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Composite insulators are also known as organic composite insulators, rubber insulators or non-porcelain insulators. They are composed of organic synthetic materials, mainly rods, metal fittings and umbrella skirt sheaths. We have millions of composite insulators in lines, all of them worked very well.
1. The metal fittings are the mechanical load transfer parts of the composite insulator, which are assembled together with the core rod to form the connecting parts of the insulator.The quality of the structure affects the strength of the core rod and the mechanical properties of the insulator. Our fittings suppliers are all also qualified by State Grid of China.
2.The umbrella skirt sheath is the outer insulator part of the composite insulator. Its function is to make the composite insulator have high resistance to wet flashover and pollution flashover, and protect the core rod from atmospheric erosion. We have our own rubber production workshop which could fully control the qaulity of the rubber.
3.The core rod is the bearing part of the mechanical load of the composite insulator, and also the main part of the internal insulation. Our rod suppliers are leading factories in China and qualified by State Grid of China also.
400kV Polymer Tensions Insulators Parameters:
Model | Rated | Specified | Structure | Minimum Dry Arc Distance | Minimum | Lightning Impulse | Wet Power Frequency |
(kV) | （kN） | （mm） | （mm） | （mm） | ≥（kV） | ≥ (kV) | |
FXBW-400/210 | 400 | 210 | 4030±50 | 3805 | 13500 | 2050 | 600 |
About US:
Wuhan Line Power Transmission Equipment Co., Ltd has an industry-leading fully automated production line, such as an overall injection molding production equipment and voice-activated end fitting crimping machines, etc.Testing center is equipped with a 1000kV power frequency test transformer, 600kV steep shock, 1800kV Lightning impact test equipment and 40kN.m bending and torsion testing machine, 2000kN tensile testing machine and other important testing equipment. In addition, there are various conventional production and inspection equipment. At the same time, as an important research and production base of the Wuhan Branch of the National Grid Electric Power Research Institute, the company uses the improved and advanced testing equipment of the State Grid Electric Power Research Institute to further improve the company's detection methods and testing in scientific research, pilot testing, and production processes.
Our insulators reached more than 50 countries, and got a good reputation among our clients.
We have kinds of method to pack our insulators, plywood case, solid wood case, anti-water paper tube etc. All of them fit the long distance and sea tranportation. Customised packing also could be provided.
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