Motor Starters

Question 1

What’s a soft starter

Answer 1

A starter that reduced current during the start up by temporarily reducing voltage or current input and alters how the motor is connected
-zero maintenance

Question 2

What’s a Rotor resistance starter

Answer 2

It works by introducing variable resistance to the rotor windings
Has to be a wound rotor induction motor

Question 3

What’s a star - delta starter

Answer 3

It uses a user set timer that allows the motor to reach a particular speed, at which a time switch switches over to delta connection to allow full load current

Question 4

What’s a Direct online starter

Answer 4

Consist of a stop and start contactor.
When power goes off it stops the machine and physically has to be started
It provides under voltage protection and will open the contactor shutting it down