Power Systems Phase shift occurs due to which of the following components? capacitance inductance conductance both 1 and 2 capacitance inductance conductance both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of per unit system is/are Need of transformation ratio It has units for all quantities All of these No units for any quantity Need of transformation ratio It has units for all quantities All of these No units for any quantity ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following decides the insulation level of 400 kV, EHV line? radio interference lighting voltage switching over voltage skin effect radio interference lighting voltage switching over voltage skin effect ANSWER DOWNLOAD EXAMIANS APP
Power Systems The ABCD constants of a 3-phase transmission line are A = D = 0.8∠1°, B = 170∠85° Ω , C = 0.002∠90.4° ℧. The sending end voltage is 400 kV. The receiving end voltage under no load condition is 400 kV 500 kV 350 kV 600 kV 400 kV 500 kV 350 kV 600 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulator thickness on the conductor, in cables depends upon reactive power voltage power factor current reactive power voltage power factor current 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 1 and 3 pu 3 and 1 pu 2 and 2 pu 2 and 5 pu 1 and 3 pu 3 and 1 pu 2 and 2 pu ANSWER DOWNLOAD EXAMIANS APP
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