Wiboonrat, Montri

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Wiboonrat, Montri
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montri.wi@kmitl.ac.th

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    Item type:Publication,
    Condition Based Maintenance for Data Center Operations Management
    (2019-07-01)
    Wiboonrat, Montri
    Power distribution system (PDS) of data center has designed for high reliability and fault tolerance by deploying a redundant topology. Optimal data center reliability requires 4 principals which consist of topology design by standard; reliable components or mean time between failures (MTBF); real-Time monitoring by data center infrastructure management (DCIM); and preventive maintenance through data center operations. However, data center needs more proper operations and maintenance approach to avoid planned and unplanned downtime. The best practice for data center operations management should be applied predictive maintenance or condition-based maintenance (CBM) to monitoring of critical components and systems. These processes will ensure that the system parameters will perform on their functions, and estimate remaining useful life of components for critical mission. Time-based maintenance (TBM) (preventive maintenance) has been applies for supplementary PDS components that define as not mission critical systems. This research proposes a model of preventive and predictive maintenance (PPM) for PDS of data center, which has been verified to improve maintenance efficiency and reduce operating costs of repair time and inventory. How to identify potential problems in early state before component and system failures are the key to prevent planed and unplanned downtime.
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    Item type:Publication,
    Data center investment vs. System reliability in power distribution systems
    (2019-05-01)
    Wiboonrat, Montri
    Power failures are the major causes of data center downtime. Reliability analysis of power distribution systems (PDS) of data center evokes representing a system as collection of subsystems to characterize the reliability of each part of the whole system. Therefore, understanding of reliability at the component level is fundamental to develop accurate estimate of system reliability and prevent system failures. Moreover, realization in the component level help to estimate overall investment of each systems topology. To improve system reliability, it can perform through redundant topology, however redundant components and systems is increasing investment and complexity of data center system. Balancing between cost of downtime and cost of reliability can be differed from business to business. This research purpose optimal method analysis (OMA) to quantify the proper investment against the cost of data center downtime.