Power Systems The use of high speed circuit breakers decrease system stability. increased the short circuit current. reduces the short circuit current. improves system stability. decrease system stability. increased the short circuit current. reduces the short circuit current. improves system stability. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Condition for zero voltage regulation is 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 When series reactor is used in generating stations, the fault current magnitude is any of the above remains unaffected reduced increased any of the above remains unaffected reduced increased ANSWER DOWNLOAD EXAMIANS APP
Power Systems The main objectives of electrical power transmission is/are 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 nether 1 nor 2 Transmission system must be more efficient with minimum line losses ANSWER DOWNLOAD EXAMIANS APP
Power Systems An isolated synchronous generator with transient reactance equal to 0.1 pu on a 100 MVA base is connected to the high voltage bus through a step up transformer of reactance 0.1 pu on a 100 MVA base. The fault level at the bus is 200 MVA 500 MVA 100 MVA 400 MVA 200 MVA 500 MVA 100 MVA 400 MVA ANSWER DOWNLOAD EXAMIANS APP
Power Systems Length of short transmission line is up to 80 km 150 km 40 km any of the above 80 km 150 km 40 km any of the above ANSWER DOWNLOAD EXAMIANS APP
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