documents that his CCFL inverter is a resonant Royer oscillator ... A little math told him that he could achieve this by rewinding the transformer’s primary with only 4 turns.

He takes an octal relay and wires it up with a small mains transformer for an immediate and very cheap inverter. It’s not perfect, as he points out the frequency isn’t right. The relay will ...

The new product combines an inverter, medium-voltage transformer, and various configurable options, including GPS-enabled fault timestamping and revenue-grade metering. It features an air-cooled ...