Arc Flash - หน้าหลักqcc.egat.co.th/images/qcc-event/2559/articles/7- ในการค านวณ Arc Flash จะอ้างอิงสูตรจากมาตรฐาน IEEE 1584 IEEE Guide for Performing Arc

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    10-Apr-2018

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  • 1

    Arc Flash

    , ,

    (.) (Global Top Quartile Utility) . (Arc Flash) (Arc Flash) (Arc Flash)

    Arc Flash 35,000 19,426

    1

  • 2

    Arc Flash IEEE 1584 IEEE Guide for Performing Arc Flash Hazard Calculation 2

    < 1000 1000

    2 IEEE 1584

    3 3 1, 2 3 Arc Flash 2 1.2 cal/cm2

    3 , 3 NFPA 70E 2015

    , , , (cal/cm2)

  • 3

    ANSI Z535.4 4 NFPA 70E 2015

    4

    42BFE 2 Arc Flash andy Arc Flash Calculator

    2 , Arc Flash Handy Arc Flash Calculator IEEE 1584

    DANGER

    Incident Energy 7 cal/cm2 Arc Flash Boundary 1.31 m Working Distance 0.455 m PPE 2 Voltage 400 V Limited Approach 1.06 m Restricted Approach 0.3 m

    7 cal/cm2 1.31 0.455 2 400 1.06 0.3

    42BFE

    42BFE

    5 Handy Arc Flash Calculator

  • 4

    Arc Flash Handy Arc Flash Calculator Arc Flash [1] IEEE std. 1584 1584 IEEE Guide for Performing Arc Flash Hazard Calculation. [2] NFPA 70E 2015 Standard for Electrical Safety in the Workplace. [3] ANSI Z535.4 for Product Safety Signs and Labels. [4] http://msamc.org/arcflash/Arc_Flash_Overview_print.html. [5] (..2557) : EIT Standard 022011-14.

    http://msamc.org/arcflash/Arc_Flash_Overview_print.html

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