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Oil Duct Strip
Electrical Performance:
High insulation strength and low dielectric loss after oil immersion; compatible with transformer oil without impurity precipitation, low water absorption and low partial discharge tendency.
Mechanical Performance:
The integrated structure resists compression and short-circuit impact to prevent oil duct collapse and deformation. The flexible base paper fits winding of all coil types with no delamination or glue separation.
Thermal & Processing Performance:
Stable long-term thermal aging performance matching the full service life of transformers; easy drying and degassing for vacuum oil impregnation, convenient to cut and process.
Core Applications:
Inside oil-immersed power transformers and distribution transformers, used to support winding coils and construct cooling oil ducts.
Specific Installation Positions:
- Between winding layers – forms axial or radial oil ducts to ensure heat dissipation.
- Between coils and the core, or outside the coils – tightens the coils to enhance short-circuit withstand capability.
The product can be manufactured in various forms to suit different winding configurations, such as rectangular strips, T-strips, and dovetail strips.
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