Power Systems To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have? Y-Δ connection Y-Y connection Δ-Δ connection Δ-Y connection Y-Δ connection Y-Y connection Δ-Δ connection Δ-Y connection ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV? 0.25 0.05 0.025 0.02 0.25 0.05 0.025 0.02 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For a fixed value of complex power flow in a transmission line having a sending end voltage V, the real power loss will be proportional to V2. 1 / V2. V. 1 / V. V2. 1 / V2. V. 1 / V. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main advantage of the Decoupled Load Flow (DLF) as compared to the NR method is All of these number of iterations are less accuracy is more reduced memory requirements in storing the Jacobian elements All of these number of iterations are less accuracy is more reduced memory requirements in storing the Jacobian elements ANSWER DOWNLOAD EXAMIANS APP
Power Systems The commercial sources of energy are solar, wind, biomass. wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. none of above. solar, wind, biomass. wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantage/s of per unit system as compare to absolute system? memory required is less only one equation is required All of these calculation time is less memory required is less only one equation is required All of these calculation time is less ANSWER DOWNLOAD EXAMIANS APP