Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 1243
s 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 1208 Steam Engineering tends 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…
