Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 105.2 95.5 102.5 85.5 105.2 95.5 102.5 85.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 4*4 Y bus matrix the number of non zero elements are 12. Find the sparsity of the system? 0.25 0.75 0.5 1 0.25 0.75 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most commonly used material for insulators of overhead lines is PVC mica glass porcelain PVC mica glass porcelain ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed ( NS ) of turbine is given by N√( P ) / H1.25. none of these. N√( P ) / H2/3. P√( N ) / H3/2. N√( P ) / H1.25. none of these. N√( P ) / H2/3. P√( N ) / H3/2. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 350 kV 500 kV 600 kV 400 kV 350 kV 500 kV 600 kV 400 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? Due to corona, power loss increases All of these charging current increases interference increases power loss increases All of these charging current increases interference increases ANSWER DOWNLOAD EXAMIANS APP
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