product introduction
In the modern distribution network, the Air Insulated Ring Main Unit plays a vital role.In simple terms, it is like a "smart hub" in the urban power grid. It is mainly used in medium voltage networks such as 10kV, and is responsible for the reception, distribution, and circuit protection and control of electrical energy. Unlike traditional inflatable cabinets, it uses specially treated dry air as the insulating medium. It not only has excellent insulation and arc extinguishing properties, but also completely abandons SF6 greenhouse gases. It is the mainstream choice in response to the construction of the national green power grid.
Core product features
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Green, environmentally friendly and pollution-free
The product uses dry air as the insulating medium, which completely eliminates the risk of SF6 gas use and leakage, and has zero pollution to the environment, which is in line with the global low-carbon development trend.
01
Fully sealed structure, strong adaptability
All high-voltage live parts are sealed in a stainless steel gas tank, with a high level of protection. This design makes it fearless of plateau, saline, alkaline, humid or heavily polluted environments, and truly realizes stable operation around the clock.
02
Modular design, flexible expansion
It support the free combination of F unit (load switch), FR unit (combined electrical appliances) and Z unit (vacuum circuit breaker). The cabinet reserves standardized expansion plug-ins, which not only supports independent use, but also easily realizes the expansion of the busbars on the left and right sides, and flexibly responds to future capacity increase needs.
03
High safety and maintenance-free
It equipped with a three-station isolation grounding switch, the operation is intuitive and visual. The unique mechanical interlocking design effectively prevents misoperation, and the air tank has good sealing, and there is no need for maintenance during the normal service life (usually more than 20 years), which greatly reduces the cost of the whole life cycle.
04
With its compact size and high reliability, the Air Insulated Ring Main Unit is widely used in urban residential areas, high-rise buildings, large commercial centers, and distribution stations of industrial and mining enterprises.
At the same time, it is often used as the core component of box-type substations, or directly used for grid-connected control in new energy fields such as wind power generation and solar power plants.
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