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  1. BruceC

    Busbar Drilling

    Hello, Can anyone give me information on the ampacity-rating effect of drilling holes (for conductor terminations) into copper busbar? Thank you in advance! BruceC
  2. BruceC

    Paralleling Power Transformers

    Thank you all for the helpful comments! I already have the necessary protections in place with shunt trip breaker, over/under freq. and voltage etc. Remote emergency stop and run/stop indication. Since the utility provides the field excitation for the generator (excess steam is prime mover...
  3. BruceC

    Paralleling Power Transformers

    Thank you for your response. I will try to explain in better detail what I am attempting to do. I have a 150kW Induction generator with a 480 volt, 3-phase output. I would like to connect the power output of this generator to an existing distribution switchgear bus which is fed from a...
  4. BruceC

    Paralleling Power Transformers

    Hi, I need to parallel a Y - Y 4800-208/120 transformer to a 480-208/102 transformer. The 480 transformer is fed by the output of a small induction generator (so it consumes VARs) which is fed by the same 4800-208/120 transformer. Will the 480-208/120 also need to be a Y - Y configuration...
  5. BruceC

    Busbar Enclosure Design

    Hi, Can anyone help me with how I convert available fault current into required mechanical bracing in an enclosure housing busbars. Thank you.
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