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  1. pintodacosta

    Neutral distributed / Neutral no

    Good afternoon, Can anyone explain me the defirence between a 3phase system with neutral not distributed and with neutral distributed. Always made big confucion on that. tx
  2. pintodacosta

    URGENT - Eletrical board consumption

    Hi all, I have an issue that i have doubts, and that i describe above: I have a 3phase (400V)feeder capacity 800A in the substation, from this feeder exit the 3 phases (R,S,T), each phase has 2 parallel conductors of 240mm2. Question1: I measure the currents in each cable of each phase, and...
  3. pintodacosta

    Feeder current

    Hi, I have a 3 electrical boards (3phase 380/230) to feed from a substation. Electrical Board 1: S=46KVA Electrical Board 2: S=46KVA Electrical Board 3: S=120KVA The current that each eletrical board will "consume" is calculated by: I = S/(sqrt 3 *400) Is this correct?

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