Machine Design

Solid-State ac Power Sources for Transformer Testing

Solid-state ac supplies replace motor-generator and tap-changing transformers to offer the same tests at the push of a button • Solid-state ac-power sources combine the variable-frequency and ...
T&D

UHV Converter Transformer with 750kV AC Interconnection in China Passes Test

ABB has won orders worth over $100 million to supply converter transformers and components including wall bushings and circuit breakersfor the Lingzhou-Shaoxing ultrahigh-voltage direct current (UHVDC ...
Pensacola News Journal

Global Manufacturer Setting New Benchmarks in Transformer Testing Equipment and High Voltage Test Systems Supply

BAODING, HEBEI PROVINCE, CHINA, January 19, 2026 /EINPresswire.com/ — In the rapidly evolving global power and energy sector, the reliability of transformers and ...
Electronic Design

Advantages of digital switching in programmable AC power sources

Programmable AC power sources have been widely used to implement and support numerous product test procedures over the years. They provide the test engineer with the ability to fully control voltage, ...
Ars Technica

AC-DC transformer, but with multiple output voltages simultaneously.

Maybe I'm describing a unicorn device here but I have a bunch of devices that run off DC-in of various voltages, and take a barrel jack connector for power. They all have their own wall warts but I've ...