Power Systems The main objectives of electrical power transmission is/are Transmission system must be more efficient with minimum line losses both 1 and 2 nether 1 nor 2 Voltage regulation of the transmission line must be zero or minimum Transmission system must be more efficient with minimum line losses both 1 and 2 nether 1 nor 2 Voltage regulation of the transmission line must be zero or minimum ANSWER DOWNLOAD EXAMIANS APP
Power Systems Direct conversion of heat energy into electrical energy is possible through Fuel or solar cell. Both A and C. Thermal converters. MHD generator. Fuel or solar cell. Both A and C. Thermal converters. MHD generator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of modern EHV is designed based on switching voltage. RI. lightning voltage. corona. switching voltage. RI. lightning voltage. corona. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? Asynchronous line both 1 and 2 No need of same frequency for exchange of power Synchronous line Asynchronous line both 1 and 2 No need of same frequency for exchange of power Synchronous line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is 125 MVA 400 MVA 500 MVA 100 MVA 125 MVA 400 MVA 500 MVA 100 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 420 Ω 400 Ω 840 Ω 210 Ω 420 Ω 400 Ω 840 Ω 210 Ω ANSWER DOWNLOAD EXAMIANS APP