NDLI: Investigation of cable and its accessory insulation in extruded HVDC cable

Content Provider	IEEE Xplore Digital Library
Author	Pan Tang Jin Gu Qiaohua Wang Xuguang Li Yi Yin
Copyright Year	2011
Description	Author affiliation: Jiading power Co., Shanghai Electr. Power Co., Shanghai, China (Jin Gu) \|\| Dept. of Electr. Eng., Shanghai Jiao Tong Univ., Shanghai, China (Pan Tang; Qiaohua Wang; Xuguang Li; Yi Yin)
Abstract	Polymer insulated HVDC cable and its accessories are one of the most important equipments in flexible DC power transmission and space charge inhibition is always a problem to solve by science and engineering of electrical insulation. Since the 1980's, there are lots of papers on space charge in cables reported, and there are few papers on electric insulation of accessory. Most of researchers and engineers focus on how to suppress the space charge in cable insulation. However, there is much amount of space charge at the interface between cable insulation and accessory insulation considering there is a big difference of ratios between dielectric constant and conductivity of cable and accessory insulation. And this space charge might distort the local electric field near the interface. Based on the consideration above, both of silicon rubber (SIR) and ethylene-propylene-divinyl (EPDM) rubbers with the same nano-filler of aluminum $(Al_{2}O_{3})$ were investigated at various temperatures. It is found that the conductivity of SIR varies more sensitively than that of EPDM rubber. In order to know which rubber matches cable insulation better, three kinds of commercial cable insulation (A, B and C) have been taken into account. It is found that EPDM with nano-filler of alumina matches A the best.
Starting Page	421
Ending Page	424
File Size	334178
Page Count	4
File Format	PDF
ISBN	9784886860743
e-ISBN	9784886860743
DOI	10.1109/ISEIM.2011.6826359
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-06
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	The Institute of Electrical Engineers, Japan
Subject Keyword	Cable insulation Conductivity Stress Space charge Temperature sensors HVDC transmission nanocomposite dc conductivity HVDC cable EPDM SIR Polyethylene
Content Type	Text
Resource Type	Article

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Investigation of space charge at the interface between the insulation of cable and its accessory

Space charge in HVDC cable insulation

Recent experiments on space charge and transport in polyethylene under high DC field

Influence of the semiconductive material on space charge build-up in extruded HVDC cables

Measurements of leakage current and field enhancement in extruded model cables at HVDC

The role and measurement of DC conductivity for HVDC cable insulation materials

HVDC Extruded Cables-Parameters for Determination of Stress

The coming of Age of HVDC extruded power cables

Dependence of DC insulation resistivity of polyethylene on temperature and electric field

Investigation of cable and its accessory insulation in extruded HVDC cable

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