GETCO Exam Paper (22-07-2015) Switching surges are power frequency voltage high votage DCs high voltage Acs short duration transient voltage power frequency voltage high votage DCs high voltage Acs short duration transient voltage ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Mho Relay Reactance Relay Over current Relay Impedance Relay Mho Relay Reactance Relay Over current Relay Impedance Relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The RMS value of the voltage u(t) = 3 + 4 cos(3t) is 7 5 4.12 3 + 2(1.41) 7 5 4.12 3 + 2(1.41) 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) For given kVAR and line voltage the ratio of star to delta value of capacitor is 0.33333333333333 3 1 1.73 0.33333333333333 3 1 1.73 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Hopkinson's test is the test to be carried out on 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 two identical DC motors 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.
GETCO Exam Paper (22-07-2015) The steady state stability of the power systems is most effected by power factor of the load transmission line reactance voltage at generator bus stability of generator power factor of the load transmission line reactance voltage at generator bus stability of generator ANSWER DOWNLOAD EXAMIANS APP
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