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  1. rballance

    3 Phase Delta Service

    Thanks. This particular building is approx. 50 years old, and has been changed many times to suit the new tenants. Currently it is a medium sized restaurant and is located at the entrance to an old residential neighborhood. Most of my experience has also been with 120/208V 3 phase services.
  2. rballance

    3 Phase Delta Service

    Thanks Waross, that's what I was looking for. My motor loads are some HVAC air handlers and some small kitchen exhaust hood fans. I will definitely check the motor taps as you mentioned.
  3. rballance

    3 Phase Delta Service

    Hi all, I have a question regarding a service change from a 3 phase delta connected system to a 3 phase wye connected system. I am designing a service upgrade from the existing delta connected system to a wye connected system. The local electric utility will not upgrade delta systems anymore...

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