Power Systems Which of the following statements is/are true regarding HVDC? HVDC can utilize earth for its return path Corona loss is very much reduced in the dc line There is no skin effect in dc line All of these HVDC can utilize earth for its return path Corona loss is very much reduced in the dc line There is no skin effect in dc line All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a line is increased by which of the following compensation methods? series capacitor shunt reactor shunt capacitor both 1 and 2 series capacitor shunt reactor shunt capacitor both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Installation of capacitors at suitable locations and of optimum size in a distribution system results in reduction in distribution power loss improved voltage regulation All of these reduction of KVA rating of distribution transformers reduction in distribution power loss improved voltage regulation All of these reduction of KVA rating of distribution transformers ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (4 + 3j ) Ω. Find the power factor of the load for zero voltage regulation? 0.6 lag 0.8 lag 0.8 lead 0.6 lead 0.6 lag 0.8 lag 0.8 lead 0.6 lead ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a short circuit test circuit breaker, time to reach the peak re-striking voltage 60 microsecond & the peak re-striking voltage 120 kV. Determine average RRRV (Rate of rise re-striking voltage)? 1 × 106 kV / sec. 3.5 × 106 kV / sec. 3 × 106 kV / sec. 2 × 106 kV / sec. 1 × 106 kV / sec. 3.5 × 106 kV / sec. 3 × 106 kV / sec. 2 × 106 kV / sec. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The total number of strands in a ACSR conductor are 7, then find the layer number? 2 5 7 3 2 5 7 3 ANSWER DOWNLOAD EXAMIANS APP
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