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[8s, 2006] 

Journal of Electrical Engineering, Vol 57, 8s (2006) 92-95

MAGNETIC TOROIDAL CORES EXPOSED TO A STRONG STATIONARY MAGNETIC FIELD

M. Soinski – R. Rygal – W. Pluta – P. Kepski – S. Zurek

   Strong stationary magnetic fields from permanent magnet, when used in the wrong way, can change a proper behavior in already optimized technical equipment. For example, some of electronic electrical energy meters do not count correctly the consumption of electrical energy or low-voltage current transformers do not indicate proper output signal level. This phenomenon comes from changes of B-H characteristic in both amorphous and silicon-iron cores under the influence of DC magnetic field.

Keywords: toroidal cores, strong magnetic field, B-H characteristic


[full-paper]


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