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概要

If we try to check the effectiveness of maintenance activities in nuclear power plant, it is necessary to evaluate plant performance from the viewpoint of nuclear safety and economy efficiency. So, the relation among maintenance performance targets, maintenance performance indicators and maintenance key parameters important to nuclear safety and economic efficiency was made clear, and then a method to evaluate the effectiveness of maintenance activities was discussed. As a result of consideration, it was concluded that the maintenance performance indicators proposed in this paper can evaluate maintenance effectiveness and can show the direction of improving existing maintenance program because the relation with maintenance performance target and maintenance key parameters is clear.

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