GETCO Exam Paper (22-07-2015) The steady state stability of the power systems is most effected by transmission line reactance stability of generator power factor of the load voltage at generator bus transmission line reactance stability of generator power factor of the load voltage at generator bus ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Fast excitation system of the generator will _____ Improve the voltage control Improve the power factor Improve the dynamic stability Improve the reactive power control Improve the voltage control Improve the power factor Improve the dynamic stability Improve the reactive power control ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 3 + 2(1.41) 7 5 4.12 3 + 2(1.41) 7 5 4.12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP if voltage is given by,v(t) = V₀ + V₁ cos(3t) + V₂ cos(5t)+ …RMS value is given by,√( V₀² + (V₁/√2)² + (V₂/√2)² + …)
GETCO Exam Paper (22-07-2015) In synchronous motor, V-curve is a graph of Armature current Vs Field current Armature current Vs reactive power Armature current Vs active power Armature current Vs power factor Armature current Vs Field current Armature current Vs reactive power Armature current Vs active power 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) Oil is mostly _____ by trucks in India transport transfer deliver transmit transport transfer deliver transmit ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Hopkinson's test is the test to be carried out on two identical DC motors induction motor with any DC motor two identical induction motors induction motor with synchronous motor two identical DC motors induction motor with any DC motor two identical induction motors induction motor with synchronous motor ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In hopkinson test known as regenerative testtwo identical machine coupledD.C shunt motorD.C shunt generatortemperature rise can be check under rated conditionlarge machine can be tested without drawing much power.
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