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Recent content by ralft

  1. ralft

    I would like to know the relative e

    Thanks for the suggestion, jbartos, but I couldn't find any effciency info for single phase motors.
  2. ralft

    I would like to know the relative e

    Thanks for the reference but I couldn't find any info on 1 phase motor efficiency. Instead, they seem to consistently say "single phase motors are not required to meet EPAct efficiencies".
  3. ralft

    I would like to know the relative e

    I would like to know the relative efficiency of a 5 HP single phase vs. a 3 phase induction motor. The application is an air conditioning compressor (hermetically sealed motor). The same question would apply to a quirrel cage fan motor 1 HP.
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