Power Systems Counter poise is used for reduce losses more surge impedance less surge impedance proper discharging of lighting surges reduce losses more surge impedance less surge impedance proper discharging of lighting surges 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? 3 and 1 pu 2 and 5 pu 2 and 2 pu 1 and 3 pu 3 and 1 pu 2 and 5 pu 2 and 2 pu 1 and 3 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? 0.85 Hz 0.76 Hz -0.85 Hz -0.76 Hz 0.85 Hz 0.76 Hz -0.85 Hz -0.76 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Installation of capacitors at suitable locations and of optimum size in a distribution system results in reduction in distribution power loss reduction of KVA rating of distribution transformers improved voltage regulation All of these reduction in distribution power loss reduction of KVA rating of distribution transformers improved voltage regulation All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Generation of of one watt needs about ______________ fission per second 3.1 × 107. 3.1 × 106. 3.1. 3.1 × 1010. 3.1 × 107. 3.1 × 106. 3.1. 3.1 × 1010. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 66 kV lines the number of insulator discs of each 11 kV used are 12 6 5 3 12 6 5 3 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS