A simple revolving-field demonstrator for the personal computer

A means is introduced for graphically demonstrating the concept of the revolving stator magnetic field of a polyphase machine. This is implemented on the personal computer by means of a simple Fortran algorithm. A graphics package allows dynamic display of the output. The locus of the revolving phasor may be made to travel at any convenient speed, and the demonstrator is capable of displaying the results of balanced or unbalanced stator currents of any phase sequence. A listing of the interactive Fortran algorithm developed by the author is included. Such a capability has been found useful for inclusion in personal computer-oriented machinery classroom or laboratory courses.<
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