Using of Proactive Maintenance for a Solar Power Plant
Keywords:
Solar Power Plant, Availability, Proactive Maintenance, FMEAAbstract
A solar power plant under the study is the one, which has already had a preventive maintenance program. However, as the plant operation proceeded, more machine failures were noted. This implies that the implemented preventive maintenance might not be adequate to prevent the failure of the machines. The present study therefore aimed to integrate proactive maintenance program into the strategy of the plant. The study was conducted by first analyzing the failure mode and its effect by failure modes and effect analysis. Criteria on severity (S), occurrence (O) and detection (D) were established; risk priority number was then evaluated. Priority of the problems to analyze and to find the solutions was then assigned. The solutions were finally put into the proactive maintenance program. Such a program consisted of improving the maintenance program itself as well as improving the machines to reduce the occurrence of failures. After implementing the program, the average availability value increased from 99.43%to 99.69%, while the standard deviation decreased from 1.20% to 0.41%. The number of failures decreased by 40.28% and the power loss of production capacity could be reduced by 28.44%
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