Many older industrial facilities use single-phase, oil-filled transformers made for pole-mounting but installed at ground level to create 3-phase power distribution systems. Usually, primary and ...

At light loads and high ac-mains voltage, a wall wart may provide efficiency approaching 90% but a power factor of only 60%. At heavy loads and low ac-line voltage, efficiency may be less than 75%, ...

In our two-phase example, each transformer provides half the output power, or 100 W with a switching frequency of 100 kHz. Consequently, L P = 80×10 -6 H, I PKpri = 7.5 A, I PRIrms = 2.6 A ...

A new, compact, militarized single-core three-phase transformer for use within U.S. Navy shipboard power distribution systems has been introduced by Diversified Technologies, Inc. (DTI). BEDFORD ...

Transformers have been the backbone of power grids for over a century, but today’s demands for renewable energy, electric vehicles, and smarter grids are exposing their limits. Enter solid-state ...