abstract |
The utility model is a kind of transformer neutral point earth protection device, including pillar on the ground is arranged, pillar top is equipped with crossbeam, it is installed with disconnecting switch on crossbeam side by side in order, arrester and current transformer, it is connect at the top of arrester by aluminium row's connecting plate at the top of the disconnecting switch, equipped with ground connection aluminium row's connecting plate and gap mounting plate at the top of current transformer, a discharging gap stick is housed on the aluminium row connecting plate, another discharging gap stick is housed on the gap mounting plate, two discharging gap sticks are opposite and are located along the same line, discharging gap is equipped between two discharging gap stick ends, gap mounting plate is equipped with mounting hole, discharging gap stick passes through mounting hole both ends and locking nut is housed;The utility model discharging gap is conveniently adjusted, and disconnecting switch installation and operation stability are more preferable. |