GETCO Exam Paper (22-07-2015) The insulation strength of an EHV transmission line is mainly governed by Corona Switching over voltages Harmonics Load power factor Corona Switching over voltages Harmonics Load power factor ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Shunt capacitors in a substation delivers lagging VAR consumes lagging VAR deliver active power consume active power delivers lagging VAR consumes lagging VAR deliver active power consume active power ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Steady state stability of a power system is improved by reducing fault clearing time by fast switching decreasing generator inertia using double circuit line instead of single circuit line reducing fault clearing time by fast switching decreasing generator inertia using double circuit line instead of single circuit line ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Who was the political Guru of Netaji? Sardar Patel Lokmanya Tilak Gokhle R. Das Sardar Patel Lokmanya Tilak Gokhle R. Das ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The relay which is most sensitive to power swings (mal operation) is Reactance Relay Mho Relay Impedance Relay Over current Relay Reactance Relay Mho Relay Impedance Relay Over current Relay ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 7\8 6\7 5\6 2\3 7\8 6\7 5\6 2\3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP fractional pitch = Cos( α/2)α is obtain from: (nα/2)=90˚ where n is harmonicα=25.7143˚fractional pitch=6/7
EXAMIANS