GETCO Exam Paper (22-07-2015) What is the surge impedance loading of 400 kV line with surge impedance given as 160 Ω 1000 kW 1000 MW 250 MW 400 MW 1000 kW 1000 MW 250 MW 400 MW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP SIL = (kV)²/Z₀
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Impedance Relay Over current Relay Mho Relay Reactance Relay Impedance Relay Over current Relay Mho Relay Reactance Relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Current chopping phenomenon is related to small inductive current capacitance switching asymmetrical current resistance switching small inductive current capacitance switching asymmetrical current resistance switching ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In the standard B-H curve X axis and Y axis intercepts respctively represents Flux and MMF Hysteresis loss and Flux residual magnetism and coercive force coercive force and residual magnetism Flux and MMF Hysteresis loss and Flux residual magnetism and coercive force coercive force and residual magnetism ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The area under the load duration curve represents Maximum demand of the power station base load of the system energy generated in the period considered average load of the system Maximum demand of the power station base load of the system energy generated in the period considered average load of the system ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Earth wire on EHV overhead transmission line is provided to protect the line against corona effect excessive fault voltages switching surge lightning surge corona effect excessive fault voltages switching surge lightning surge ANSWER DOWNLOAD EXAMIANS APP