Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are 4% and 5% from no load to full load. Consider the governors operating at 50Hz on no load. How will the machine share, if the load is 600 MW?

Electrical Machines
Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are 4% and 5% from no load to full load. Consider the governors operating at 50Hz on no load. How will the machine share, if the load is 600 MW?

200 MW and 400MW

generator 2 gets over load

None of these

generator 1 gets over load

200 MW and 400MW

generator 2 gets over load

None of these

generator 1 gets over load

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Electrical Machines
In circle diagram for induction motor, diameter of circle represents which of the following ?

Running torque.

Line voltage.

Slip.

Rotor current.

Running torque.

Line voltage.

Slip.

Rotor current.

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Electrical Machines
Stepper motor is used in

computer printers

traction

food processing

All of these

computer printers

traction

food processing

All of these

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Electrical Machines
When the armature current of 5 Amp is flowing through the dc motor the torque produced is 47 Nm. Keeping the speed constant if the armature current is increased to 7 amp, calculate the new torque. Assume losses to be constant.

65.8 Nm.

74 Nm.

38.5 Nm.

27.73 Nm .

65.8 Nm.

74 Nm.

38.5 Nm.

27.73 Nm .

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Electrical Machines
Two transformers with identical rating, are designed with flux densities of 1.2 and 1.4 Wb / m2 respectively. The weight of first transformer per kVA is

more than that of second transformer.

equal to that of second transformer.

less than that of second transformer.

none of these.

more than that of second transformer.

equal to that of second transformer.

less than that of second transformer.

none of these.

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Electrical Machines
The DC compound motors are generally

None of these.

Differentical compound.

Cummulative compound.

Level Compound.

None of these.

Differentical compound.

Cummulative compound.

Level Compound.

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Electrical Machines

Electrical Machines Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are 4% and 5% from no load to full load. Consider the governors operating at 50Hz on no load. How will the machine share, if the load is 600 MW?

Electrical Machines In circle diagram for induction motor, diameter of circle represents which of the following ?

Electrical Machines Stepper motor is used in

Electrical Machines When the armature current of 5 Amp is flowing through the dc motor the torque produced is 47 Nm. Keeping the speed constant if the armature current is increased to 7 amp, calculate the new torque. Assume losses to be constant.

Electrical Machines Two transformers with identical rating, are designed with flux densities of 1.2 and 1.4 Wb / m2 respectively. The weight of first transformer per kVA is

Electrical Machines The DC compound motors are generally

Electrical Machines
Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are 4% and 5% from no load to full load. Consider the governors operating at 50Hz on no load. How will the machine share, if the load is 600 MW?

Electrical Machines
In circle diagram for induction motor, diameter of circle represents which of the following ?

Electrical Machines
Stepper motor is used in

Electrical Machines
When the armature current of 5 Amp is flowing through the dc motor the torque produced is 47 Nm. Keeping the speed constant if the armature current is increased to 7 amp, calculate the new torque. Assume losses to be constant.

Electrical Machines
Two transformers with identical rating, are designed with flux densities of 1.2 and 1.4 Wb / m2 respectively. The weight of first transformer per kVA is

Electrical Machines
The DC compound motors are generally