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  1. TempleRob

    Converting 480 three phase to 240 single phase and possible imbalance problems

    Waross, Sir, you are a wealth of incredibly pragmatic info. My kind of engineer (I fixed cars at a Chevy dealer for 7 years before I went back for my BSME, the hand on experience has been invaluable in my career). The motor is a in a motor generator unit turning a generator that creates (yet...
  2. TempleRob

    Converting 480 three phase to 240 single phase and possible imbalance problems

    Waross, Thank you for all your help. I’m doing the best a mechE can to stay out of trouble on this one! I left the specs of the transfer switch up to the contractor to propose, since I may not select the best, or even correct, option if the SOW is overly prescriptive. But you raise solid...
  3. TempleRob

    Converting 480 three phase to 240 single phase and possible imbalance problems

    Waross, The SOW is for an electrical contractor to bid on and perform the work. Neither I, or any of my staff, will be doing the work. I copy and pasted the technical requirements section previously. The general section clarifying it's Contractor work is below. I'm hoping the technical...
  4. TempleRob

    Converting 480 three phase to 240 single phase and possible imbalance problems

    Hi All, I drafted a scope of work. If you don't mind taking a glance, how does the following technical except look? 3.1 Scope 1. The Contractor shall be responsible for performing the following tasks within the Shop: a. Prior to any work, the Contractor shall submit a detailed technical and...
  5. TempleRob

    Converting 480 three phase to 240 single phase and possible imbalance problems

    Thank you all for your insight and time. FacEngrPE It is an off the shelf item, I don't think I want to ask for customizations. But, a good thought that I have shared with you and considered. davidbeach True, better to overthink than underthing, I think haha. I just don't want to create...
  6. TempleRob

    Converting 480 three phase to 240 single phase and possible imbalance problems

    Hello All, Long time lurker, first time poster. ET has been a great resource for the past decade. Thank you everyone for your thoughtful information. I'm a mechanical vehicle engineer (Temple University, 2013) respectfully requesting a bit of electrical support. I’ve taken a new role where I’m...

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