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Maintenance strategy forf power plant
1. Thermal powerplantiscomposedof steamboiler,steamturbine,furnace andchimney[2].
Accordingto DamianFlynnandConstantine Samaras,steamboilerhasthe highestinmajoroutage
and maintenance costasillustratedinFig1[3,4]. Powerplantboiler isthe mostcomplicated
industrial componentwhichinvolvedthe nonlinear,phase-changeandinverse-response
performance andplaysasan importantequipmentinmodellingandsimulationchallenge [5].Boiler
inadequacyandabruptshutdownsincur lossesto annual revenuesandharmothermain
components[6].Therefore,eachequipmentmustbe maintainedefficiently.
Maintenance strategycanbe definedasmaintenance techniquethatbeenusedinanindustry.
There are three mainmaintenance strategiesthatused widelyinanindustrywhichare corrective
maintenance,predictive maintenance andpreventivemaintenance.Preventivemaintenance (PM) is
definedasaschedulingmaintenance where the maintenanceisscheduledtominimize breakdown
or failure.PMisusedwidelywhichrelate toage of the equipment.Inordertobuilda PMsystem, it
isimportantto prioritize machinerywithhighnumberof shutdownandrepairs andthe mosttime-
consumingmaintenanceactivityisthe overhaul.The overhaulingprocessisthe processcomprisesof
cleaning,repairingandtestingselectedequipment.Everyoverhaulingprocessneedthe systemtobe
shutdownfor an estimateddurationof 35 to 40 days.
Maintenance strategyselectionisveryimportantinindustriesnowadays.BasedonDerykAnderson,
80% of preventive maintenance costare investedonthe maintenance schedulingwhichrunning
within30 days andanother30% to 40% of the costs are investedonunnecessarybreakdowns.
These are mainlydowntoinefficientmaintenance processasredundantactivitiesconsume longer
duration,oraging equipment.Redundancyinmaintenance activitiesisalsoone of the factorsthat
affectthe operationdeterioration.Rankingandprioritizationprocessinmaintenance activitiesis
adoptedinthisworkto solve the problem.
![Thermal powerplantiscomposedof steamboiler,steamturbine,furnace andchimney[2].
Accordingto DamianFlynnandConstantine Samaras,steamboilerhasthe highestinmajoroutage
and maintenance costasillustratedinFig1[3,4]. Powerplantboiler isthe mostcomplicated
industrial componentwhichinvolvedthe nonlinear,phase-changeandinverse-response
performance andplaysasan importantequipmentinmodellingandsimulationchallenge [5].Boiler
inadequacyandabruptshutdownsincur lossesto annual revenuesandharmothermain
components[6].Therefore,eachequipmentmustbe maintainedefficiently.
Maintenance strategycanbe definedasmaintenance techniquethatbeenusedinanindustry.
There are three mainmaintenance strategiesthatused widelyinanindustrywhichare corrective
maintenance,predictive maintenance andpreventivemaintenance.Preventivemaintenance (PM) is
definedasaschedulingmaintenance where the maintenanceisscheduledtominimize breakdown
or failure.PMisusedwidelywhichrelate toage of the equipment.Inordertobuilda PMsystem, it
isimportantto prioritize machinerywithhighnumberof shutdownandrepairs andthe mosttime-
consumingmaintenanceactivityisthe overhaul.The overhaulingprocessisthe processcomprisesof
cleaning,repairingandtestingselectedequipment.Everyoverhaulingprocessneedthe systemtobe
shutdownfor an estimateddurationof 35 to 40 days.
Maintenance strategyselectionisveryimportantinindustriesnowadays.BasedonDerykAnderson,
80% of preventive maintenance costare investedonthe maintenance schedulingwhichrunning
within30 days andanother30% to 40% of the costs are investedonunnecessarybreakdowns.
These are mainlydowntoinefficientmaintenance processasredundantactivitiesconsume longer
duration,oraging equipment.Redundancyinmaintenance activitiesisalsoone of the factorsthat
affectthe operationdeterioration.Rankingandprioritizationprocessinmaintenance activitiesis
adoptedinthisworkto solve the problem.](https://image.slidesharecdn.com/maintenancestrategyforfpowerplant-200524155907/85/Maintenance-strategy-forf-power-plant-1-320.jpg)
