Swingle's catechism of steam, gas, and electric engineering ... a complete book of reference for the working engineer in the daily round of his duties (1922)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 154
mutator,or by abnormal heating of the armature. Armature Troubles 149 880. What are the causes of such troubles ? Arts. They may result from any one of the followingcauses: There may be a wrong connection of one, or moreof the coils. Some of the coils may be grounded. Theremay be an open circuit.… … Fig. 546 881. How can a wrong connection of the coils be testedfor? Arts. In order to see how this test can be made let usconsider Fig. 546 for a moment. This figure shows thewiring of an armature connected to the commutator seg-ments exactly as it would be if it were taken off, and thecoils…
Engineering · Mechanical engineering
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