VARIABLE VOLTAGE REGULATOR Russian patent published in 2025 - IPC G05F1/30 

FIELD: electrical engineering.

SUBSTANCE: invention relates to electrical engineering, in particular to conversion equipment, and can be used for voltage regulation in electric networks, and for limitation of short-circuit currents in electric networks. AC voltage regulator comprises: main transformer; booster transformer; two optotriacs; phase-sensitive unit, made using two measuring transformers, two null elements, logical element "AND"; comparator unit, made using a null element, a logic element "OR", a logic element "AND"; two delay elements; measuring voltage transformer; auxiliary null element; auxiliary logic element "AND"; logical element "NOT"; logical element "AND"; auxiliary logical element "OR", two pulse shapers; protection unit made using L-circuit, serving as single-turn winding of magnetic conductor with air gap, magnetodiode, variable resistor, comparator, voltage divider, JK trigger, differentiating circuit, constant voltage source, control signal generator, optotriac.

EFFECT: technical result, which can be achieved with the help of the proposed invention, is reduced to expansion of functional capabilities with simultaneous increase of reliability.

1 cl, 1 dwg