Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 2000 Ω 3000 Ω 750 Ω 1500 Ω 2000 Ω 3000 Ω 750 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 100 MVA 200 MVA 500 MVA 400 MVA 100 MVA 200 MVA 500 MVA 400 MVA 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% -6.92% 10% -10% 6.92% -6.92% 10% -10% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of shunt compensation is/are smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation All of these It requires less maintanance smooth voltage regulation is possible by controlling excitation single unit can be used as both capacitance and inductor by adjusting the excitation All of these It requires less maintanance ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main advantage of the Decoupled Load Flow (DLF) as compared to the NR method is reduced memory requirements in storing the Jacobian elements number of iterations are less All of these accuracy is more reduced memory requirements in storing the Jacobian elements number of iterations are less All of these accuracy is more ANSWER DOWNLOAD EXAMIANS APP
Power Systems The fact that current density is higher at the surface when compared to centre is known as proximity effect carona All of these skin effect proximity effect carona All of these skin effect ANSWER DOWNLOAD EXAMIANS APP