Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1200
itha 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 tare;, other conditions being eqnal^ 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…
