電力設備群余寿命の経年変化と保全管理

概要

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This paper proposes new concept concerning the residual life of a power equipment group. The expectancy life of equipment group (defined as ‘equipment-residual-life’ in this paper) is gradually approach to zero as time passing just as like ‘human-life’. If the worn-out equipment replaces by new one successively for substituting its role in the power system, the residual life of equipment group up to the replacement time (defined as ‘replacement-residual-life’ in this paper) converges to the half of equipment mean life. This paper analyses the stochastic property and the yearly change of the equipment-residual-life and the replacement-residual-life by assuming the normal probability density function as the equipment life distribution. The typical simulations are illustrated for verifying the stochastic approaches and for discussing the related maintenance management.
社団法人電気学会の論文
2009-11-01