Power Systems A 3 layer and diameter of each strand is d, then find the total diameter of ACSR conductor? 3d 5d 2d d 3d 5d 2d d 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? LL LLL LG LLG LL LLL LG LLG ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation series capacitor All of these shunt capacitor generation excitation control series capacitor All of these shunt capacitor generation excitation control ANSWER DOWNLOAD EXAMIANS APP
Power Systems A buchholz relay is used for protection of a transformer against all external faults both 1 and 2 nether 1 nor 2 protection of a transformer against all internal faults protection of a transformer against all external faults both 1 and 2 nether 1 nor 2 protection of a transformer against all internal faults 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 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 840 Ω 400 Ω 210 Ω 420 Ω 840 Ω 400 Ω 210 Ω 420 Ω ANSWER DOWNLOAD EXAMIANS APP
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