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Archive: Category «Cables»

Cables

Understanding Underground Electric Transmission Cables

Underground cables have different technical requirements than overhead lines and have different environmental impacts. Due to their different physical, environmental, and construction needs, underground transmission generally costs more and may… Read more

Sep 21, 2011 | By Bipul Raman

Underground XLPE cables left to right: 345 kV, 138 kV, 69 kV, and distribution
Cables

General considerations when choosing power cable

Thousands of cable types are used throughout the world. They are found in applications ranging from fibre-optic links for data and telecommunication purposes through to EHV underground power transmission at… Read more

May 04, 2011 | By Edvard

General considerations when choosing power cable
Cables

Offshore wind farms – transmission cables

The European wind power industry is increasingly turning to the offshore wind resource, and the United States will draw on the Europeans’ experience as we begin to plan offshore wind… Read more

Mar 23, 2011 | By Edvard

Offshore wind farms - transmission
Cables

Electrical Wire – How It’s Made

Wikipedia: Electrical wiring in general refers to insulated conductors used to carry electricity, and associated devices. This article describes general aspects of electrical wiring as used to provide power in… Read more

Feb 03, 2011 | By Edvard

Cables

Oxidation Of Conductors

High-resistance oxides form very quickly on aluminum and copper conductors expose to air. Once the oxides are stabilized, they prevent further oxidation of the parent metal; however, due to this… Read more

Jan 16, 2011 | By Edvard

Oxidation Of Conductors
Cables

Comparison Of Cable Insulating Materials

Electrical insulation materials are employed over the metallic conductors of underground cables at all voltage ratings. Polymeric materials are employed as the insulation, but the nature of the polymer may… Read more

Jan 03, 2011 | By Edvard

XLPE Insulated Power Cable
Cables

Shielding Of Power Cables

Medium and high-voltage power cables, in circuits over 2000 volts, usually have a shield layer of copper or aluminum tape or conducting polymer. If an unshielded insulated cable is in… Read more

Dec 12, 2010 | By Edvard

Shielding of power cables
Cables

Types of Underground Lines

There are two methods of installing underground lines. In the first method, underground raceway systems (ducts) are installed below grade and then cable is pulled through them. Ducts may or… Read more

Oct 22, 2010 | By Edvard



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