I'm wondering if I could make a separate winding (few turns) around the input toroidal inductor to get a feedback voltage proportional to the inductor current.
In the same way you might try winding a wire several times around a single conductor. It could work because it carries heavy AC current. It's a simple transformer. I don't know how well it will work.
Is this welding machine of the constant voltage (MIG) type, or the constant current (stick, TIG) type ?Hello,
I want to build a 2kW battery charger for a solar system. I'll use a portable generator as a power source and a step-down/isolation LF transformer (former welding machine) to get around 30VAC.
For 40 amps, how about a Hall effect sensor ?I've never used a current transformer before (hence I don't have one available)
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