Open phase condition scenarios for nuclear power plant electrical network studies

Anna Kulmala, Antti Alahaivala

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    1 Citation (Scopus)

    Abstract

    Open phase condition (OPC) is a situation where one or two phases of the feeding network are disconnected and the voltages become unbalanced. In a nuclear power plant (NPP), OPC can be a source of common cause failure and needs to be, therefore, carefully analyzed. There have been events where NPP safety has been compromised because the OPC has not been detected properly by plant protection and safety critical components have been disconnected by their own protection. This paper describes the scenarios that need to be studied to ensure safe operation of NPPs also when an OPC occurs.

    Original languageEnglish
    Title of host publication2019 IEEE Milan PowerTech, PowerTech 2019
    PublisherIEEE Institute of Electrical and Electronic Engineers
    Number of pages6
    ISBN (Electronic)978-1-5386-4722-6
    ISBN (Print)978-1-5386-4723-3
    DOIs
    Publication statusPublished - Jun 2019
    MoE publication typeA4 Article in a conference publication
    Event2019 IEEE Milan PowerTech, PowerTech 2019 - Milan, Italy
    Duration: 23 Jun 201927 Jun 2019

    Conference

    Conference2019 IEEE Milan PowerTech, PowerTech 2019
    Country/TerritoryItaly
    CityMilan
    Period23/06/1927/06/19

    Keywords

    • Nuclear power generation
    • Open phase condition
    • Power system analysis
    • Voltage unbalance

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