Power Systems The per unit impedance Z(pu) is given by ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/(KV)²b ZΩ* (kVA)b/(KV)²b ZΩ* (MVA)b/((KV)²b *100) ZΩ* (MVA)b*100/(KV)²b ZΩ* (MVA)b/(KV)²b ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following matrix is used for load flow studies? Y bus matrix Z bus matrix Unit matrix null matrix Y bus matrix Z bus matrix Unit matrix null matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is 8 MJ 50 MJ 200 MJ 400 MJ 8 MJ 50 MJ 200 MJ 400 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems The skin effect of conductor will increase when diameter decrease frequency decrease resistivity decrease All of these diameter decrease frequency decrease resistivity decrease All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems An hydro-graph indicates All of these the average run off during the period. the maximum and minimum run off during the period. the discharge at any time during the period under consideration. All of these the average run off during the period. the maximum and minimum run off during the period. the discharge at any time during the period under consideration. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead -6.92% -10% 10% 6.92% -6.92% -10% 10% 6.92% ANSWER DOWNLOAD EXAMIANS APP
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