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What kind of stress control method adopted for Changyuan cold contraction cable accessories?

2019-08-08 10:17

Our products adopt the refraction stress control method, i.e. set the high elastic stress control sleeve made from high dielectric constant (K value is around 30) materials outside the cable shielding, using its difference from the dielectric constant of the main insulation, thus to reduce the electric field intensity at the shielding mouth. The insulation resistance of the stress control sleeve with this high dielectric constant is high, the dielectric strength is big, and under the long-term electric field action and high temperature, the parameters can remain stable, the electric field distribution on the surface of the terminal is effectively improved, the terminal size is small, and the required installation space is little.


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