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  • Users: h20dr
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  1. h20dr

    Electrical current leaks on 4160 volt equipment

    mpparent, Laplacian, waross, Thanks for some of your gray matter. Mpparent, NETA - Looking for this now. Laplacian, None of the piping is underground. All overhead. waross, The pitting is occuring in both the copper condenser tubes and carbon steel piping. (1,000 feet total of 6" and...
  2. h20dr

    Electrical current leaks on 4160 volt equipment

    This chiller plant has 3 X 500 Ton Trane Centrifugal chillers with 4160 vac compressors. Each end of the chiller condensers, compressor motors, pump motors and fan motors are grounded with straps to a common ground grid. The pump and fan motors for cooling towers are 480 VAC. I have severe...
  3. h20dr

    Electrical current leaks on 4160 volt equipment

    rbyrne15, Thanks for your expertise. Will discuss this with the paper mill electricans and electrical engineers. They did not know how to perform this test. Thank you again. Dan
  4. h20dr

    Electrical current leaks on 4160 volt equipment

    The voltage may not have been clear. 4160 Volts AC compressor motor. Dan
  5. h20dr

    Electrical current leaks on 4160 volt equipment

    waross, Thanks for asking. I have been in industrial water treatment 26 years and have never seen pitting corrosion so rapid and with severity in which I have encountered. I have elemined all the possibilities except for a possible electrical current leak from a chiller motor, pump motor or...
  6. h20dr

    Electrical current leaks on 4160 volt equipment

    Can any one give the test procedure for testing for current leaks. This is 4160 voltage and may be causing corrosion in chiller condenser. Each condenser is grounded on each end. h20dr

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