Power Systems Which of the following relays is/are unit protection relays? both 1 and 2 over current relays Buccholz relays Differential relays both 1 and 2 over current relays Buccholz relays Differential relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stability of a transmission line can be increased by shunt reactor both 1 and 2 series capacitor shunt capacitor shunt reactor both 1 and 2 series capacitor shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems An ACSR conductor has a diameter of 2 cm has internal inductance of 0.05 mH/Km. If this ACSR is replaced with another having a diameter of 4 cm then its internal inductance is 0.1 mH/Km 0.05 mH/Km 0.025 mH/Km 0 mH/Km 0.1 mH/Km 0.05 mH/Km 0.025 mH/Km 0 mH/Km ANSWER DOWNLOAD EXAMIANS APP
Power Systems Example of base load stations are gas turbine. hydro. both A and B. thermal. gas turbine. hydro. both A and B. thermal. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If a generator of 250 MVA rating has an inertia constant of 6 MJ/MVA, its inertia constant on 100 MVA base is 10.5 MJ/MVA 2.5 MJ/MVA 15 MJ/MVA 6 MJ/MVA 10.5 MJ/MVA 2.5 MJ/MVA 15 MJ/MVA 6 MJ/MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 420 Ω 840 Ω 400 Ω 210 Ω 420 Ω 840 Ω 400 Ω 210 Ω ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS