Wolfram Demonstrations Projecthttp://demonstrations.wolfram.com/An Open Resource of Interactive Mathematica VisualizationsCopyright 2009 Wolfram Demonstrations Project & ContributorsVector Composition of Rotating Magnetic Fields for 3-Phase Currentshttp://demonstrations.wolfram.com/VectorCompositionOfRotatingMagneticFieldsFor3PhaseCurrents/]]>http://demonstrations.wolfram.com/VectorCompositionOfRotatingMagneticFieldsFor3PhaseCurrents/