Abstract: The load unbalance and the nonlinear loads result in a significant neutral current in the three-phase four-wire distribution power system. The Zig-Zag transformer has been proposed to ...

Well-known industry author and instructor Jim Johnson is offering a new video for technicians who want to sharpen their troubleshooting skills. "This HVAC training video program, is available in DVD ...

ON.energy, a provider of grid-safe, medium-voltage AI UPS™ infrastructure for hyperscale data centers, today announced a 5-gigawatt (GW) transformer supply agreement for data center and renewable ...

Abstract: This paper investigates breakdown voltages of enamel insulation of transformer wire in rice oil, corn oil and peanut oil. Experiments were performed with both new and aged conditions. It was ...

A solid-state transformer (SST) is an AC-AC converter, sometimes called a power electronics transformer (PET), that replaces a conventional magnetic transformer in applications like green energy ...

A thermostat displaying humidity doesn’t necessarily mean it controls it. In this video, Bryan Orr, founder of HVAC School and president of Kalos Services Inc., walks us through the essential wiring ...