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  1. farhadkhaefi

    size of neutral cable

    I think fult current and disconnection device time is very important for selection of neutral cable, i think IEC60364-5-54 can help you be happy
  2. farhadkhaefi

    How can i build single pahse 227 from 380 volte 3 pahse delta?

    hi all In our factory all load supply from star/delta transformer 3 phase 380 volte,(without neutral system) we want to install new 227 volte single phase for lighting.. do we can uase 2 phase-phase ? if we want to build 48 volt dc , it is possible to use this voltage? tank you every one f-kh
  3. farhadkhaefi

    Which Voltage Should I Choose?

    i think you dont need transformer , you can control voltage of generator with dc field. second way i think you can use voltage divider with series resistance. fafa
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