Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 0.5 F 4 F 1 F 2 F 0.5 F 4 F 1 F 2 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the stator faults? Inter phase faults over current failure of excitation All of these Inter phase faults over current failure of excitation All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a power system with negligible resistance, the fault current at a point is 8.00 pu. The series reactance is to be included at the fault point to limit the short circuit. current to 5.00 pu is 0.200 pu. 0.125 pu. 3.000 pu. 0.075 pu. 0.200 pu. 0.125 pu. 3.000 pu. 0.075 pu. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The total number of strands in a ACSR conductor are 7, then find the layer number? 7 3 5 2 7 3 5 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A generator has reactances of sub transient (X")= 0.5 pu, transient (X') = 0.8 pu and synchronous reactance (X) = 5 pu. The voltages at these reactances are 1.2 V, 1.1 V and 1 V respectively. Find the corresponding sub transient fault current in pu? 3.975 pu 0.2 pu 1.375 pu 2.4 pu 3.975 pu 0.2 pu 1.375 pu 2.4 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems For 66 kV lines the number of insulator discs of each 11 kV used are 6 5 3 12 6 5 3 12 ANSWER DOWNLOAD EXAMIANS APP
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