MAGNETOELECTRIC TRANSFORMER Russian patent published in 2013 - IPC H01L41/107 H01F19/00 

FIELD: electrical engineering.

SUBSTANCE: magnetoelectric transformer represents a structure consisting of an inductance coil wound onto a magnetoelectric capacitor the dielectric whereof is volumetric ferrit, a piezoelectric composite material in the form of a core the geometric dimensions whereof correspond to the mechanical resonance condition. When AC voltage is supplied into the capacitor, mechanical deformations occur in the dielectric piezoelectric phase that are transmitted to the ferrit base where, as a result of magnetostriction, variable magnetisation appears inducing electromotive force in the inductance coil wound onto the sample. When the input electric voltage frequency coincides with that of the core mechanical resonance, forced oscillations amplitude is increased which results in a peak increase of output voltage amplitude. The dielectric used is volumetric ferrit, a piezoelectric composite material in the form of a core, with the inductance coil replaced with the capacitor armature in the output circuit.

EFFECT: structural design modernisation, control technological effectiveness increase, converter action efficiency and reduction of energy losses in the output circuit.

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