Cable Termination (End Sealing) Installation: MV cables cannot be connected directly to switchgear or transformers. “Heat-shrink” or “Cold-applied” terminations are used to control electrical stress at the cable end. In this process, the semiconductive layer of the cable is removed with millimeter precision.
Cable Jointing (Splicing) Sleeves: These are special kits used to connect two MV cables together. The insulation at the joint must be stronger than the cable’s own insulation; otherwise, even the smallest air gap can cause the cable to fail.
Cable Laying and Bending Radius: MV cables are heavy and very rigid. To prevent damage to the copper or aluminum conductor inside, the minimum bending radius rule is followed. Generally, the cable should be bent with a radius 15–20 times its diameter.
Screen Grounding: The copper screen wires around MV cables must be connected to the switchgear grounding busbar. This ensures that capacitive currents along the cable are safely discharged to the ground.
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