The video below the break makes for a handy primer on PCB coil construction ... and once the transformer has been assembled, we see it hooked up to a power supply board for a test.

Construction of the 300MW Stanwell BESS is celebrating another milestone, with two high-voltage transformers arriving on-site ...

If you’ve ever wondered why something like a radio or a TV could command a hefty fraction of a family’s yearly income back in the day, a likely culprit is the collection of power transformers ...