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 142
es in the coil during the time thebrush holds it on short circuit, without appearing- in theouter circuit, and is therefore a dead loss. It furthermore Armature Winding 137 fends to heat the coils. Because two of the coils are nearlyalways on short circuit in this way, the loss and the heatingare… … Fig. 535 860. Are there any more reasons why large coils areobjectionable ? Ans. Another reason why large coils in an armatureare objectionable can best be understood by reference toFig. 535. A simple dynamo such as is depicted in thisfigure delivers a current graphically illustrated by Fig. 536.It…
Engineering · Mechanical engineering
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