ALTERNATING VOLTAGE REGULATOR Russian patent published in 2017 - IPC G05F5/04 

FIELD: electricity.

SUBSTANCE: regulator is proposed, which comprises a primary and a booster transformer, the first and the second thyristor keys, a phase sensitive unit made in the form of two measuring transformers, two zero-bodies and a logical element "AND", a comparison unit made in the form of the zero-body, logical elements "OR" and "AND", the first amplifier, the first delay element having an input connected to the voltage transformer via the auxiliary zero-body, the second amplifier, an auxiliary logical element "AND", the second logical element "AND", a logical element "NOT", the second delay element, an auxiliary logical element "OR", wherein an additional adjustable delay element is introduced into in the control circuit by one of the thyristors of the second thyristor key.

EFFECT: regulating reactive power consumption of the main and booster transformers.

1 dwg