three phase lead and lag

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johnptague

Joined Dec 4, 2007
3
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.
 

thingmaker3

Joined May 16, 2005
5,084
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."
 
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