Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 123
Fig. 93 Fig. 94 wires is such that the right-hand brush is positive, the current leaving themachine by this brush. It remains positive, however, when the coil-side /has passed from the north to the south pole, and the current in the coil hasbeen reversed (Fig. 94). To obtain this result the brushes…
Electrical engineering
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