In order to keep the core loss to a minimum, the core of a transformer is built up of thin laminations of highly permeable ferromagnetic material such as silicon-sheet steel. Silicon steel is used ...

Main power checks out fine. The machine still glitches anyway, a contactor that won't seal properly, a relay dropping for no clear reason, a PLC resetting mid-cycle with nobody able to say why. Not ...

Power transformers are often the main source of common-mode noise in isolated switching power converters. Why? Because inside the transformer, the windings on the primary and secondary sides of the ...