+ Post New Thread
Results 1 to 3 of 3
  1. #1
    Newbie level 1
    Points: 736, Level: 5

    Join Date
    Oct 2008
    Posts
    1
    Helped
    0 / 0
    Points
    736
    Level
    5

    phase sequence

    need a circuit for a phase sequence/phase failure detector in a three phase ac power supply

  2. #2
    Banned
    Points: 8,202, Level: 21

    Join Date
    Jun 2008
    Posts
    1,180
    Helped
    36 / 36
    Points
    8,202
    Level
    21

    phase sequence

    just use an ac input coupled opto coupler.....perhaps use a pic to analyse its output


    2 members found this post helpful.

  3. #3
    Newbie level 1
    Points: 389, Level: 4

    Join Date
    Oct 2010
    Location
    india
    Posts
    1
    Helped
    1 / 1
    Points
    389
    Level
    4

    Re: phase sequence

    Quote Originally Posted by Hafsat View Post
    need a circuit for a phase sequence/phase failure detector in a three phase ac power supply
    refer this link u can find more details about this topics..
    Microprocessor-based system for identification of phase sequence ...

    sequence and detection of phase unbalance for a three phase ac power supply. Experimental. Hardware Design ... of microprocessor 8085 / microcontroller 8751. Output .... using non-contact technique, Power Engineering Society General ...
    nopr.niscair.res.in/bitstream/.../1/JSIR%2068(7)%20597-604.pdf -

    Faizalps India


    1 members found this post helpful.