Power Systems A transmission line has self and mutual impedances of 0.8 pu and 0.2 pu. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.6, 0.8 and 1.2 pu 0.8, 0.8 and 1.2 pu 0.8, 0.6 and 1.2 pu 0.6, 0.6 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The total number of strands(N) is concentrically stranded cable with total annular space filled with strands of uniform diameter is given by (if x is number of layers) N = 3x²-6x+1 N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²+3x+1 N = 3x²-6x+1 N = 3x²-2x+1 N = 3x²-3x+1 N = 3x²+3x+1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor immersed in water pool. encased thick metal wall. isolated from outside word with strong magnetic field. encased by thick concrete wall. immersed in water pool. encased thick metal wall. isolated from outside word with strong magnetic field. encased by thick concrete wall. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of diversity factor is 0 greater than 1 1 less than 1 0 greater than 1 1 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the stator faults? over current All of these Inter phase faults failure of excitation over current All of these Inter phase faults failure of excitation ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power station supplies the peak load of 50 MW, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55 the maximum demand on the station and average load respectively will be 52 MW. 53 MW. 57.5 MW. 51.61 MW. 52 MW. 53 MW. 57.5 MW. 51.61 MW. ANSWER DOWNLOAD EXAMIANS APP
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