Archives September 2020

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Beginning with the end in mind is not only one of the 7 habits of highly effective people, it’s also a great philosophy to have when working with variable frequency drive (VFD) cable! If you have variable frequency drives at your facility you probably have heard of variable frequency drive cable. VFD cable has been shown to improve system performance by reducing electromagnetic interference (EMI), minimizing ground currents, controlling common mode current (which if left uncontrolled can damage motor bearings) and more. You may know a lot or a little about this specially designed cable that runs from your drive’s inverter to the motor. A lot of companies make VFD cable and a lot of salespeople from these companies will tell you that you should be running this cable. They may be right, but that is only half the story. The other half of the story is if you don’t properly terminate this cable, you lose most of the benefits it can provide.

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