| 摘要 |
PROBLEM TO BE SOLVED: To reduce the maintenance cost of a gas turbine. SOLUTION: In a rotation planning of gas turbine high-temperature components, a remaining life time of the gas turbine high-temperature components at a time point of a future inspection of the gas turbine is found (step 1), the remaining life time and a next scheduled operation time of the high-temperature components are compared to each other (step 2), when the remaining life time does not satisfy the next scheduled operation time (step 2; Yes) and if a processing inspection is a self-inspection (step 5; N inspection), the timing of the self-inspection is changed, or if the processing inspection is a periodic inspection 3 (step 6; periodic inspection), the timing of the self- inspection performed before the periodic inspection is changed, to minimize the remaining life time at disposing of the high-temperature components.
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