Views: 0 Author: Site Editor Publish Time: 2022-04-30 Origin: Site
SF6 ring main unit for secondary distribution network has the advantages of uninterrupted power supply. The function of SF6 ring main unit is to ensure the power supply that when the main source of power shutdown, the second source could be feed immediately. SF6 ring main unit is SF6-insulated, which is one of the safest types of ring main unit in the market.
How to operate SF6 ring main unit?
How to connect wire to SF6 ring main unit?
How to install SF6 ring main unit?
During operation, you should first disconnect the low-voltage main circuit breaker. Then, press the red stop button on the upper right corner of the SF6 ring main unit. The circuit breaker is disconnected and the panel indicator of the circuit breaker room shows the disconnected state. Then, insert the handle in the grounding switch room. When the arrow rotates in the closing direction, the grounding switch is closed. The panel shows that the grounding switch is closed. The operation of disconnecting the SF6 ring main unit is completed.
After the maintenance, first insert the handle, turning to the direction of disconnecting the grounding switch as shown by the arrow. The panel shows that the grounding switch is disconnected. Then insert the handle on the circuit breaker panel and rotate it in the direction of energy storage as shown by the arrow until the panel displays that the energy storage is completed. Press the green close button in the upper right corner to complete the closing operation of the SF6 ring main unit.
l The lightning arrester is installed in the rear compartment and the fuse of SF6 ring main unit is installed on the handcart. The lightning arrester is immediately connected to the bus duct.
l The lightning arrester in the SF6 ring main unit is installed in the busway room, which is immediately connected to the busway. The fuse is installed on the handcart.
l Install the lightning arrester in the SF6 ring main unit separately in the rear compartment or the front lower compartment and connect it to the bus duct immediately. Install the fuse on the handcart.
l Fuse is installed in the compartment of the fixed cabinet of the SF6 ring main unit. The arrester is installed separately in another compartment and immediately connected to the bus duct.
l The lightning arrester and fuse are installed in the rear compartment. The lightning arrester is immediately connected to the bus duct.
l The lightning arrester and fuse are installed on the same handcart and the lightning arrester is connected to the fuse afterward. Once the fuse is blown during operation, the mechanical equipment will lack maintenance.
Before installing the SF6 ring main unit, the staff must have a practical understanding of the assembly engineering drawings. Check the actual installation position and how its wiring is laid out on the basis of the engineering drawings. Arrange rationally the construction team to strengthen the excavation task of the SF6 ring main unit assembly position.
The construction team shall maintain sufficient intervals when exploring the assembly position of the SF6 ring main unit to prevent the excavation special tools from hitting the neighboring construction team.
When you are about to successfully excavate, use a small shovel to strengthen the excavation of the remaining soil to prevent the problem of excessive excavation of the large shovel.
Put the template into the assembled position and fix the mold with concrete. Put the foundation cushion on the bottom layer.
Learn more about SF6 ring main unit can know how to operate SF6 ring main unit and how to install SF6 ring main unit. Rockwill T&D Group is a reliable company you can choose as your partner in Chine. If you want to learn more about it, please let us know.