Power Systems A CT is connected in ___________________ with the line. series. not connected. across. both A and B. series. not connected. across. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following rotor is used in thermal power plants? salient pole rotor squirrel cage rotor cylindrical rotor either of these salient pole rotor squirrel cage rotor cylindrical rotor either of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 86%% 90% 50% 75% 86%% 90% 50% 75% 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 2.4 pu 1.375 pu 3.975 pu 0.2 pu 2.4 pu 1.375 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the time of operation of a relay for unity TMS is 10 sec. the time of operation of 0.5 TMS will be _______________ secs. 7. 5. 20. 3. 7. 5. 20. 3. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Bundled conductors are used for EHV transmission lines primarily for reducing the corona loss surge impedance of the line copper loss voltage drop across the line corona loss surge impedance of the line copper loss voltage drop across the line ANSWER DOWNLOAD EXAMIANS APP
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