ENI632 Last Week

What is special about a synchronous motor?

• High starting current

• Hight starting torque

• Fixed speed

• widely spread

What would you choose to run a heavy industrial production line?

• A three-phase induction motor

• A single phase induction motor

• A DC motor

The squirrel-cage arrangement is a type of

• induction motor

• DC motor

• synchronous motor

• control circuit

Are used to minimize friction and ease motion

• slip rings

• bearings

• rotors

• stators

If you force an induction motor to rotate with an external force... What will happen?

• It will refuse and get stuck

• It will generate electric power

• you can not

• there is no sufficient information