Power Systems The insulation of the modern EHV lines is designed based on the switch voltage. corona. R × I. the lighting voltage. the switch voltage. corona. R × I. the lighting voltage. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero? 31.28 kV 29.28 kV 28.28 kV 30.28 kV 31.28 kV 29.28 kV 28.28 kV 30.28 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro power plant of run off river type should be provided with pondage so that the firm capacity of plant is increased. kinetic energy of the running water is fully utilized. operating head is controlled. pressure inside the turbine casing remains. firm capacity of plant is increased. kinetic energy of the running water is fully utilized. operating head is controlled. pressure inside the turbine casing remains. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plant capacity factor value is 1 less than 1 greater than 1 0 1 less than 1 greater than 1 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a pumped storage power plant is operated in conjunction with a steam power plant chances of the tripping of the system decrease All of these the operating cost of the steam plant become optimum load factor of the steam plant is increased chances of the tripping of the system decrease All of these the operating cost of the steam plant become optimum load factor of the steam plant is increased ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power generating station has a maximum demand of 1000 MW. The annual load factor is 75% and plant capacity factor is 60%. Calculate the reserve capacity? 1250 MW 250 MW 750 MW 500 MW 1250 MW 250 MW 750 MW 500 MW ANSWER DOWNLOAD EXAMIANS APP
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