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 400 Ω 210 Ω 840 Ω 420 Ω 400 Ω 210 Ω 840 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 20 MVA generator has inertia constant of 0.5 pu. Find new value for 50 MVA base? 0.5 pu 0.4 pu 0.1 pu 0.2 pu 0.5 pu 0.4 pu 0.1 pu 0.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for maximum voltage regulation cosφ = X/R cosφ = R/X tanφ = X/R tanφ = R/X cosφ = X/R cosφ = R/X tanφ = X/R tanφ = R/X ANSWER DOWNLOAD EXAMIANS APP
Power Systems Fault calculations using computer are usually done by None of these either 1 or 2 Y bus method Z bus method None of these either 1 or 2 Y bus method Z bus method ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of diversity factor is less than 1 greater than 1 1 0 less than 1 greater than 1 1 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 400 Ω 800 Ω 160 Ω 200 Ω 400 Ω 800 Ω 160 Ω 200 Ω ANSWER DOWNLOAD EXAMIANS APP
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