GETCO Exam Paper (22-07-2015) The rating of given on the name plate of a transformer indicates the: Apparent power which it can supply Apparent power which it draws from the supply mains True power whichh it draws from the supply mains True power which it can supply Apparent power which it can supply Apparent power which it draws from the supply mains True power whichh it draws from the supply mains True power which it can supply ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The rating of given on the name plate of a transformer indicates the:Apparent power which it can supply S=V( supplied voltage)*I (load current)active power = v* i*cosφreactive power = v* i*sinφ
GETCO Exam Paper (22-07-2015) What is the surge impedance loading of 400 kV line with surge impedance given as 160 Ω 250 MW 1000 MW 400 MW 1000 kW 250 MW 1000 MW 400 MW 1000 kW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP SIL = (kV)²/Z₀
GETCO Exam Paper (22-07-2015) Earth wire on EHV overhead transmission line is provided to protect the line against excessive fault voltages corona effect lightning surge switching surge excessive fault voltages corona effect lightning surge switching surge ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) To find the most accurate values of resistance and inductance of the transmission line T configuration is used End condenser configuration is used Pi configuration is used Distributed parameter configuration used T configuration is used End condenser configuration is used Pi configuration is used Distributed parameter configuration used ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Switching surges are high votage DCs high voltage Acs power frequency voltage short duration transient voltage high votage DCs high voltage Acs power frequency voltage short duration transient voltage ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) No load efficiency of tranformer is _____ than full load efficiency same greater depends on load lesser same greater depends on load lesser ANSWER DOWNLOAD EXAMIANS APP
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