Analysis Of The Reasons For High Starting Voltage In Cold Shrink Cable Accessories
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The high starting voltage of Cold Shrink Cable Accessories stems from the synergistic effect of materials and structure: the pre-stretched elastomer (such as EPDM/silicone) generates continuous compressive stress at the insulating interface after retraction, suppressing local field spikes. The built-in electric stress control layer (stress cone or high dielectric constant Hi-K material) alters the electric field distribution, reducing electric field concentration at the semiconductor fracture.
