To properly control according to the operating state of a turbine and reduce cost.
This control system for the turbine oil comprises an input means 10 for inputting the operating state of the turbine to be controlled, an operation rate calculation means 21 calculating the operation rate of the turbine to be controlled based on the input operating state, an operation pattern analyzing means 22 analyzing the operation pattern of the turbine to be controlled, a deterioration degree database 30 storing the deterioration degree of the turbine oil corresponding to a plurality of operation patterns, a determination means 23 providing the deterioration rate of the turbine oil corresponding to an operation pattern similar to the operation pattern of the turbine to be controlled referring to the deterioration degree database 30 and determining times for replenishing and replacing the turbine oil, and an output means 40 outputting the results of determination.
Masafumi
Field saki Akira
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