Reducing SCADA System Nuisance Alarms in the Water Industry in Northern Ireland

Nigel O'Donoghue, Debra H. Phillips, Ciaran Nicell

    Research output: Contribution to journalArticle

    2 Citations (Scopus)
    521 Downloads (Pure)

    Abstract

    The advancement of telemetry control for the water industry has increased the difficulty of 14 managing large volumes of nuisance alarms (i.e. alarms that do not require a response). The aim 15 of this study was to identify and reduce the number of nuisance alarms that occur for Northern 16 Ireland (NI) Water by carrying-out alarm duration analysis to determine the appropriate length of 17 persistence (an advanced alarm management tool) that could be applied. All data was extracted 18 from TelemWeb (NI Water’s telemetry monitoring system) and analysed in Excel. Over a 6 19 week period, an average of 40,000 alarms occurred per week. The alarm duration analysis, which 20 has never been implemented before by NI Water, found that an average of 57% of NI Water 21 alarms had a duration of <5 minutes. Applying 5 minute persistence; therefore, could prevent an 22 average 26,816 nuisance alarms per week. Most of these alarms were from wastewater assets.
    Original languageEnglish
    Pages (from-to)751-757
    Number of pages7
    JournalWater Environment Research
    Volume87
    Issue number8
    Early online date24 Mar 2015
    DOIs
    Publication statusPublished - 01 Aug 2015

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