Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (0.5 + j1 ) pu (4 + j8 ) pu (1 + j2 ) pu (2 + j4 ) pu (0.5 + j1 ) pu (4 + j8 ) pu (1 + j2 ) pu (2 + j4 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following effects are associated with transmission line corona effect skin effect ferranti effect All of these corona effect skin effect ferranti effect All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If we increase the spacing between the phase conductors, the value of line inductance increase decrease remains unaffected None of these increase decrease remains unaffected None of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are advantages of N-R method? Time taken for each iteration is less both 1 and 2 Applicable for large power system network Number of iterations are less Time taken for each iteration is less both 1 and 2 Applicable for large power system network Number of iterations are less ANSWER DOWNLOAD EXAMIANS APP
Power Systems Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively? 2 and 5 pu 3 and 1 pu 1 and 3 pu 2 and 2 pu 2 and 5 pu 3 and 1 pu 1 and 3 pu 2 and 2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.45 pu 0.05 pu 0.25 pu 0.15 pu 0.45 pu 0.05 pu 0.25 pu 0.15 pu ANSWER DOWNLOAD EXAMIANS APP
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