Power Systems Pin insulators are used up to any voltage level 120 kV 33 kV 11 kV any voltage level 120 kV 33 kV 11 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? -0.92 0.56 -0.56 0.92 -0.92 0.56 -0.56 0.92 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection relay provides protection against what? Temperature Over load any of the above Short circuit Temperature Over load any of the above Short circuit ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of electrical power transmission is/are nether 1 nor 2 Transmission system must be more efficient with minimum line losses Voltage regulation of the transmission line must be zero or minimum both 1 and 2 nether 1 nor 2 Transmission system must be more efficient with minimum line losses Voltage regulation of the transmission line must be zero or minimum both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draw back of NR method as compare to Gauss-Seidel method is/are? None of these both 1 and 2 large requirement of computer memory large number of iterations None of these both 1 and 2 large requirement of computer memory large number of iterations ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is cosφ = X/R tanφ = R/X cosφ = R/X tanφ = X/R cosφ = X/R tanφ = R/X cosφ = R/X tanφ = X/R ANSWER DOWNLOAD EXAMIANS APP
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