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    Strain Analysis of Vacuum Interrupter Bellows

    Source: ASME Open Journal of Engineering:;2024:;volume( 003 )::page 35001-1
    Author:
    Yoshida, Keiko
    ,
    Ueda, Masashi
    ,
    Nishimura, Yusuke
    ,
    Kajinami, Nobuhiko
    ,
    Kitamura, Toru
    DOI: 10.1115/1.4066793
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: The vacuum interrupter (VI) is the main part of the vacuum circuit breaker (VCB), and an essential component of its design is the bellows. In future high-voltage VCBs, faster switching speeds will lead to higher dynamic impact-type loads, and the oscillation of the bellows after the contact opening and closing could shorten the mechanical life of the bellows. This article provides a 1D computer-aided engineering (CAE) analysis of the strain of the bellows oscillation in a VI caused by the axial load from the impact of the contact. A formula for the oscillation is derived using the longitudinal vibration response of a mass-spring 1D model, calculated by the convolution integral of the input and the impulse response function of the vibration modes. The proposed 1D analysis was verified and shown to be effective under four different experimental conditions. This article also provides a 1D CAE analysis of the mechanical life of the bellows. These 1D analyses estimate the effect of stress reducing countermeasures on the bellows' lifetime without increasing its size.
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      Strain Analysis of Vacuum Interrupter Bellows

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4305837
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    contributor authorYoshida, Keiko
    contributor authorUeda, Masashi
    contributor authorNishimura, Yusuke
    contributor authorKajinami, Nobuhiko
    contributor authorKitamura, Toru
    date accessioned2025-04-21T10:16:10Z
    date available2025-04-21T10:16:10Z
    date copyright10/28/2024 12:00:00 AM
    date issued2024
    identifier issn2770-3495
    identifier otheraoje_3_035001.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4305837
    description abstractThe vacuum interrupter (VI) is the main part of the vacuum circuit breaker (VCB), and an essential component of its design is the bellows. In future high-voltage VCBs, faster switching speeds will lead to higher dynamic impact-type loads, and the oscillation of the bellows after the contact opening and closing could shorten the mechanical life of the bellows. This article provides a 1D computer-aided engineering (CAE) analysis of the strain of the bellows oscillation in a VI caused by the axial load from the impact of the contact. A formula for the oscillation is derived using the longitudinal vibration response of a mass-spring 1D model, calculated by the convolution integral of the input and the impulse response function of the vibration modes. The proposed 1D analysis was verified and shown to be effective under four different experimental conditions. This article also provides a 1D CAE analysis of the mechanical life of the bellows. These 1D analyses estimate the effect of stress reducing countermeasures on the bellows' lifetime without increasing its size.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleStrain Analysis of Vacuum Interrupter Bellows
    typeJournal Paper
    journal volume3
    journal titleASME Open Journal of Engineering
    identifier doi10.1115/1.4066793
    journal fristpage35001-1
    journal lastpage35001-9
    page9
    treeASME Open Journal of Engineering:;2024:;volume( 003 )
    contenttypeFulltext
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    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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