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Definition of "Core Loss" |
The Loss occurring in a magnetic core due to alternating magnetisation. It is the sum of the hysteresis loss and the eddy current loss. / The energy dissipated in the ferromagnetic core of a transformer or inductor. The total loss due to eddy currents and hystersis loss in the core of a transformer. / Power loss in a transformer due to excitation of the magnetic circuit (core). No load losses are present at all times when the transformer has voltage applied. / loss in the ferromagnetic material comprising the core of an electric machine or transformer, composed of the sum of hysteresis losses and eddy current losses. These magnetic losses are caused by time varying fluxes in a ferromagnetic structure. Hysteresis losses are caused by friction in molecules as the dipoles in a structure change direction of alignment in response to an applied alternating voltage, while eddy current losses are resistive losses (I²R), due to circulating currents in the core. |
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