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  • Users: hewl35
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  1. hewl35

    Interior 13.8 KV Busway Life Expectance

    I work for a large midwest medical university we have almost all of our high voltage inside in a some what climate controlled enviroment (basement) with no sun exposure supported by cable trays. The cable is all copper three conductor, 15KV (running at 13.8 KV)IAC amoured cable, 133% insulation...
  2. hewl35

    Copper versus Aluminum Windings in Transformers

    I am preparing a presentation to buy a 750 kva 3 phase transformer. I need some facts to present that will inform the "powers that be" that one type of winding is superior to another.

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