Maintenance Schedule Optimization for Turnaround Hot Gas Path Inspection of Gas Turbine in North Duri Cogeneration Plant Using Impact Method release_ja5u3xbs3bhbjddfj6lr2xorji

Abstract

North Duri Cogeneration Plant (NDC) is once of Chevron asset in IndoAsia Business Unit. The NDC location is in Duri, Province of Riau, Indonesia. The NDC has 3 units gas turbine and each unit has been combined with Heat Recovery Steam Generator (HRSG). An unit gas turbine NDC is produce electricity of 100 MW, and 1 unit of HRSG NDC that is produce steam of 360,000 BCWEPD (Barrel Cool Water Equivalent per Day). Hot gas path inspection (HGPI) is maintenance activities gas turbine, which routine scheduled in NDC every 3 years per unit. Maintenance schedule for turnaround HGPI gas turbine at NDC should be optimizing. By optimized of HGPI maintenance schedule can be maximized work plan, which is comply of 4 Key Performance Indicators there are Safety, Quality, Schedule and Cost through Initiative for Managing PA Cesetter Turnarounds (IMPACT). The result of optimal electricity production was increased by 13,174 MWh and the steam generated from units in NDC of mass total steam of 126,661 Mlbm and 371,827 BSPD.
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