Power Systems In a 4 bus,4×4 Y bus matrix the number of non zero elements are 12. Find the number of transmission lines? 4 8 2 5 4 8 2 5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (3+4j) Ω . Find the power factor of the load for achieving maximum and zero voltage regulation? 0.6 lag and 0.6 lead 0.8 lag and 0.6 lead 0.8 lag and 0.8 lead 0.6 lag and 0.8 lead 0.6 lag and 0.6 lead 0.8 lag and 0.6 lead 0.8 lag and 0.8 lead 0.6 lag and 0.8 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems As the frequency of the system is increased, the charging MVAR remains unaffected None of these decreases increases remains unaffected None of these decreases increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load current in short circuit calculations are neglected because nether 1 nor 2 both 1 and 2 short circuit currents are much larger than load currents short circuit currents are greatly out of phase with load currents nether 1 nor 2 both 1 and 2 short circuit currents are much larger than load currents short circuit currents are greatly out of phase with load currents ANSWER DOWNLOAD EXAMIANS APP
Power Systems What type of back up protection is used for alternators? Impedance relay. Buchholz relay. Mho relay. IDMT relay. Impedance relay. Buchholz relay. Mho relay. IDMT relay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows: IR1 = j1.5 pu, IR2 = -j0.5 pu, IR0 = -j1. The type of fault is LLL LLG LL LG LLL LLG LL LG ANSWER DOWNLOAD EXAMIANS APP
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