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  1. Steamintrains

    Wound Rotor Secondary Current vs Brush wear

    I believe the secondary is rated at 1,200 amps I out a CT on one phase of the buss connections feeding the Liquid starter (there is only one per phase) Starting method is a Liquid Starter
  2. Steamintrains

    Wound Rotor Secondary Current vs Brush wear

    I have a couple of 6,000 HP wound rotor motors that are using a lot of brushes. Besides the cost and maintenance of the brushes, the resulting carbon dust is killing my motors. I have had several failures of these motors over the past ten years or so. We also have to pull the motors and do full...

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