High-voltage insulation body for cable terminations providing electrical isolation and environmental protection.
The insulation body is a critical component in high-voltage insulated cable terminations, designed to provide reliable electrical insulation between the cable conductor and the surrounding environment. It prevents electrical discharge, corona formation, and flashover by maintaining dielectric strength under high voltage stress, while also offering mechanical support and environmental sealing against moisture, contaminants, and UV radiation.
诱因 → 失效模式 → 工程缓解
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To provide electrical isolation between the energized conductor and ground, prevent surface tracking and flashover, and protect against environmental factors like moisture and contamination.
Based on voltage rating, environmental conditions (pollution level, UV exposure, temperature extremes), mechanical requirements, and compatibility with cable insulation material (XLPE, EPR, etc.).
Surface tracking due to contamination, electrical treeing from voids or impurities, thermal degradation from overload, mechanical damage during installation, and loss of hydrophobicity.
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说明目标数量、应用场景、交期和关键技术要求，用于准备 RFQ 或供应商评估。