AC VOLTAGE STABILIZER Russian patent published in 2024 - IPC G05F1/20 

FIELD: electrical engineering.

SUBSTANCE: invention relates to electrical engineering, namely to AC voltage stabilizers, and is intended for use in power supply systems for stabilization of single-phase voltage of AC power source. AC voltage stabilizer comprises: autotransformer; two optocouplers performing functions of switches switching autotransformer taps; AC voltage stabilizer control system, comprising a power supply unit, a null element, a sawtooth voltage generator, two control pulse generators, a comparator, two AND logic elements; L-chain; magnetic conductor with air gap; magnetic diode; constant voltage source; variable resistor; comparator; voltage divider; JK trigger; differentiating circuit.

EFFECT: expansion of functional capabilities with simultaneous increase of reliability.

1 cl, 2 dwg