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 840 Ω 400 Ω 210 Ω 420 Ω 840 Ω 400 Ω 210 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of inductance used for compensation of arcing grounds is 3/ω²C 1/3ω²C 3ω²C ω²C/3 3/ω²C 1/3ω²C 3ω²C ω²C/3 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 100 MVA 500 MVA 125 MVA 400 MVA 100 MVA 500 MVA 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. motor. generator. transformer and transmission lines. none of these. motor. generator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main advantage of the Decoupled Load Flow (DLF) as compared to the NR method is All of these reduced memory requirements in storing the Jacobian elements accuracy is more number of iterations are less All of these reduced memory requirements in storing the Jacobian elements accuracy is more number of iterations are less ANSWER DOWNLOAD EXAMIANS APP
Power Systems Objectives of power system is/are Cost of electrical energy per KWh is to be minimum nether 1 nor 2 both 1 and 2 Rated voltage and frequency has to be supplied to the consumers Cost of electrical energy per KWh is to be minimum nether 1 nor 2 both 1 and 2 Rated voltage and frequency has to be supplied to the consumers ANSWER DOWNLOAD EXAMIANS APP
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