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Recent content by DavT

  1. DavT

    Schrage Motors (Variable Speed AC Motors)

    Thanks for your help on this on people, it is much apreciated I also thought Schrage was a German as well !!!
  2. DavT

    Schrage Motors (Variable Speed AC Motors)

    I'm looking for some infomation on the efficiency of Schrage motors, I am looking at replacing a 16-50 hp 720 - 1500 rpm unit with a standard motor and inverter setup but need some cost justification,I have searced the likes of ABB & Ferndau Websites to no avail, any ideas of the efficiency rane...
  3. DavT

    Inverter Power Losses

    Can any one advise what the power used by a Hitachi L300P 22kW/30HP inverter would be when powered up but in Standby mode, I have looked through the Hitachi manual and can see no figures given, does any one have any ideas ?
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