Tonight I continued down the supply side, adding a 1900 box with switches and an EMI filter. I printed a custom case for the EMI filter that attaches to the 1900 box, then used a grommet to bridge the wires between the two.
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The two boxes marry together with a couple nuts and bolts, which I conventiently used for the grounding lug.
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After getting everything wired up, I gave it a quick test to make sure the motor runs and transformers power up without any internal arcing or other abnormal behavior. Everything started right up with no issues. I believe the next step in this process is to figure out the MMC layout and get them soldered together.
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