Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 309
of sheet iron, and secured by the frame C which acts asthe magnetic yoke. At the bottom of the annular space thus formed, themagnetising coil F is wound. On the left is shown the flywheel which carriesa number of iron blocks, G. These blocks offer a path of low reluctance tothe lines of force,… … Fig. 292 fore equivalent to rotating electromagnets. The armature coils mustnaturally span a distance equal to half the pitch of the blocks. Were magnetic leakage entirely absent, the armature wires in the neutralzone, i.e. between the blocks, would be entirely inactive. As the result ofleakage,…
Electrical engineering
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