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. 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 identical as 4% 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 respectively

generator 1 gets over load

generator 2 gets over load

230.7 MW and 369.23 MW respectively

200 MW and 400MW respectively

generator 1 gets over load

generator 2 gets over load

230.7 MW and 369.23 MW respectively

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Electrical Machines
In synchronous generator, inverted V curve is drawn between

field current on Y-axis and armature current on X-axis

field current on X-axis and armature current on Y-axis

field current on X-axis and power factor on Y-axis

field current on Y-axis and power factor on X-axis

field current on Y-axis and armature current on X-axis

field current on X-axis and armature current on Y-axis

field current on X-axis and power factor on Y-axis

field current on Y-axis and power factor on X-axis

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Electrical Machines
When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop

synchronous motor torque.

induction generator torque.

DC motor torque.

induction motor torque.

synchronous motor torque.

induction generator torque.

DC motor torque.

induction motor torque.

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Electrical Machines
A slip ring Induction motor runs at 290 rpm at full load, when connected to 50 Hz supply. Determine the number of poles and slip.

P = 50, s = 4.43 %.

P = 60, s = 0.96 %.

P = 40, s = 5.79 %.

P = 20, s = 3.33 %.

P = 50, s = 4.43 %.

P = 60, s = 0.96 %.

P = 40, s = 5.79 %.

P = 20, s = 3.33 %.

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Electrical Machines
In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve

low starting torque.

high efficiency.

quick acceleration.

reduced size.

low starting torque.

high efficiency.

quick acceleration.

reduced size.

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Electrical Machines
What is the speed of stator rotating magnetic field with respect to rotor rotating magnetic field?

Slip speed

None of these

Synchronous speed

Zero

Slip speed

None of these

Synchronous speed

Zero

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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 identical as 4% 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 synchronous generator, inverted V curve is drawn between

Electrical Machines When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop

Electrical Machines A slip ring Induction motor runs at 290 rpm at full load, when connected to 50 Hz supply. Determine the number of poles and slip.

Electrical Machines In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve

Electrical Machines What is the speed of stator rotating magnetic field with respect to rotor rotating magnetic field?

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. How will the machine share, if the load is 600 MW?

Electrical Machines
In synchronous generator, inverted V curve is drawn between

Electrical Machines
When the rotor speed, in a synchronous machine, becomes more than the synchronous speed during hunting, the damper bars develop

Electrical Machines
A slip ring Induction motor runs at 290 rpm at full load, when connected to 50 Hz supply. Determine the number of poles and slip.

Electrical Machines
In a single phase induction motor driving a fan load, the reason for having a high resistance rotor is to achieve

Electrical Machines
What is the speed of stator rotating magnetic field with respect to rotor rotating magnetic field?