FIELD: electric engineering, in particular, electric heating and other processes which require low attenuation of oscillations. SUBSTANCE: method involves parametric effect on magnetization of magnetic circuit of inductance coil in beginning of each oscillation period of current in inductance coil for periods which follow excitation current periods of supply generator when current of inductance coil transits through zero. EFFECT: increased efficiency. 3 dwg
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Authors
Dates
1997-08-20—Published
1993-03-01—Filed