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?

None of these

generator 2 gets over load

generator 1 gets over load

200 MW and 400MW

None of these

generator 2 gets over load

generator 1 gets over load

200 MW and 400MW

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Electrical Machines
In normal dc machines operating at full-load conditions, the most powerful electromagnet is

field winding

armature winding

interpole and compensating windings together

interpole winding

field winding

armature winding

interpole and compensating windings together

interpole winding

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Electrical Machines
Which of the following is not a part of transformer?

Radiator.

Conservator tank.

Commutator.

Tap changer.

Radiator.

Conservator tank.

Commutator.

Tap changer.

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Electrical Machines
Open circuit test on transformer gives

eddy current loss

both 1and 2

hysteresis loss

copper loss

eddy current loss

both 1and 2

hysteresis loss

copper loss

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Electrical Machines
Under commutation results in

sparking at the leading edge of the brush.

sparking at the middle of the brush.

sparking the trailing edge of the brush.

no sparking.

sparking at the leading edge of the brush.

sparking at the middle of the brush.

sparking the trailing edge of the brush.

no sparking.

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Electrical Machines
When a short circuit test on a transformer is performed at 25 V, 50 Hz, the drawn current is I1. If the test is performed by 25 V and 25 Hz and power drawn current is I2, then

None of these

I1 < I2

I1 = I2

I1 > I2

None of these

I1 < I2

I1 = I2

I1 > I2

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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 normal dc machines operating at full-load conditions, the most powerful electromagnet is

Electrical Machines Which of the following is not a part of transformer?

Electrical Machines Open circuit test on transformer gives

Electrical Machines Under commutation results in

Electrical Machines When a short circuit test on a transformer is performed at 25 V, 50 Hz, the drawn current is I1. If the test is performed by 25 V and 25 Hz and power drawn current is I2, then

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 normal dc machines operating at full-load conditions, the most powerful electromagnet is

Electrical Machines
Which of the following is not a part of transformer?

Electrical Machines
Open circuit test on transformer gives

Electrical Machines
Under commutation results in

Electrical Machines
When a short circuit test on a transformer is performed at 25 V, 50 Hz, the drawn current is I1. If the test is performed by 25 V and 25 Hz and power drawn current is I2, then