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 1 gets over load

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

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Electrical Machines
Brushes are always placed on--------------- , in order to achieve sparkles commutation?

either GNA or MNA

None of these

GNA

MNA

either GNA or MNA

None of these

GNA

MNA

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Electrical Machines
Armature coil is short circuited by brushes when it lies

along field axis.

in none of above positions.

along neutral axis.

in any of above positions.

along field axis.

in none of above positions.

along neutral axis.

in any of above positions.

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Electrical Machines
In a resistance split phase motor, what is the range of torque angle?

70° to 85°

25° to 30°

90°

0°

70° to 85°

25° to 30°

90°

0°

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Electrical Machines
In a transformer zero voltage regulation is achieved at a load power factor which is

unity

zero

lagging

leading

unity

zero

lagging

leading

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Electrical Machines
The direction of rotation of a DC motor can be determent by

Flemings right hand rule.

Amperes law.

Lenzs law.

Flemings left hand rule.

Flemings right hand rule.

Amperes law.

Lenzs law.

Flemings left hand rule.

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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 Brushes are always placed on--------------- , in order to achieve sparkles commutation?

Electrical Machines Armature coil is short circuited by brushes when it lies

Electrical Machines In a resistance split phase motor, what is the range of torque angle?

Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is

Electrical Machines The direction of rotation of a DC motor can be determent by

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
Brushes are always placed on--------------- , in order to achieve sparkles commutation?

Electrical Machines
Armature coil is short circuited by brushes when it lies

Electrical Machines
In a resistance split phase motor, what is the range of torque angle?

Electrical Machines
In a transformer zero voltage regulation is achieved at a load power factor which is

Electrical Machines
The direction of rotation of a DC motor can be determent by