GETCO Exam Paper (22-07-2015) "Overshoot" in a time response of control systems is indication of measure of relative stability final value of the output none of this steady state solution measure of relative stability final value of the output none of this steady state solution ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The line current in a three phase unbalanced load are Ir= 4+j6, Ib= 2-j2 and Ic= -3+j2, then zero sequence component of current will be 3 - j6 3 + j6 1 + j2 9 + j10 3 - j6 3 + j6 1 + j2 9 + j10 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The rating of given on the name plate of a transformer indicates the: Apparent power which it draws from the supply mains True power which it can supply True power whichh it draws from the supply mains Apparent power which it can supply Apparent power which it draws from the supply mains True power which it can supply True power whichh it draws from the supply mains Apparent 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) In synchronous motor, V-curve is a graph of 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 Armature current Vs power factor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP v curve: armature current → field currentInverted V curve: power factor → field current
GETCO Exam Paper (22-07-2015) Critical clearing time of a fault in a power system is related to Reactive power limit Short circuit limit Steady state limit Transient stability limit Reactive power limit Short circuit limit Steady state limit Transient stability limit 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? AVR loop response is slower than LFC loop Change in voltage magnitude marginally affects real power angle of the voltage is not considered deference of error is the main reason AVR loop response is slower than LFC loop Change in voltage magnitude marginally affects real power angle of the voltage is not considered deference of error is the main reason ANSWER DOWNLOAD EXAMIANS APP
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