Medium Voltage Cable Construction

Perhaps the biggest difference between low and medium voltage cables is their construction.

Medium voltage cable construction.

The focus is on thermoplastic and thermosetting insulated cables however the construction of other cables are similar. Medium voltage power cables. With its extensive technical and engineering expertise and a state of the art compound facility general cable is committed to using materials with the best overall properties to create the most comprehensive line of industrial power cables to meet your design requirements. Those of 2 to 33 kv are usually called medium voltage cables those over 50 kv high voltage cables.

Low smoke halogen free cables. The conductor the conductor shield the insulation the insulation shield the metallic shield and the jacket. Most medium voltage designs offer extra protection to prevent the build up of potential charges anywhere along the cable. Medium voltage cables mv cables in electrical construction conductor sizes shall be metric as shown conductor sizes with cross sectional areas smaller than specified will not be accepted.

The cable layers of medium voltage cables for the 6 30kv voltage range is as follows from innermost to outermost layer. Yes the basic construction of this type of cable as well as its physical and electrical performance properties are very similar from one make to. A prysmian technology. Construction products regulation cpr fire resistant cables.

Commercial industrial. Other layers can include water blocking tapes rip cords and armor wires. May 19 2018 admin power engineering high voltage cable construction. Medium voltage underground cables 4 cable l cable power circuit design 7 n conductor 7 8 n conductor screen 8 n insulation 8 n insulation screen 8 9 n metallic screen 9 10 n outer protective sheath 10 11 l table of cable elements 12 l cable constructions 13 l cable drums 14 l cable tests following production 15 accessories l introduction 16 l connectors and lugs 16.

Modern hv cables have a simple design consisting of few parts. Low fire hazard fire resistant solutions. Although there is more than one way to. Medium voltage cable construction.

Low voltage power cables. However as you can find in this article an electrical cable is a well thought out piece of engineering that has to withstand enormous stress. Conductor inner conductive layer insulation outer conductive layer separation tape copper shield separation layer. An aluminum or copper conductor.

A typical single conductor low voltage design is usually constructed of the following. The cable installation shall include all trench work sleeves ducts and all necessary fixings and cable terminations at both ends of the cable. A power cable could appear as a simple electrical device a conductor wrapped in an insulation. Shielded 90 degrees c type mv 90 medium voltage mv power cane 5kv to 35kv has long been considered a commodity product with little differentiation seen between competing product offerings.

For medium voltage cable types with longitudinal or transverse water tightness an additional aluminium foil and. General cable is recognized as a world class leader in the development and design of medium voltage industrial cables.