A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point.

Electrical Machines
A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point.

43 Amp.

44.47 Amp.

33.33 Amp.

29 Amp.

43 Amp.

44.47 Amp.

33.33 Amp.

29 Amp.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a synchronous motor hunting can be reduced to minimum possible by

using a flywheel.

providing damper winding in the rotor pole faces.

any of above methods.

designing the motor for adequate synchronizing power.

using a flywheel.

providing damper winding in the rotor pole faces.

any of above methods.

designing the motor for adequate synchronizing power.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
When operating, two or more transformers in parallel, % impedance of these transformers should be

inversely proportional to MVA rating of transformers.

same.

proportionate to MVA rating of transformers.

such that actual impedance of all transformers would be same.

inversely proportional to MVA rating of transformers.

same.

proportionate to MVA rating of transformers.

such that actual impedance of all transformers would be same.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
It is advisable to start a DC series motor with some load to

Limit the current.

Avoid sparking.

Limit the flux.

Limit the speed.

Limit the current.

Avoid sparking.

Limit the flux.

Limit the speed.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Flashing the field of DC generator means

increasing flux density by adding extra turns of winding.

creating residual magnetism by a DC source.

neutralising residual magnetism.

making the magnetic losses forces parallel.

increasing flux density by adding extra turns of winding.

creating residual magnetism by a DC source.

neutralising residual magnetism.

making the magnetic losses forces parallel.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
At the instant of starting, the per unit slip of 3 - ÃŽÂ¦ induction motor is

1.0.

0.5.

0.05.

0.1.

1.0.

0.5.

0.05.

0.1.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines

Electrical Machines A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point.

Electrical Machines In a synchronous motor hunting can be reduced to minimum possible by

Electrical Machines When operating, two or more transformers in parallel, % impedance of these transformers should be

Electrical Machines It is advisable to start a DC series motor with some load to

Electrical Machines Flashing the field of DC generator means

Electrical Machines At the instant of starting, the per unit slip of 3 - ÃŽÂ¦ induction motor is

Electrical Machines
A 4 pole dc motor with armature winding resistance of 0.6 ohm receives a supply of 230 Volt. If the back emf produced during running condition is equal to 210 volt. Calculate the current flowing through the armature at this point.

Electrical Machines
In a synchronous motor hunting can be reduced to minimum possible by

Electrical Machines
When operating, two or more transformers in parallel, % impedance of these transformers should be

Electrical Machines
It is advisable to start a DC series motor with some load to

Electrical Machines
Flashing the field of DC generator means

Electrical Machines
At the instant of starting, the per unit slip of 3 - ÃŽÂ¦ induction motor is