up of relay B operating time TRB and circuitanbsp;...
|Title||:||Fundamentals of Power System Protection|
|Author||:||Yeshwant G. Paithankar, S. R. Bhide|
|Publisher||:||PHI Learning Pvt. Ltd. - 2010|