ファジィ推論エキスパートシステムによるCVケーブルの絶縁劣化診断

概要

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In this paper, we describe an expert system on deterioration diagnosis of insulation of the 6.6kV class XLPE cables which are used as practical power cables for distribution lines. The expert system enables us to make the deterioration diagnosis under conditions on "live wire" Fuzzy inference it used as inference engine to reflect knowledge and experience of experts. Main diagnosis rule of the system is constituted by their actual knowledge and heuristic experience. Moreover, this system has the advantage that residual breakdown voltages of the XLPE cables can be estimated at certain grades obtained by the fuzzy inference or certain values measured by a dielectric loss tangent test. It is shown that simulation results of the system agree well with diagnosis results of the experts. Finally, it is concluded that the system is promising for assisting deterioration diagnosis of the XLPE cables.
東海大学の論文