Research and Development of XLPE Insulated DC Cable
نویسندگان
چکیده
منابع مشابه
Long-life Xlpe Insulated Power Cable
Crosslinked polyethylene (XLPE) has become the globally preferred insulation for power cables, both for distribution and transmission system applications. This insulation system provides cost efficiency in operation and procurement, as well as lower environmental and maintenance requirements when compared to older impregnated paper systems. The purpose of this paper is to outline some of the de...
متن کاملThe Influence of Material Modification and Residues on Space Charge Accumulation in XLPE for DC Cable Application
Effects of cross-linking by-products (residues) of polyethylene on space charge accumulation and decay are investigated in the paper using the pulsed electro-acoustic technique. Space charge profiles have shown a great variation both in the charge initiation over the voltage ramping up process and later on long term stressing and decay (volts off) among the samples subjected to different condit...
متن کاملThe Conduction Characteristics of Electrical Trees in XLPE Cable Insulation
Depending on the morphology of the material and applied voltage frequency, three kinds of electrical trees can exist in cross-linked polyethylene (XLPE) cable insulation, which are conducting, non-conducting, and mixed trees with different growth mechanisms. It is suggested that when the needle is inserted into large spherulites, conducting trees will form in those spherulites; when it is inser...
متن کاملA Methodology for the Assessment of Hvdc-xlpe Cable Insulation
The purpose of this work is to present and to discuss a methodology for the assessment of materials intended to HVDC-XLPE cables, particularly as regards the evaluation of the effects of material formulation on space charge accumulation within the insulation. Sample design, testing method and protocol and criteria used for the material evaluation are specifically considered. It will be shown th...
متن کاملResearch on Partial Discharge Localization in XLPE Cable Accessories Using Multi-Sensor Joint Detection Technology
A multi-sensor joint detection technology was proposed based on the theory of the high frequency current transformer (HFCT) method, Ultra-high frequency (UHF) method and acoustic emission (AE) method. An experimental partial discharge (PD) testing was applied on XLPE cable with artificial defect signals. The experimental results show that the multi-sensor joint detection technology will help to...
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ژورنال
عنوان ژورنال: IEEJ Transactions on Power and Energy
سال: 1992
ISSN: 0385-4213,1348-8147
DOI: 10.1541/ieejpes1990.112.10_905