Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / star. ground star / delta. delta / delta. star / grounded star. delta / star. ground star / delta. delta / delta. star / grounded star. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm sinωt? 1.47 msec 4.68 msec 9.68 msec 2.63 msec 1.47 msec 4.68 msec 9.68 msec 2.63 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems Apart from the skin effect the non uniformity of the current distribution is also caused by bundled conductors All of these ferranti effect proximity effect bundled conductors All of these ferranti effect proximity effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflection coefficient of voltage is Rv (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) (Zl - Zs)/(Zs + Zl) 2Zl/(Zs + Zl) 2Zs/(Zs + Zl) (Zs - Zl)/(Zs + Zl) ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1-phase transmission line has an impedance (4 + 3j ) Ω. Find the power factor of the load for zero voltage regulation? 0.6 lag 0.8 lead 0.6 lead 0.8 lag 0.6 lag 0.8 lead 0.6 lead 0.8 lag ANSWER DOWNLOAD EXAMIANS APP
Power Systems Gas turbine power plants for maximum efficient may have Multistage compression. Reheating. All of above. Heat exchangers. Multistage compression. Reheating. All of above. Heat exchangers. ANSWER DOWNLOAD EXAMIANS APP