GETCO Exam Paper (22-07-2015) The Y bus matrix is a sparse matrix because … no of lines are less bus incidence matrix is a sparse matrix lines are connected to less no. of buses Y primitive is a sparse matrix no of lines are less bus incidence matrix is a sparse matrix lines are connected to less no. of buses Y primitive is a sparse matrix ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) No load efficiency of tranformer is _____ than full load efficiency greater same depends on load lesser greater same depends on load lesser 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 kW 400 MW 250 MW 1000 MW 1000 kW 400 MW 250 MW 1000 MW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP SIL = (kV)²/Z₀
GETCO Exam Paper (22-07-2015) Switching surges are power frequency voltage short duration transient voltage high votage DCs high voltage Acs power frequency voltage short duration transient voltage high votage DCs high voltage Acs 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 coercive force and residual magnetism residual magnetism and coercive force Flux and MMF Hysteresis loss and Flux coercive force and residual magnetism residual magnetism and coercive force ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Fast excitation system of the generator will _____ Improve the reactive power control Improve the dynamic stability Improve the power factor Improve the voltage control Improve the reactive power control Improve the dynamic stability Improve the power factor Improve the voltage control ANSWER DOWNLOAD EXAMIANS APP
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