NDLI: The investigation on dispersion of characteristic parameters for assessment of insulating state and economic feasibility in oil-paper insulation diagnosis

Content Provider	IEEE Xplore Digital Library
Author	Wen Cao Wei Shen Xuetao Shi Baosheng He Kai Wu
Copyright Year	2012
Description	Author affiliation: Shaanxi Electric Power Research Institute, Shaanxi Electric Power Corporation, Xi'an, 710054, China (Wei Shen) \|\| State Key Lab. of Elect. Insulat. and Power Equipment, Xi'an Jiaotong University, Xi'an, 710049, China (Wen Cao; Xuetao Shi; Baosheng He; Kai Wu)
Abstract	The former researches for condition assessment of oilpaper focus on the statistical results of aging factors and diagnostic data, the mechanisms of aging factors and variation law of each characteristics, which can give conclusions of aging status and furthermore, life expectations. However, the questions “How exactly can aging characteristics reflect the aging status”, “To what extent can we believe the diagnostic data” and “How can we choose the precise characteristics to make multi-parameter diagnosis” are still need to be put forward. In this paper the thermal and electrical accelerated aging experiments of oil-paper insulation is put into practice. On the basis of aging test results, in this paper, how the deviation degree of aging characteristic parameters change under the same aging factors are studied, and the multi-parameter diagnosis method is put forward, in which we can see how exactly do parameters reflect the condition status of the insulation. The conclusions are made that more diagnostic parameters may not always benefit and suggestion is given to choose the more precise characteristics in multi-parameter diagnosis.
Starting Page	913
Ending Page	916
File Size	316858
Page Count	4
File Format	PDF
ISBN	9781467310192
e-ISBN	9781467310208
DOI	10.1109/CMD.2012.6416301
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-23
Publisher Place	Indonesia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Water Insulation Aging insulating condition state accelerating test deviation of characteristicparameters oil-paper insulation Dispersion Standards Power transformer insulation
Content Type	Text
Resource Type	Article

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