What's the difference between soft starter & a VFD of any kind ?

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phatcreators

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What's the difference between soft starter & a VFD of any kind ?
 

A soft-starter limits the inrush current to the motor and usually have a contactor / relay to connect the motor directly to the load once it is running at full speed.

A VFD's main purpose is to control the speed at which a motor is running.
 

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