Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 100, 10 4, 10 4, 0.4 100, 0.4 100, 10 4, 10 4, 0.4 100, 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Units of incremental cost is MWhr/Rs Rs/MWhr Rs/hr RsMW/hr MWhr/Rs Rs/MWhr Rs/hr RsMW/hr ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because nether 1 nor 2 short circuit currents are greatly out of phase with load currents short circuit currents are much larger than load currents both 1 and 2 nether 1 nor 2 short circuit currents are greatly out of phase with load currents short circuit currents are much larger than load currents both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 25060 J. 23060 J. 20060 J. 20160 J. 25060 J. 23060 J. 20060 J. 20160 J. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The economics of power plant is greatly influenced by load factor nether 1 nor 2 diversity factor both 1 and 2 load factor nether 1 nor 2 diversity factor both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is 12.5 A 10 A 15 A 6.25 A 12.5 A 10 A 15 A 6.25 A ANSWER DOWNLOAD EXAMIANS APP
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