GETCO Exam Paper (22-07-2015) In differential protection scheme, a stabilizing resistance connected to block harmonics increase the current limit increase the relay sensitivity reduce the effect of non identical CTs block harmonics increase the current limit increase the relay sensitivity reduce the effect of non identical CTs ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Hopkinson's test is the test to be carried out on induction motor with synchronous motor induction motor with any DC motor two identical induction motors two identical DC motors induction motor with synchronous motor induction motor with any DC motor two identical induction motors 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) What is the surge impedance loading of 400 kV line with surge impedance given as 160 Ω 1000 MW 400 MW 250 MW 1000 kW 1000 MW 400 MW 250 MW 1000 kW ANSWER EXPLANATION DOWNLOAD EXAMIANS APP SIL = (kV)²/Z₀
GETCO Exam Paper (22-07-2015) The surge impedance loading of the line will _____ if the length of the line is double remains same become half four times double remains same become half four times double ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Surge impedance is independent of length of the line
GETCO Exam Paper (22-07-2015) Steady state stability of a power system is improved by using double circuit line instead of single circuit line decreasing generator inertia by fast switching reducing fault clearing time using double circuit line instead of single circuit line decreasing generator inertia by fast switching reducing fault clearing time ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) To find the most accurate values of resistance and inductance of the transmission line End condenser configuration is used Distributed parameter configuration used T configuration is used Pi configuration is used End condenser configuration is used Distributed parameter configuration used T configuration is used Pi configuration is used ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS