DEVICE CONTROLLING VOLTAGE INVERTER Russian patent published in 2002 - IPC

FIELD: radio engineering. SUBSTANCE: given device has detector of transition of load current through zero, phase comparator, filter, generator of voltage changing linearly, module 2 frequency divider with paraphase output, single-phase full-wave rectifier, unit generating mismatch signal, comparator, module 2 frequency divider, delay unit, pickup of load circuit current, high-frequency voltage inverter incorporating semiconductor keys forming bridge circuit, diodes placed in parallel to keys letting backward passage of current, constant voltage source to feed high-frequency inverter, load circuit and inductor. Device is capable of operation with multiloop load circuits under conditions of capacitive and inductive detuning. EFFECT: growth of maximum working frequency. 11 dwg