Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 201
Fig. 173. Laminated Pole-Piece and Strip-Wound FieldCoil for Rotor of Fig. 172 of 250 has frequently been employed and field coils can be woundfor this voltage when required. The lower voltage is generally 176 ALTERNATING-CURRENT MACHINERY 165 to be preferred, principally because it permits the use…
Electrical engineering
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