HD Hyundai Electric builds Korea’s largest phase-shifting transformer
HD Hyundai Electric, an energy solutions provider affiliated with shipbuilding giant HD Hyundai, announced Wednesday that it ...
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Flipped Transformer Powers Budget-Friendly Vacuum Tube Amp
That leaves the problem of powering the heaters for the tubes, which is usually the job of a second 6- or 12-volt winding on a power transformer. Luckily, the surplus market has a lot of little 6. ...