Positive ,negative And Zero Sequence |
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Positive ,negative And Zero Sequence |
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 Mar 10 2008, 08:09 AM
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#1
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Junior Member  Group: Full Member Posts: 8 Joined: 7-September 07 Member No.: 3,751  |
Hi everyone
Any one can tell me,what is the physically concept of positive ,negative and zero sequence. I know these all are the componets of the unbalanced system but i want to know about the physically significance and concept. Regards, Shahid Hafeez |
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Mar 11 2008, 08:16 AM
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#2
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Posting Freak Group: Moderator Posts: 2,060 Joined: 24-April 02 From: Christchurch, New Zealand Member No.: 1 |
Hello Shahid Hafeez
My understanding is that a standard pure three phase supply is positive sequence. If you have an imbalance, that is indicative of negative sequence being added to your original positive sequence. It is easy to see if you consider the vectors of a forward rotating waveform and also a negative rotating waveform Best regards, -------------------- Mark Empson administrator
Skype Contact = markempson | phone +64 274 363 067 LMPForum | LMP Tech Warehouse | L M Photonics Ltd | Empson family | Advanced Motor Control Ltd | LMP Software | Mark Empson Website |
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