A 3 - ÃŽÂ¦, 400 / 200 V, Y - Y connected wound rotor induction motor has 0.06 ÃŽÂ© rotor resistance and 0.3 ÃŽÂ© standstill reactance per phase. To make the starting torque equal to maximum torque of the motor the additional resistance required

Electrical Machines
A 3 - ÃŽÂ¦, 400 / 200 V, Y - Y connected wound rotor induction motor has 0.06 ÃŽÂ© rotor resistance and 0.3 ÃŽÂ© standstill reactance per phase. To make the starting torque equal to maximum torque of the motor the additional resistance required

0.45 ÃŽÂ©.

0.66 ÃŽÂ©.

0.24 ÃŽÂ©.

0.78 ÃŽÂ©.

0.45 ÃŽÂ©.

0.66 ÃŽÂ©.

0.24 ÃŽÂ©.

0.78 ÃŽÂ©.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
The DC generator runs at a speed of 1000 rpm and flux per pole is 0.2 Wb, number of poles are 2 the winding is wave wound and having 480 conductors. The critical speed is 1200 rpm. Then the generated emf ( Eg )

1600 Volt.

1500 Volt.

2000 Volt.

0 Volt.

1600 Volt.

1500 Volt.

2000 Volt.

0 Volt.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
_____________ types of induction motor are widely used.

Single phase IM.

Three phase IM.

Slip ring IM.

Squirrel cage IM.

Single phase IM.

Three phase IM.

Slip ring IM.

Squirrel cage IM.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
If the back emf in DC motor vanishes suddenly the motor will

start haunting.

run at very low speed.

burn.

run at very high speed.

start haunting.

run at very low speed.

burn.

run at very high speed.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
In a 12 pole triplex lap wound DC armature, each conductor can carry current of 100 A. The rated current of this armature is

1200 A.

600 A.

2400 A.

3600 A.

1200 A.

600 A.

2400 A.

3600 A.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines
Considering a galvanometer is connected to the rotor of a 3 - ÃŽÂ¦, 4 pole, 50 Hz IM and is making 130 oscillations in a minute, then calculate the rotor speed?

1440.

1435.

1500.

1450.

1440.

1435.

1500.

1450.

ANSWER DOWNLOAD EXAMIANS APP

Electrical Machines

Electrical Machines A 3 - ÃŽÂ¦, 400 / 200 V, Y - Y connected wound rotor induction motor has 0.06 ÃŽÂ© rotor resistance and 0.3 ÃŽÂ© standstill reactance per phase. To make the starting torque equal to maximum torque of the motor the additional resistance required

Electrical Machines The DC generator runs at a speed of 1000 rpm and flux per pole is 0.2 Wb, number of poles are 2 the winding is wave wound and having 480 conductors. The critical speed is 1200 rpm. Then the generated emf ( Eg )

Electrical Machines _____________ types of induction motor are widely used.

Electrical Machines If the back emf in DC motor vanishes suddenly the motor will

Electrical Machines In a 12 pole triplex lap wound DC armature, each conductor can carry current of 100 A. The rated current of this armature is

Electrical Machines Considering a galvanometer is connected to the rotor of a 3 - ÃŽÂ¦, 4 pole, 50 Hz IM and is making 130 oscillations in a minute, then calculate the rotor speed?

Electrical Machines
A 3 - ÃŽÂ¦, 400 / 200 V, Y - Y connected wound rotor induction motor has 0.06 ÃŽÂ© rotor resistance and 0.3 ÃŽÂ© standstill reactance per phase. To make the starting torque equal to maximum torque of the motor the additional resistance required

Electrical Machines
The DC generator runs at a speed of 1000 rpm and flux per pole is 0.2 Wb, number of poles are 2 the winding is wave wound and having 480 conductors. The critical speed is 1200 rpm. Then the generated emf ( Eg )

Electrical Machines
_____________ types of induction motor are widely used.

Electrical Machines
If the back emf in DC motor vanishes suddenly the motor will

Electrical Machines
In a 12 pole triplex lap wound DC armature, each conductor can carry current of 100 A. The rated current of this armature is

Electrical Machines
Considering a galvanometer is connected to the rotor of a 3 - ÃŽÂ¦, 4 pole, 50 Hz IM and is making 130 oscillations in a minute, then calculate the rotor speed?