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  1. K

    Limiting power inrush on spot welder

    I think you're right. There has to be some build up on the input side prior to activating it. By limiting the power input externally there is no chance for a capacitor to charge, hence the huge inrush when it is activated. I'm thinking about a slightly different approach which is to add a...
  2. K

    Limiting power inrush on spot welder

    I have a spot welder that works well for some applications, but it's too much for some welds using lighter material. Manually triggering the welder on/of as quickly as I can is too much for the material I'm using. So I built a timer unit that uses an SSR connected to an Arduino unit. I added...
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