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?

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?

88.2%

15%

85%

11.8%

88.2%

15%

85%

11.8%

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Power Systems
In what from the initial energy will be released for the 200 MeV per fission by a neutron in a slow thermal nuclear reactor

kinetic energy of particles and electromagnetic radiation.

heat energy.

kinetic energy and sound energy.

electromagnetic radiations.

kinetic energy of particles and electromagnetic radiation.

heat energy.

kinetic energy and sound energy.

electromagnetic radiations.

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Power Systems
Deflectors are provided in

Francis turbine.

Pelton wheel.

Kaplan turbine.

propeller turbine.

Francis turbine.

Pelton wheel.

Kaplan turbine.

propeller turbine.

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Power Systems
The factor affecting run off are

amount of vegetation and weather condition in the catchment area.

the topography and nature of soil in the catchment area.

all of above.

rain fall pattern, shape and size of catchment area.

amount of vegetation and weather condition in the catchment area.

the topography and nature of soil in the catchment area.

all of above.

rain fall pattern, shape and size of catchment area.

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Power Systems
Uses of diesel power stations

standby plants.

peak load plant.

emergency plants.

All of these

standby plants.

peak load plant.

emergency plants.

All of these

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Power Systems
What is the correct expression for the electrical power developed by

( 75 / 0.736 ) × WQHη.

( 7 / 75 ) × WQHη.

( 0.763 / 75 ) × WQHη.

75 × 0.736 × WQHη.

( 75 / 0.736 ) × WQHη.

( 7 / 75 ) × WQHη.

( 0.763 / 75 ) × WQHη.

75 × 0.736 × WQHη.

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Power Systems

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?

Power Systems In what from the initial energy will be released for the 200 MeV per fission by a neutron in a slow thermal nuclear reactor

Power Systems Deflectors are provided in

Power Systems The factor affecting run off are

Power Systems Uses of diesel power stations

Power Systems What is the correct expression for the electrical power developed by

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?

Power Systems
In what from the initial energy will be released for the 200 MeV per fission by a neutron in a slow thermal nuclear reactor

Power Systems
Deflectors are provided in

Power Systems
The factor affecting run off are

Power Systems
Uses of diesel power stations

Power Systems
What is the correct expression for the electrical power developed by