Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 159
g. 129 is commonly known as the Lahmeyertype, and is now very largely used. The winding is completely enclosed bythe iron. Practically all multipolar machines are built on this principle,each pole carrying a field coil (see Fig. 151). In Fig. 130 is shown an arrange-ment whereby a four-pole machine… … ^ ri iiriiiiMiil Et 1 n 11 n mi ll... ^}^m }] Fig. 130 A great number of machines were made in Germany with the polesinside the armature. Mechanical difficulties with the rotating external ringarmature caused this type to be abandoned. The usual type of large alter-nating current generator consists…
Electrical engineering
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