VOLTAGE CONTROL DEVICE IN THE DISTRIBUTION NETWORK CONTROLLED AREA Russian patent published in 2018 - IPC H02J3/00 

FIELD: electricity.

SUBSTANCE: invention relates to the electric power industry, namely to the voltage regulation devices in AC distribution networks. Voltage regulation device in the distribution network controlled area, including the supply transformer with load tap change (LTC) with distribution substations connected thereto, contains connected to the distribution substations control units, made identical, each of which inside contains measurements unit, memory unit, voltage change prediction unit, and query generating unit configured to determine the allowable control range and control over compliance to this predicted voltage range. At that, the measurements unit input is also the monitoring unit input and is connected to the distribution substation 0.4 kV bus. Measurements unit first output is connected to the memory unit, to which the voltage change prediction unit is connected, connected to the query generator unit first input, which second input is connected to the measurement unit second output. Query generator unit output is the each monitoring unit output and is connected to the control actions generation unit, to which the control actions implementation unit is connected, connected to the supply transformer with load tap change.

EFFECT: increase in the supply transformer voltage control accuracy due to the voltages local monitoring at the consumers connection points.

1 cl, 1 dwg