GETCO Exam Paper (22-07-2015) An over-current relay of current rating 5 A and setting 150% is connected to a 200/5 A CT. Then the relay to pickup, the line current required is 200 150 300 100 200 150 300 100 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The insulation strength of an EHV transmission line is mainly governed by Switching over voltages Load power factor Harmonics Corona Switching over voltages Load power factor Harmonics Corona ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In a given current transformer, If permissible current ratio error rated primary current is 5% the CT is suitable for both measuring and protection measuring purpose protection purpose as power transformer both measuring and protection measuring purpose protection purpose as power transformer ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Shunt compensation in EHV line is resorted to Improve the stability Improve voltage profile Increase line impedance Reduce the fault level Improve the stability Improve voltage profile Increase line impedance Reduce the fault level ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Fast excitation system of the generator will _____ 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 Improve the reactive power control ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is a reason to decouple AVR and LFC loops when there is a shortage of reactive power? Change in voltage magnitude marginally affects real power deference of error is the main reason AVR loop response is slower than LFC loop angle of the voltage is not considered Change in voltage magnitude marginally affects real power deference of error is the main reason AVR loop response is slower than LFC loop angle of the voltage is not considered ANSWER DOWNLOAD EXAMIANS APP
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