GETCO Exam Paper (22-07-2015) In sub stations for making and breaking of load current circuit breakers are used load interrupter switches are used isolators are used relays are used circuit breakers are used load interrupter switches are used isolators are used relays are used 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 250 MW 1000 kW 1000 MW 400 MW 250 MW 1000 kW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP SIL = (kV)²/Z₀
GETCO Exam Paper (22-07-2015) In synchronous motor, V-curve is a graph of Armature current Vs power factor Armature current Vs active power Armature current Vs reactive power Armature current Vs Field current Armature current Vs power factor Armature current Vs active power Armature current Vs reactive power Armature current Vs Field current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP v curve: armature current → field currentInverted V curve: power factor → field current
GETCO Exam Paper (22-07-2015) The fault occurring in transmission actually are mostly L-L-G L-G L-L L-L-L L-L-G L-G L-L L-L-L ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In rotating electrical machines, the insulation temperature limit for class B type is 130˚C 105˚C 180˚C 150˚C 130˚C 105˚C 180˚C 150˚C ANSWER EXPLANATION DOWNLOAD EXAMIANS APP insulation Class and temperature limit(in ˚C) is given below:Y - 90A- 105E- 120B-130F-155H-180C- above 180
GETCO Exam Paper (22-07-2015) Fast excitation system of the generator will _____ Improve the reactive power control Improve the power factor Improve the dynamic stability Improve the voltage control Improve the reactive power control Improve the power factor Improve the dynamic stability Improve the voltage control ANSWER DOWNLOAD EXAMIANS APP
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