Practical electricity .. with questions and answers (1911)
Cleveland armature works, [from old catalog] comp, Lincoln, John C. [from old catalog] · [Cleveland, Ohio, Cleveland armature works] · leaf 191
of a compound wounddynamo. Almost all stationary motors are plain shunt woundmachines. Fig. 67 is a diagram of the way in which these 180 motors should be connected up. The essential point inthis scheme is that the shuht field circuit be always closedthrough the rheostat and armature so that a… … Figure 66Biagram of connections of compound wound dynamo It this rheostat were arranged so that when it wdsthrown off, the armaiture circuit should be lopened, the open-ing of the main switch would break the current through theshunt fields and produce a field discharge. An arrangement ofa starting…
Electricity
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