OPEN DISTRIBUTION DEVICE OF ELECTRIC STATION WITH GENERATOR-TRANSFORMER UNIT AND TWO LINES Russian patent published in 2021 - IPC H02B5/00 H02B1/24 H02B13/65 H02H9/00 

FIELD: electrical equipment.

SUBSTANCE: invention relates to electrical engineering, namely, to open distribution devices (ODD) of electric stations. ODD of electric station with generator-transformer unit and two lines comprises first, second, third, fourth, fifth and sixth switches with disconnector on one side, as well as seventh, eighth and ninth switches with disconnectors on each side. Disconnector of generator-transformer unit is connected to disconnect switches of the first and second switches, and disconnector of the first line - to disconnector of the third switch. Fourth switch is connected in series with the first switch, and its disconnector is connected to the point of connection of the disconnector of the first line with the disconnector of the third switch, to which the first disconnectors of the seventh and eighth switches are also connected. Fifth switch is connected in series with the third switch, and its disconnector is connected to the second line disconnector, to which the second disconnector of the eighth switch is also connected, the first disconnector of the ninth switch and the disconnector of the sixth switch, connected in series with the second switch, wherein the second disconnect switches of the seventh and ninth switches are connected to the connection points of the disconnectors of the first and second switches with the disconnector of the generator-transformer unit.

EFFECT: technical result of invention is higher reliability of device in case of failure in disconnection of short-circuit at connection or short-circuit in both sides failure type of any of switches, as well as when they are in repair.

1 cl, 1 dwg