DGVCL Exam Paper (11-12-2011)
Bulk power transmission over long HVDC lines are preferred on account of

Minimum line power losses
Simple protection
Low cost of HVDC terminals
No harmonic problems

ANSWER DOWNLOAD EXAMIANS APP

DGVCL Exam Paper (11-12-2011)
Which of the following correctly represents the sequence of operations of isolator, circiut breaker and earthing switch while opening a circuit?

Close circuit breaker-close isolator - open earthing switch
Open isolator close circuit breaker-open earthing switch
Open circuit breaker-open isolator-close earthing switch
Close earthing switch - open ciruit- breaker-open islotor

ANSWER DOWNLOAD EXAMIANS APP