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three phase lead and lag

Discussion in 'Homework Help' started by johnptague, Dec 4, 2007.

  1. johnptague

    Thread Starter New Member

    Dec 4, 2007
    3
    0
    first time user of this forum. i am stuck on a question which is part of an assignment on three phase (polyphase) power and am unable to refer to my notes as some kind twat has nicked them just when i need them.
    whats bugging me is that i cant remember how to define phase lead and phase lag. any comments welcome.
     
  2. thingmaker3

    Retired Moderator

    May 16, 2005
    5,073
    8
    Time is the answer.

    If I get to Dublin before you, then I lead you. If I get to Dublin after you, then I lag you.

    Substitute "voltage level of interest" for Dublin, and the two phases for "you" and "I."
     
  3. johnptague

    Thread Starter New Member

    Dec 4, 2007
    3
    0
    cheers lad. the s.m. stirling is a nice touch. by the way, how did dublin come up?
     
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