NDLI: Chemical treatment of URD cables

Content Provider	IEEE Xplore Digital Library
Author	Chatterton, W.J. Dionne, J.
Copyright Year	2009
Description	Author affiliation: Transelec Common, Montreal, P.Q., Canada (Dionne, J.) \|\| UtilX Corporation, Seattle, WA, USA (Chatterton, W.J.)
Abstract	Cable rejuvenation fluids have been safely injected into cables for more than 20 years. This process increases the dielectric strength of the cable and removes the water trees plaguing older polyethylene cables. The increased dielectric strength and the removal of water trees leads to a considerable increase in the remaining life of the cable. This paper first looks at the early stages of the injection process. A look at how long it takes the fluid to move from the conductor into the PE insulation is calculated. Next, the basic chemistry of the water tree filling and fluid oligomerization is addressed. The resultant fluid is then tracked by diffusion in the polyethylene to give an estimate of how long the fluid stays in the insulation. This can give a cable owner comfort in the length of time the cable should maintain in reliable service. This cable is looked at from the start of injection to the end of its useful life.
Starting Page	500
Ending Page	503
File Size	256322
Page Count	4
File Format	PDF
ISBN	9781424439157
DOI	10.1109/EIC.2009.5166399
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-31
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Chemicals Cables Trees - insulation Dielectric breakdown Polyethylene Conductors Dielectrics and electrical insulation Chemistry Filling Insulation life
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Effect of Thermal Overload on the Voltage Breakdown Strength of Service-Aged URD Cables

Extending Service Life of Installed 15-35 KV Extruded Dielectric Cables

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Extending the service life of 15 kV polyethylene URD cable using silicone liquid

Sulfide Attack and Treeing of Polyethylene Insulated Cables - Cause and Prevention

Chemical treatment of URD cables

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