FIELD: electrical engineering.
SUBSTANCE: invention relates to the field of electric engineering, in particular to the power transmission lines sectioning devices, and is intended for the electric network switching and protection. System allows switching and protection of power transmission lines, accounting of electric power, control of electric energy quality, control of voltage by independent control of three power contact groups having common connection point, and includes an input manual switching element, vacuum switching elements of the remote control, output switching elements of manual control, control units for switching elements, units for remote and local control of power circuits of the system, current control units, data transmission unit, switching elements position monitoring unit and voltage control unit.
EFFECT: reduced losses during power supply to consumers, increased reliability and efficiency of power supply systems for consumers.
1 cl, 1 dwg
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