Power Systems Normally Z bus matrix is a unit matrix sparse matrix full matrix null matrix unit matrix sparse matrix full matrix null matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station has a maximum demand of 15000 kW. The annual load factor is 50% and plant capacity factor is 40%. What is the reserve capacity of the plant? 3750 kW 6000 kW 3000 kW 7500 kW 3750 kW 6000 kW 3000 kW 7500 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.25 pu 0.05 pu 0.45 pu 0.15 pu 0.25 pu 0.05 pu 0.45 pu 0.15 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 400 MJ 50 MJ 200 MJ 8 MJ 400 MJ 50 MJ 200 MJ 8 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems What will be the thermal efficiency of a 240 V, 1000 W electric kettle if it brings 2 liters of water at 15° C to boiling point 15 Minutes 80.25 %. 78.96 %. 79.33 %. 74.56 %. 80.25 %. 78.96 %. 79.33 %. 74.56 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows : Ipositive = j1.5 pu, Inegative = − j0.5 pu, Izero = − j pu Which fault is this? LL. LG. LLLG. LLG. LL. LG. LLLG. LLG. ANSWER DOWNLOAD EXAMIANS APP
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