Composite insulators for electrified railways
Composite insulators for electrified railways are insulator products suitable for electrified railway tunnels with complex operating conditions. It can effectively prevent pollution flashover accidents and reduce cleaning and maintenance workload. Because of its small size, especially when the tunnel clearance is small, it cannot be replaced by porcelain and glass insulators.
Keywords: Electrical
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polymer composite insulator
composite
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Composite insulators for electrified railways
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Composite insulators for electrified railways are insulator products suitable for electrified railway tunnels with complex operating conditions. It can effectively prevent pollution flashover accidents and reduce cleaning and maintenance workload. Because of its small size, especially when the tunnel clearance is small, it cannot be replaced by porcelain and glass insulators.
Composite insulators for electrified railways are used in electrified railway tunnels with complex conditions. It can effectively prevent pollution flashover accidents and reduce the workload of cleaning and maintenance. It is not only subjected to tension but also bending force when it is working.
Features of composite insulators for electrified railways:
1. Small in size and light in weight, about 1/5~1/9 of that of porcelain insulators of the same voltage level, easy to transport and install.
2. It has good mechanical strength, excellent structure, stable performance, and large operating margin, which provides a guarantee for the line and safe operation.
3. Superior electrical performance, silicone rubber umbrella has good hydrophobicity and migration, strong pollution resistance, good anti-fouling flashover ability, can run safely in heavily polluted areas, and does not require manual cleaning, and zero-value maintenance can be exempted .
4. It has the characteristics of acid resistance, alkali resistance, heat aging resistance and electrical resistance, strong sealing, and can confirm that its internal insulation is not damp.
5. Strong anti-brittleness, strong shock resistance, no brittle fracture accidents.
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