NDLI: The new role of TIPT on rejuvenation of water tree aged cables

Content Provider	IEEE Xplore Digital Library
Author	Kai Zhou Di Yang Xiantao Tao Wenbiao Tao Mingliang Yang
Copyright Year	2013
Description	Author affiliation: Sch. of Electr. Eng. & Inf. Technol., Sichuan Univ., Chengdu, China (Kai Zhou; Di Yang; Xiantao Tao; Wenbiao Tao; Mingliang Yang)
Abstract	In this paper, a new role of titanium isopropoxide (TIPT) catalyst is revealed on rejuvenation of water tree aged cables, and $inorganic-TiO_{2}$ particles are found in the water tree voids after rejuvenation. A water tree accelerated aging system with a needle electrode is used to obtain water trees in cross-linked polyethylene (XLPE) cable samples. By use of a scanning electron microscope (SEM), agglomerated $nano-TiO_{2}$ particles are found in the water tree areas of the injected samples. Furthermore, through analyzing the products of TIPT hydrolysis by using SEM and energy disperse spectroscopy (EDS), the nano-scale $TiO_{2}$ particles are observed. This proves that the hydrolysis reaction of TIPT can generate the $TiO_{2}$ particles. Breakdown voltage of samples directly injected $TiO_{2}$ particles and the rejuvenated samples are significantly higher than that of the aged samples and the new samples. Also, the $TiO_{2}$ particles are observed inside the breakdown channels of the rejuvenated samples. This indicates the TIPT can react with water in water tree and form the $TiO_{2}$ gel to fill water tree voids. Because of the filling effect of inorganic $TiO_{2}$ particles, the breakdown strength of the rejuvenated cables can be improved, which possibly suppresses the damage generated by the partial discharge inside the water tree.
Sponsorship	IEEE Dielectr. Electr. Insul. Soc.
Starting Page	792
Ending Page	795
File Size	1699915
Page Count	4
File Format	PDF
ISBN	9781479925971
DOI	10.1109/CEIDP.2013.6748320
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-10-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Trees - insulation Aging Cable insulation Partial discharges Power cables delectric property water tree siloxane TIPT rejuvenation Nano-TiO2 particles
Content Type	Text
Resource Type	Article

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Effect of TIPT catalyst on insulation rejuvenation of water-tree aged cables

A new rejuvenation method based on nano-filler for water tree aged cables

Cable Injection Technology

Development of pre-breakdown discharge detection test for aged XLPE cable to find a deteriorating water tree

Effect of Nano-TiO filling on partial discharge properties in air gap defects for cable terminations

Influence of repetitive application of damped AC voltage on insulation performance of water tree aged XLPE cable

Lightning protection for aged cable systems — Problems with water trees

Insight on micro-structures of rejuvenated water-tree cables by two kinds of injection liquids

Insulation status assessment in high voltage cables based on decision tree algorithm

The new role of TIPT on rejuvenation of water tree aged cables

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Effect of TIPT catalyst on insulation rejuvenation of water-tree aged cables

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Cable Injection Technology

Development of pre-breakdown discharge detection test for aged XLPE cable to find a deteriorating water tree

Effect of Nano-TiO filling on partial discharge properties in air gap defects for cable terminations

Influence of repetitive application of damped AC voltage on insulation performance of water tree aged XLPE cable

Lightning protection for aged cable systems — Problems with water trees

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