Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 21 13 20 10 21 13 20 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation any of the above (Z1 = Z2) > Z0 Z1 = Z2 = Z0 (Z1 = Z2) < Z0 any of the above (Z1 = Z2) > Z0 Z1 = Z2 = Z0 (Z1 = Z2) < Z0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For symmetrical network, the neutral current is zero any of the above infinity maximum zero any of the above infinity maximum ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes is Kaplan. Pelton. Impeller. Francis. Kaplan. Pelton. Impeller. Francis. 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 number of iterations are less reduced memory requirements in storing the Jacobian elements accuracy is more All of these number of iterations are less reduced memory requirements in storing the Jacobian elements accuracy is more ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? 50 Hz 0.48 Hz -0.52 Hz 0.52 Hz 50 Hz 0.48 Hz -0.52 Hz 0.52 Hz ANSWER DOWNLOAD EXAMIANS APP
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