Harmonic theory of noise in induction motors

This paper presents a theory of noise generation particularly adapted to use with small motors. Since single-phase motors predominate in the small-motor field, a single-phase point of view has been employed.

[1]  W. R. Appleman.  The cause and elimination of noise in small motors , 1937, Electrical Engineering.

[2]  L. E. Hildebrand.  Quiet induction motors , 1930, Journal of the A.I.E.E..