Power Systems Which of the following statements is/are true? In case of parallel transmission lines fault current increases fault current reduces both 1 and 3 stability increases fault current increases fault current reduces both 1 and 3 stability increases ANSWER DOWNLOAD EXAMIANS APP
Power Systems The VSWR of transmission line is Directly proportional to load impedance and inversely to characteristic impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. Proportional to load and characteristic impedance. Directly proportional to characteristic impedance and inversely to load impedance. Directly proportional to load impedance and inversely to characteristic impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. Proportional to load and characteristic impedance. Directly proportional to characteristic impedance and inversely to load impedance. 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 A fault occurring at the terminals of an unloaded synchronous generator operating at its rated voltage has resulted in the following values of currents and voltages. IR0 = j 2.37 pu IR1 = -j 3.05 pu IR2 = j 0.68 pu VR0 = VR1 = VR2 = 0.237 pu. Which of the following faults has occurred? LLG LL LG LLL LLG LL LG LLL ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following contributes to the Rankine cycle efficiency improvement in a thermal power plant All of these Use of steam for heating of boiler feed water. Reheat of steam an intermediate stages. Use of high pressure. All of these Use of steam for heating of boiler feed water. Reheat of steam an intermediate stages. Use of high pressure. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Phase shift occurs due to which of the following components? capacitance both 1 and 2 conductance inductance capacitance both 1 and 2 conductance inductance ANSWER DOWNLOAD EXAMIANS APP
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