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? 102.5 105.2 95.5 85.5 102.5 105.2 95.5 85.5 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Units of incremental cost is MWhr/Rs Rs/MWhr Rs/hr RsMW/hr MWhr/Rs Rs/MWhr Rs/hr RsMW/hr ANSWER DOWNLOAD EXAMIANS APP
Power Systems The method of neutral grounding affects the zero sequence network negative sequence network All of these positive sequence network zero sequence network negative sequence network All of these positive sequence network ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are used as load frequency control most economical as a peak load supply plant All of these operating time is minimum used as load frequency control most economical as a peak load supply plant All of these operating time is minimum ANSWER DOWNLOAD EXAMIANS APP
Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Y-Y connection Δ-Y connection Δ-Δ connection Y-Δ connection Y-Y connection Δ-Y connection Δ-Δ connection Y-Δ connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive (Z1), negative (Z2) and zero sequence (Z0) impedances of a transmission line follows the relation (Z1 = Z2) > Z0 Z1 = Z2 = Z0 (Z1 = Z2) < Z0 any of the above (Z1 = Z2) > Z0 Z1 = Z2 = Z0 (Z1 = Z2) < Z0 any of the above ANSWER DOWNLOAD EXAMIANS APP
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