Power Systems Which of the following relays is/are unit protection relays? Buccholz relays Differential relays both 1 and 2 over current relays Buccholz relays Differential relays both 1 and 2 over current relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is compensated with shunt capacitance Csh. After shunt compensation surge impedance loading will None of these decreases remains unaffected increases None of these decreases remains unaffected increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Example of base load stations are thermal. both A and B. hydro. gas turbine. thermal. both A and B. hydro. gas turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? -0.76 Hz 0.76 Hz -0.85 Hz 0.85 Hz -0.76 Hz 0.76 Hz -0.85 Hz 0.85 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 10 MVA generator has reactance of 0.2 pu. Find the new reactance value for 50 MVA base? 5 pu 0.2 pu 0.25 pu 1 pu 5 pu 0.2 pu 0.25 pu 1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the relation between sub transient (X"), transient (X') and synchronous reactance (X) ? X" < X' > X X" > X' >X X" > X' < X X" < X' < X X" < X' > X X" > X' >X X" > X' < X X" < X' < X ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS