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  1. esconfra

    3 phase instantaneous power

    many thanks for your answers i will propose to modify the software substituting the line to line voltages (Vac...) with Va=(Vac-Vba)/3 this should work in a 3 wire system
  2. esconfra

    3 phase instantaneous power

    in a power measurement application I found this formula for the instantaneous power Pin = Ia Vac + Ib Vba + Ic Vcb Ia, Ib, Ic = line currents Vac, ... = line to line voltages can someone verify the correctness of this? many thanks
  3. esconfra

    IAI XSEL controller, serial connection issue

    In a TIG welding application I often lose contact between the controller and the PC (RS232 connection). The cable has a shield that is connected to pin 1 (frame ground) of T.P. connector (on XSEL) but the resistance from pin 1 to ground is very high. Is this normal or there is some problem...
  4. esconfra

    electro craft PM

    I have to program the personality module of an Electro-Craft BRU 500 drive and I need the program EC COMM for PC (serial communication utility) Is there anybody who can help me? Thank you
  5. esconfra

    electro-craft personality module

    I have to program the personality module of an Electro-Craft BRU 500 drive and I need the program EC COMM for PC (serial communication utility) Is there anybody who can help me? Thank you

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