Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 1200
witha resultant heating of the armature. This objectionable fea-ture is to a great extent overcome in the drum winding.Less wire therefore has to be used on a drum-wound arma- Armature Winding 1165 ture, other conditions being equal, than on a ring-woundarmature of the same capacity, and the… … Fig. 516 ture. A simple case of drum winding is shown in Fig. 516.There are 12 conductors on the armature face, and 6 com-mutator segments. Suppose we take a wire and connect itto segment a of the commutator. Now start to wind aroundthe armature, passing along 1 to the rear and returning byway of 6…
