EDGE PROTECTION RINGS

Edge Protection Rings serve two main functions - they can be designed as Angle Rings to protect the inner diameter of a winding, or as Caps to protect the outer diameter.

These rings are specified by key dimensions: diameter, flange and collar, thickness, and edge radius.

While the Angle Rings and Caps of the end insulation create oil gaps, the Edge Protection Rings reinforce the insulation of the conductor by sitting directly on its surface. The ratio of these dimensions is adjusted based on individual specifications, though they typically feature small collars and flanges with a sharp edge radius of 1-1.7 mm.

Beyond the dimensional differences, Edge Protection Rings also differ from "classical" Angle Rings and Caps in terms of their thermal exposure.

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When it comes to transformer insulation, using edge protection rings can make a world of difference in maintaining the efficiency and safety of the equipment. These rings act as a shield for the insulation, safeguarding it from wear and tear caused by constant movement or external factors. By providing a sturdy boundary, edge protection rings ensure that the insulation remains intact and functional for a longer period. Investing in quality edge protection rings for insulation is like giving your transformer a cozy blanket, keeping it warm, protected, and operating at its best for a prolonged time.

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