Power Systems For n bus power system size of Y bus matrix is n×n (n-2)×(n-2) (n-1)×(n-2) (n-1)×(n-1) n×n (n-2)×(n-2) (n-1)×(n-2) (n-1)×(n-1) ANSWER DOWNLOAD EXAMIANS APP
Power Systems The load duration curve for a system is 8 hours 30 MW, 16 hours 25 MW and 24 hours 20 MW. The load factor will be 0.25. 0.83. 1.3. 0.44. 0.25. 0.83. 1.3. 0.44. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earthing switch is used for discharging residual energies protection of equipment from ground faults measuring of safety voltage All of these discharging residual energies protection of equipment from ground faults measuring of safety voltage All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conductor of a 10 Km long single phase, two wire line are separated by a distance of 1.5 m the diameter of each conductor the inductance of the circuit is 23.33 mH. 21.2 mH. 23.8 mH. 25.8 mH. 23.33 mH. 21.2 mH. 23.8 mH. 25.8 mH. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the load is short circuited, then reflection coefficient of voltage is -1 0 1 -2 -1 0 1 -2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The neutral of 10 MVA, 11 kV alternator is earthed through a resistance of 5 ohms. The fault ready is set to operate at 0.75 A. The current transformers have a ratio of 1000/5. What is the percentage of the alternator winding is protected? 15% 88.2% 85% 11.8% 15% 88.2% 85% 11.8% ANSWER DOWNLOAD EXAMIANS APP