Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 128
the total force belonging to the fixed or field-magnet, as can be readily 104 Maornetic Effects understood when we consider there is no distortion when there isno current in the armature coils, and that it increases with thecurrent in the armature. It is tlierefore desirable in dynamos and motors… … vja^jCjgfl Fig. 133 not more than one-half in most cases; but the ratio varies indifferent designs, and depends upon the air gap length principally,for the current on the armature tends to send lines of force throughthe magnet pole-pieces, as shown by a thick dotted line on S S pole.The pressure…
Electrical engineering · Electric power
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