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Where are non-metallic box type substations mainly used

source：www.taicredit.cn  |  Release time：2025年05月19日
      Non metallic box type substations (box type substations that use non-metallic materials such as composite materials, resins, glass fibers, etc. to replace traditional metal shells) are mainly used in scenarios with high environmental requirements, complex working conditions, or emphasis on aesthetic coordination due to their corrosion resistance, light weight, good insulation, and beautiful appearance. The following are its main application areas and scenarios:
1、 Urban Public Facilities and Municipal Engineering
1. Urban streets and commercial areas
      Installed in densely populated areas such as urban main roads, pedestrian streets, and commercial squares as power distribution nodes.
      Advantages: Non metallic shells can be integrated with the surrounding architectural style through surface treatment (such as painting, film coating), avoiding the "industrial feel" of traditional metal shells and enhancing the aesthetics of the city.
Scenario case: The box type substation next to the scenic road adopts a non-metallic shell with imitation wood grain or stone texture, which is coordinated with the natural environment.
2. Municipal greening and parks
      Used for lighting and landscape power supply in parks, green belts, botanical gardens, and other places.
      Advantages: Non metallic materials are resistant to moisture, acid and alkali (such as corrosive substances in soil), and are lightweight, making them easy to transport and install in green areas, reducing damage to vegetation.
2、 Corrosive environments such as chemical and metallurgical industries
1. Chemical industrial parks and industrial plants
      In chemical enterprises, pharmaceutical factories, fertilizer factories and other scenarios, the air often contains corrosive substances such as acid mist, alkali vapor, salt mist, etc.
      Advantages: Traditional metal casings are prone to corrosion, leading to electrical leakage or equipment damage, while non-metallic materials (such as epoxy resin composite materials) have strong corrosion resistance, which can extend the service life of equipment and reduce maintenance costs.
2. Coastal areas and high humidity environments
      In areas with high salt content such as the seaside and around salt lakes, metals are prone to electrochemical corrosion.
      Advantages: The non-metallic shell is non-conductive and resistant to salt spray erosion, making it suitable as a distribution equipment for coastal cities and reducing safety hazards caused by corrosion.
3、 Residential communities and civil buildings
1. Residential community power distribution
      As the power distribution center within the community, it provides electricity to residential buildings and public facilities such as elevators and streetlights.
Advantages:
      Low noise: Non metallic materials have a better barrier effect on equipment operation noise than metals, reducing the impact on residents;
      High safety: The shell has good insulation, which can reduce the risk of human contact leakage, especially suitable for areas with frequent personnel activities.
2. Villas and residences
      Communities or villa areas have high requirements for landscape coordination. Non metallic box type substations can be designed in stone, wood or artistic shapes, integrated into the courtyard environment, to avoid the abrupt feeling of traditional metal boxes.
4、 Rail Transit and Transportation Hubs
1. Subway and high-speed railway stations
     Installed in the distribution areas along subway platforms and high-speed rail lines, providing power for lighting, signal systems, escalators, and other equipment.
Advantages:
     Fire resistance: Some non-metallic materials (such as flame-retardant composite materials) meet the fire resistance standards of rail transit;
     Lightweight: Easy to transport and install in narrow spaces such as tunnels, reducing construction difficulty.
2. Highways and tunnels
      Provide power for highway service areas, tunnel lighting, and monitoring equipment.
      Advantages: In damp and poorly ventilated environments such as tunnels, non-metallic shells are not easy to rust and are resistant to corrosion from pollutants in vehicle exhaust.
5、 New Energy and Special Scenarios
1. Photovoltaic power plants and wind farms
      Used as power conversion and distribution equipment in distributed photovoltaic power plants and small wind farms.
      Advantages: In outdoor environments, non-metallic materials are resistant to UV aging, can withstand wind and rain for a long time, and are lightweight, suitable for rapid deployment in remote areas.
2. Temporary power supply and disaster relief scenarios
      Used for temporary power supply at construction sites and emergency power supply after disasters such as earthquakes/floods.
      Advantages: Easy disassembly and assembly, low transportation cost, good insulation, and safe use in humid environments.

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