The function of the Association of Motor Starter

• All this function MUST be held in the motor starter

• All these functions can be fulfilled by association 3 components, 2 components, or even 1 component

• Associations / incorporation components MUST be considered his election, and governed exclusively by the IEC (International Electrotechnical Commission)

1. Association 3 components
2. Association 2 components
3. Association 1 components

Motor Starter Selection

●ELECTROMECHANIC

●DIRECT ON LINE

●STAR DELTA

●AUTO TRANSFORMER

● ELECTRONIC

●VARIABLE SPEED DRIVE (INVERTER)

●SOFT STARTER

Motor Slip

SPEED

SPEED vs TORQUE

SPEED is related to FREQUENCY

TORQUE is related to CURRENT

Motor Performance

● SPEED
● TORQUE
● HP (Horse Power)

AC Motor Fundamentals

1. Components of An Electric Motor






2. How An Electric Motor Operate