How to solve VFD noise problems (EMI)

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The noise generated by our new Teco-Westinghouse L510 VFD is causing problems with the video gear in the shop. Today we’re going to solve the problem with a line noise filter and a handful of ferrites.

We’re also going to connect up an oscilloscope to measure the noise being generated so we can see if our fixes are working.

If you’re playing along at home, here are some links to the parts and equipment used in this video:

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