Electricians' operating and testing manual; (1910)
Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 71
rrent cannot be used as such toexcite the field and consequently many dynamos are Types of Dynamos 69 separately excited by an outside dynamo. Some al-ternators, however, are provided with commutatorswhich rectify the current and make it available. Figure 52 shows the general layout of an… … Figure 52 this current can be regulated and through it the E.M.F.of the dynamo. Every time one of the armature poles passes fromunder one of the stationary poles to the next one thereis a reversal in direction of the current. If supplying a variable load the E.M.F. of the dy-namo will be constantly…
Electrical engineering · Electric testing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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