Hình:3phase-rmf-320x240-180fc.gif
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[edit] Summary
- Summary: Rotating magnetic field as a sum of magnetic vectors from 3 phase coils (220K)
- Resolution: 320x240, loop GIF animation, 180 frames
- Made: kpovmodeler, POV-Ray, GRC toolkit, ffmpeg, Coffecup GIF animator, Trout's GIF Optimizer
- Author: User: Mtodorov_69, 2006-03-13
DEDICATED TO YEAR OF NIKOLA TESLA.
WARNING: The pictures do not behave nice when size is reduced, but this might be a bug in
the way Wikipedia resizes images (not confirmed)
Model of 3 phase synchronous electric motor with animated vector adding of stator coil
magnetic fields.
Stator phases R, S and T are have sine current shifted by 120 degrees
between each. Magnetic field is proportional to current in linear approximation.
Magnetic field vectors of the phases add up on the axis of the motor as vectors,
combining into single rotating vector according to parallelogram law,
which is clearly visible.
Rotor has a constant current and hence constant magnetic field, which
shows the inclination to follow rotating magnetic field of the stator
coils, causing rotor to rotate.
For educational purposes, but not limited to this.
Developing countries++ African++ All others++
Thanks to:
Chair for Electronic and Informational Systems
Chair for Reproduction Photography
Faculty of Graphic Arts
University of Zagreb
Chair for Applied Graphics
Academy of Fine Arts
University of Zagreb
for allowing me to use Chair resources to make this model.
[edit] Licensing
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