VARIABLE VOLTAGE STABILIZER Russian patent published in 2025 - IPC G05F1/14 

FIELD: electrical engineering.

SUBSTANCE: invention relates to electrical engineering, in particular to secondary power sources. AC voltage stabilizer comprises a step-up transformer, two parallel-connected coils wound on a closed ferromagnetic (steel) core, a variable resistor, a control unit and a protection unit. Protection unit has a constant voltage source, a pulse former, an optotriac, an L-circuit, a magnetic conductor with an air gap, a magnet diode, a voltage divider, a variable resistor, a comparator, a JK trigger and a differentiating circuit.

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

1 cl, 4 dwg