Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.5 pu 0.2 pu 0.4 pu 0.1 pu 0.5 pu 0.2 pu 0.4 pu 0.1 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical disruptive voltage is a voltage at which nether 1 nor 2 both 1 and 2 corona is visible with blue or violet colour corona is just initiated nether 1 nor 2 both 1 and 2 corona is visible with blue or violet colour corona is just initiated 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? 0.25 pu 5 pu 1 pu 0.2 pu 0.25 pu 5 pu 1 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 - Φ, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 s. The symmetrical breaking current is 3600 A. 35 kA. 104.8 kA. 1200 A. 3600 A. 35 kA. 104.8 kA. 1200 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A cable has inductance of 0.22 mH per km and capacitance of 0.202 µF per km. The surge impedance of the cable is 33 Ω 28 Ω 52 Ω 40 Ω 33 Ω 28 Ω 52 Ω 40 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems On a power system network the load is increasing represents the value of impedance remains constant. increase. none of above. decrease. remains constant. increase. none of above. decrease. ANSWER DOWNLOAD EXAMIANS APP