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  • Users: debco99
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  1. debco99

    Panel Building

    A few times a year I build panels for machine tool retrofits usally 3 phase 480. I always ground one side of the 115 vac control transformer as well as the 24vdc and -+15 vdc supplies. These are grounded to coppper plate (in the panel) and usally connected to a ground rod and the primary...
  2. debco99

    Transformer

    Im using a 15 kva 440 vac pri. 400 vac sec. Y transformer in a 3 phase servo drive application do I need to be concerned about K factor?? Thanks in advance (trans center tapped to ground)
  3. debco99

    GE Servo Motors

    Does anyone have a source for old ge motors (servo) circa mid 70's so I can look up specifications. Thanks in advance
  4. debco99

    Two Speed Motor

    Is it possible to use a vfd on a two speed motor? Can the motor be rewound or wired different to allow this.

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