Muhammad Hudzaly Hatala, Bambang Purwanggono Sukarsono, Denny Nukertamanda
{"title":"Risk and Reliability Improvement Analysis of Boiler System Using FMECA Method. Case Study : PLTU Nii Tanasa Kendari.","authors":"Muhammad Hudzaly Hatala, Bambang Purwanggono Sukarsono, Denny Nukertamanda","doi":"10.26877/asset.v5i1.14902","DOIUrl":null,"url":null,"abstract":"A PLTU must carry out operational tasks continuously to meet electricity needs. Based on historical data PT. PJB Service Kendari for the last three years, there has been an increasing trend of downtime and derating at PLTU Nii Tanasa Kendari. The boiler system is one of the systems that often experiences disturbances. The purpose of this research is to carry out a risk analysis and improve reliability using the FMECA method and reliability calculations. FMECA is required to carry out a risk analysis to find out in detail ways of mitigating risks, sorting and labeling risks for critical components based on the RPN. The results of reliability calculations based on MTTF found that 9 out of 13 critical components had a reliability value below 50%; increasing reliability values could be achieved using preventive maintenance (Rm(t)), and maintaining reliability values above 60% could be achieved using periodic component replacement (R(t-nT)).","PeriodicalId":414022,"journal":{"name":"Advance Sustainable Science Engineering and Technology","volume":"57 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advance Sustainable Science Engineering and Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.26877/asset.v5i1.14902","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A PLTU must carry out operational tasks continuously to meet electricity needs. Based on historical data PT. PJB Service Kendari for the last three years, there has been an increasing trend of downtime and derating at PLTU Nii Tanasa Kendari. The boiler system is one of the systems that often experiences disturbances. The purpose of this research is to carry out a risk analysis and improve reliability using the FMECA method and reliability calculations. FMECA is required to carry out a risk analysis to find out in detail ways of mitigating risks, sorting and labeling risks for critical components based on the RPN. The results of reliability calculations based on MTTF found that 9 out of 13 critical components had a reliability value below 50%; increasing reliability values could be achieved using preventive maintenance (Rm(t)), and maintaining reliability values above 60% could be achieved using periodic component replacement (R(t-nT)).
基于FMECA方法的锅炉系统风险与可靠性改进分析。案例研究:PLTU Nii Tanasa Kendari。
PLTU必须连续执行运行任务以满足电力需求。根据过去三年PT. PJB Service Kendari的历史数据，PLTU Nii Tanasa Kendari的停机时间和降率呈上升趋势。锅炉系统是经常受到扰动的系统之一。本研究的目的是利用FMECA方法和可靠性计算进行风险分析，提高可靠性。FMECA需要根据RPN进行风险分析，详细找出降低风险的方法，对关键部件进行风险分类和标记。基于MTTF的可靠性计算结果发现，13个关键部件中有9个的可靠性值低于50%;通过预防性维护(Rm(t))可以提高可靠性值，通过定期部件更换(R(t- nt))可以使可靠性值保持在60%以上。
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