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

48 Hz

48.5 Hz

45 HZ

50 Hz

48 Hz

48.5 Hz

45 HZ

50 Hz

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Electrical Machines
To eliminate 5th harmonic in the induced voltage phase breadth should be

36°

72°

30°

18°

36°

72°

30°

18°

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Electrical Machines
The principle of operation of a 3 - ÃŽÂ¦ induction motor is almost similar to that of

synchronous motor.

capacitor start induction motor.

transformer with secondary short circuited.

repulsion start induction motor.

synchronous motor.

capacitor start induction motor.

transformer with secondary short circuited.

repulsion start induction motor.

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

Lenz's law.

Fleming's right hand rule.

Ampere law.

Fleming's left hand rule.

Lenz's law.

Fleming's right hand rule.

Ampere law.

Fleming's left hand rule.

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Electrical Machines
Ratio of starting torque to full load torque is minimum in

Shunt motor.

Differential compound motor.

Series motor.

Cumulative compound motor.

Shunt motor.

Differential compound motor.

Series motor.

Cumulative compound motor.

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Electrical Machines
A 4 pole 50 Hz 1-phase induction motor is running at 1470 rpm. Find the forward and backward slips?

0.04, 0.96

0.02, 0.98

0.02, 1.98

0.04, 1.96

0.04, 0.96

0.02, 0.98

0.02, 1.98

0.04, 1.96

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Electrical Machines

Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be

Electrical Machines The principle of operation of a 3 - ÃŽÂ¦ induction motor is almost similar to that of

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

Electrical Machines Ratio of starting torque to full load torque is minimum in

Electrical Machines A 4 pole 50 Hz 1-phase induction motor is running at 1470 rpm. Find the forward and backward slips?

Electrical Machines
To eliminate 5th harmonic in the induced voltage phase breadth should be

Electrical Machines
The principle of operation of a 3 - ÃŽÂ¦ induction motor is almost similar to that of

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

Electrical Machines
Ratio of starting torque to full load torque is minimum in

Electrical Machines
A 4 pole 50 Hz 1-phase induction motor is running at 1470 rpm. Find the forward and backward slips?