GETCO Exam Paper (22-07-2015) Earth wire on EHV overhead transmission line is provided to protect the line against corona effect switching surge excessive fault voltages lightning surge corona effect switching surge excessive fault voltages lightning surge 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 1000 MW 400 MW 1000 kW 250 MW 1000 MW 400 MW 1000 kW 250 MW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP SIL = (kV)²/Z₀
GETCO Exam Paper (22-07-2015) The instantaneous value of power in purely inductive circuit is none of this changing constant zero none of this changing constant zero ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The instantaneous value of power in purely inductive circuit is changing as it is given as v*i. The average power of purely inductive circuit over a cycle is zero
GETCO Exam Paper (22-07-2015) Shunt compensation in EHV line is resorted to Improve voltage profile Improve the stability Increase line impedance Reduce the fault level Improve voltage profile Improve the stability Increase line impedance Reduce the fault level ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For a given transformer volte/turn for primary and secondary winding is depends on transformer design same different depends on load depends on transformer design same different depends on load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP emf = 4.44*f*φ*Temf/T = 4.44*f*φ
GETCO Exam Paper (22-07-2015) Normally the angle of the transmission line is kept _____ because of _____ reasons 90, steady state stability 90, transient stability 45, steady state stability 45, transient stability 90, steady state stability 90, transient stability 45, steady state stability 45, transient stability ANSWER DOWNLOAD EXAMIANS APP