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Archive: Category «Cables»

Cables

Measurement of insulation resistance (IR)

The measurement of insulation resistance is a common routine test performed on all types of electrical wires and cables. As a production test, this test is often used as a… Read more

Apr 28, 2012 | By jiguparmar

Megger MIT1020 10-kV insulation resistance testers are all designed specifically to assist the user with the testing and maintenance of high voltage equipment
Cables

Copper or aluminium? Which one to use and when?

Apart from their electrical conductivity, the other technologically important properties of copper and aluminium differ so significantly (density is an obvious example) that their areas of application are and have… Read more

Mar 16, 2012 | By Edvard

System with two copper bus bars
Cables

Discussing About LV And HV Electrical Cables

Space is really a critical criterion when discussing electrical cables and wires. In a low-voltage (LV) plastic-sheathed cable with conductor cross-sections of up to 10 mm2 per conductor or in… Read more

Feb 08, 2012 | By Edvard

High-voltage cable cross section
Cables

EHV/HV Underground Cable Sheath Earthing (part 1/2)

In urban areas, high voltage underground cables are commonly used for the transmission and distribution of electricity. Such high voltage cables have metallic sheaths or screens surrounding the conductors, and/or… Read more

Jan 19, 2012 | By jiguparmar

21/35(40.5)KV 3-core XLPE/PVC/steel tape armor power cable
Cables

Fire Properties Of Cables

This is an area of increasing public and legislative concern, and therefore of increasing interest to engineers. There have been major advances in the fire performance of cables in recent… Read more

Nov 21, 2011 | By Edvard

KBS cable coating fire protection
Cables

Partial Discharge Testing On Power Cable Systems

Partial discharge measurement is an important method of assessing the quality of the insulation of power cable systems, particularly for extruded insulation materials. This article considers partial discharge from two… Read more

Nov 18, 2011 | By Edvard

On-Line Partial Discharge Testing 27.6 kV XLPE Cable
Cables

Ionization (Corona Discharge) Tests

The ionization test is used primarily for detecting ionization (corona discharge) and slot discharge in generator windings. Both ionization and slot discharge may cause deterioration of insulation. Ionization generally occurs… Read more

Sep 24, 2011 | By Edvard

End winding of generator - Partial discharge


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