Power Systems Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer? delta-star star-delta delta-delta star-star delta-star star-delta delta-delta star-star ANSWER DOWNLOAD EXAMIANS APP
Power Systems Example of base load stations are both A and B. hydro. thermal. gas turbine. both A and B. hydro. thermal. gas turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 66 kV lines the number of insulator discs of each 11 kV used are 3 12 5 6 3 12 5 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? Synchronous line Asynchronous line both 1 and 2 No need of same frequency for exchange of power Synchronous line Asynchronous line both 1 and 2 No need of same frequency for exchange of power ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.1 pu 0.4 pu 0.5 pu 0.2 pu 0.1 pu 0.4 pu 0.5 pu 0.2 pu 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? Δ-Δ connection Y-Y connection Y-Δ connection Δ-Y connection Δ-Δ connection Y-Y connection Y-Δ connection Δ-Y connection ANSWER DOWNLOAD EXAMIANS APP