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  1. 29-01-2014, 07:18 PM #13
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    nike123
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    Re: Megger a compressor on a City Multi

    Some insulations in use since 1975 have improved insulating values that may not readily allow leakage current, may have insulation-resistance-testing values near 20,000 megohms (20 gigohms), and may be unacceptable for use if insulation-resistance-testing values are below 100 megohms, regardless of whether or not the windings have surface contaminants.
    http://flic.kr/p/jAZe2W

    http://hpac.com/motors-drives/testing-hvac-motors-0509

    http://www.pearl1.org/standards/Tabl...0Electrica.pdf

    http://www.ewh.ieee.org/cmte/pes/mat...t_May-08R1.pdf
    Last edited by nike123; 29-01-2014 at 07:39 PM.
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