The book Armature Windings of Electric Machines was written by author H F Horace Field Parshall Here you can read free online of Armature Windings of Electric Machines book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Armature Windings of Electric Machines a good or bad book?
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126 and 127, where smoother action is obtained partly by virtue of the choice of a number of conductors, prime, or nearly so, to the number of poles. 250 ARMATURE WINDINGS OF ELECTRIC MACHINES. [CHAP. Xv. Figure 119 is a non-overlapping, three-phase, coil wind- ing, with only one and one-half coils per pole piece per phase. It is the winding which was given with its single- phase connection, in Fig. 96. This should make a very excellent three-phase winding, as there is no crossing of the coils.... It is a regular thirty-pole, single-phase winding, connected up as a three-phase armature for twenty poles. This diagram should be compared with Fig. 77, Fig. 96, and Fig. 102. It should be particularly suitable for use in three- phase motor work, as it should have very weakly defined dead points. In a projection armature, when a slot is opposite a certain pole piece, spaces between two slots will be opposite the adjacent pole pieces, thus giving a more equitable distribution of the magnetic flux.
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