How To Wire Output AC Motor Voltage To An SMV Variable Frequency Drive (VFD)

About This Video

This video covers how to wire the output section of the SMV Variable Frequency Drive (VFD). This process is actually extremely simple. You’ll want to make sure you have a copy of the user’s manual when you are making any wiring changes to your drive.

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Lenze AC Tech SMVector NEMA 1 VFD Face Angled
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WARNING: all electrical equipment should be handled by qualified electricians. Make sure to adhere to all local, national, and international safety laws when handling your equipment. Failure to do so could result in severe injury or even death.

So now the motor connections are U, V and W of your motor leads. Your motor should have three leads and a ground right? So I got a U, V and a W. Notice the motor leads are on the left side of the drive. So I’ve got U, V, and W. This is on the left here. I’m not going to put my finger in there because it’s powered up. Then I have my ground in the middle. Of course my ground from my line side is also in the middle. So my ground is ground.

That’s pretty much all there is to wiring your motor to the drive. Now I’ve had this question asked a number of times before: can I use a single phase motor on a variable frequency drive? Not on any of these. These are all for three-phase motors only. [This is] something very important to take into consideration when you’re sizing it.

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