GETCO Exam Paper (22-07-2015) During the insulation co-ordination in the sub station, the lowest insulation strength is at CTs and PTs bus bar circuit breaker transformer CTs and PTs bus bar circuit breaker transformer ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The Y bus matrix is a sparse matrix because … lines are connected to less no. of buses bus incidence matrix is a sparse matrix Y primitive is a sparse matrix no of lines are less lines are connected to less no. of buses bus incidence matrix is a sparse matrix Y primitive is a sparse matrix no of lines are less ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) HVDC transmission is preferred to EHV AC because Harmonic problem is avoided Its terminal equipment are inexpensive System stability can be improved VAR compensation is not required in it Harmonic problem is avoided Its terminal equipment are inexpensive System stability can be improved VAR compensation is not required in it ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) What is the surge impedance loading of 400 kV line with surge impedance given as 160 Ω 400 MW 250 MW 1000 MW 1000 kW 400 MW 250 MW 1000 MW 1000 kW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP SIL = (kV)²/Z₀
GETCO Exam Paper (22-07-2015) The mechanical angle is _____ electrical angle lesser than or equal to greater than or equal to same always less lesser than or equal to greater than or equal to same always less ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Electrical angle = (P/2)*mechanicla angle
GETCO Exam Paper (22-07-2015) In G-S method of power flow problem, the number of iterations _____ remains fixed depends on tolerance depends on no of buses depends on voltage control buses remains fixed depends on tolerance depends on no of buses depends on voltage control buses ANSWER DOWNLOAD EXAMIANS APP
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