Fractional pitch windings for induction motors

Author(s): C. A. Adams ; W. K. Cabot ; G. A. Irving
Publisher: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 August 1907
Volume: 26
Page(s): 1,245 - 1,263
ISSN (Paper): 0097-2444
DOI: 10.1109/PAIEE.1907.6741802



For several years past some of our large manufacturers have used fractional pitch windings, for induction motors to a considerable extent, and for alternators to a lesser extent.