Power Systems A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. If the load factor is 0.8. Find the reserve capacity of the station? 9 MW 10 MW 5 MW 18 MW 9 MW 10 MW 5 MW 18 MW 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? 0.8 lead 0.8 lag 0.6 lead 0.6 lag 0.8 lead 0.8 lag 0.6 lead 0.6 lag ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of electrical power transmission is/are Voltage regulation of the transmission line must be zero or minimum Transmission system must be more efficient with minimum line losses nether 1 nor 2 both 1 and 2 Voltage regulation of the transmission line must be zero or minimum Transmission system must be more efficient with minimum line losses nether 1 nor 2 both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factors does the selection of a water turbine depend Nature of load. All of above. Speed. Working head. Nature of load. All of above. Speed. Working head. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most suitable circuit breaker for short line fault without switching resistor is SF6 breaker. oil circuit breaker. air blast circuit breaker. none of these. SF6 breaker. oil circuit breaker. air blast circuit breaker. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive sequence reactance will be equal to negative sequence if the equipment is transformer and transmission lines. none of these. generator. motor. transformer and transmission lines. none of these. generator. motor. ANSWER DOWNLOAD EXAMIANS APP
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