METHOD AND REVERSE DEVICE FOR CONVERSION OF ENERGY OF MAGNETIC FIELD OF FERROMAGNETIC CORE INTO THERMAL OR ELECTRICAL ENERGY Russian patent published in 2016 - IPC H05B6/04 

FIELD: electrical engineering.

SUBSTANCE: invention relates to electrical engineering, specifically to devices for converting ferromagnetic core magnetic field energy into thermal or electric energy, and can be used, for example, in autonomous lighting, heating systems, etc. Technical result of present invention is to eliminate influence of residual induction B_r by an amount of generated energy and thus increase specific power of whole device. According to disclosed method, electric current from a source is converted in a transformer and delivered into heating device, which uses a direct current source with generator of linearly time-varying voltage, which is directed to primary winding of transformer, secondary winding of which is connected to heating device, linearly time-varying voltage used is voltage with a triangular shape, where at moments in time of break of triangular voltage curve direction of current is switched in primary winding of transformer. For implementation of method, proposed is a reversing device comprising a current source, a linearly time-varying voltage generator, a diode configured to bypass return current between input and output, a transformer with primary and secondary windings, first input of generator is connected to first terminal of accumulator battery, second terminal of which is connected to second input of generator, and secondary winding of transformer is connected to consumer of thermal or electric power. Device is additionally provided with a unit for changing direction of current in primary winding of transformer, first input of said unit is connected to second terminal of accumulator battery and to second input of generator, second input of said unit is connected to first generator output, and first and second outputs of said unit are connected to first and second outputs of transformer primary winding, unit is configured to change direction of current in primary winding of transformer, while generator is configured to generate linearly time-varying voltage of triangular shape and synchronise time fracture voltage curve of triangular shape with time of switching current direction in primary winding of transformer, second output of generator is connected to third input of changing direction of current in primary winding of transformer.

EFFECT: disclosed method and device enable to perform process of remagnetisation ferromagnetic core of transformer, eliminating residual induction B_r, considerable increase of change of magnetic induction and relative magnetic permeability of µ ferromagnetic material and thereby increasing value of generated energy, as well as specific power in whole device.

2 cl, 4 dwg