The product is mainly used in power distribution networks, factory enterprises, and prefabricated substations, including urban power grids, industrial and mining enterprises, logistics parks and residential areas, as well as power systems for large transportation facilities such as highways, railways, and airports. It is widely used in renewable energy projects such as wind power generation and solar power generation for the integration and distribution of power systems, and can effectively deliver the electricity generated by renewable energy to various user ends, in areas such as energy distribution, isolation protection, automation control, and intelligent perception.

The upper limit of ambient air humidity does not exceed 40℃, and the lower limit does not exceed-45℃;
The wind speed is not more than 35m/s;
The altitude is not higher than1000m;
Ambient humidity: monthly average relative humidity is not more than 90%; daily average relative humidity is not more than 95%;
The thickness of icing shall not exceed10mm;
The installation place should be a place free from flammable, explosive, chemical corrosion and frequent severe vibration;
Neutral point grounding method: the neutral point is not grounded, the neutral point is grounded through the arc
suppression coil, and the neutral point is grounded through a small resistance.