Design for high power transmission

Medium voltage cable

Medium voltage (MV) power cables are electrical cables that carry electrical power in the medium voltage range of 1kV to 69kV. They are widely used in various applications, including power distribution, industrial plants, and renewable energy systems. The cable consists of a conductor, insulation, and protective covering, where the conductor is usually made of copper or aluminium, and the insulation material is made of cross-linked polyethylene (XLPE) or ethylene-propylene rubber (EPR) for durability and long lifespan.

MV power cables come in different types such as single-core, three-core, and multi-core cables, depending on the requirements of the electrical system. Single-core cables have one conductor, while three-core cables have three conductors, and multi-core cables have more than three conductors. These cables are designed to operate under a wide range of conditions, such as high voltage, high temperature, moisture, and abrasion. They are rated for use in temperatures ranging from -20°C to 90°C.

MV power cables carry electrical power in the medium voltage range and are critical components of electrical power systems. They consist of a conductor, insulation, and protective covering, and come in various types and sizes to suit specific applications. To ensure durability and a long lifespan, these cables are wrapped in an additional layer of protective covering, such as a metal wire braid or corrugated steel tape, to safeguard against physical damage and environmental factors.

The medium and high voltage cables manufactured by Structure Cables complied to the specifications of:

Standard specifications
IEC 60502-2
  • 6kV to 30kV Cable Design Guidelines
BS 6622
  • 3.8/6.6kV to 19/33kV Design Guidelines
IEC 60840
  • High Voltage Cable Design Guidelines
TNB SPEC
  • Based on Tenaga Nasional Berhad Cable Design Guideline
Download the catalogue for more details on the specifications
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