Electric transmission of energy and its transformation, subdivision, and distribution. A practical handbook (1894)
Kapp, Gisbert, 1852-1922 · New York, Van Nostrand · leaf 452
o permit of the armature coils beinginserted and afterwards squeezed tight against the narrowpart of the tooth by a special clamping too]. The num- OERLIKON. 425 ber of poles is to the number of coils as 2 : 3, and thecoils are coupled up to form the three circuits of thethree-phase system. As the… … the metal is obtained by tipping the pole-pieces with thinsheet-iron stampings, as shown in Fig. 160. Figs. 162 and 163 show details of the construction otthe Oerlikon transformer. The coils are wound onseparate paper sleeves and are placed over the centralcore, which is built up of plates of…
Electric power production
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