Image:3-phase flow.gif
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3-phase_flow.gif (412 × 263 pixel, file size: 294 KB, MIME type: image/gif)
Animation of symmetric three-phase electric power flow.
Current flows from a three-phase generator on the left, represented as three wye-connected single-phase sources, via a transmission line into a symmetric wye-connected load on the right. The phases have been arbitrarily coloured red, green, and blue. The angular separation between the phases is 120°, or 2π/3 radians. The supply frequency you observe in this animation will depend on your computer performance, but should be around 0.3 Hz.
At any point along the transmission line, the net flow is zero at all times during the cycle. The neutral circuit, which would connect between the centre wye points of generator and load, has been omitted. In a balanced system, it would carry no current.
The phase sequence is red→green→blue, indicated by the order in which current flows into the three loads in turn.
I, the creator of this work, hereby grant the permission to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
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File history
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- (del) (cur) 13:10, 2 January 2006 . . BillC (Talk | contribs) . . 412×263 (300,704 bytes) (Lightened colours slightly)
- (del) (rev) 23:59, 1 January 2006 . . BillC (Talk | contribs) . . 412×263 (301,694 bytes) (Animation of symmetric three-phase power flow. The phase sequence is shown by the arbitrary colouring of red->green->blue. The generator is represented as three wye-connected single-phase sources separated by 120° and supplies a symmetric wye-co)
- (del) (rev) 18:15, 1 January 2006 . . BillC (Talk | contribs) . . 412×263 (301,729 bytes) (Animation of symmetric three-phase power flow. The phase sequence is shown by the arbitary colouring of red->green->blue. The generator is represented as three single-phase sources separated by 120° and supplies a symmetric load on the left. At)
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