International Library of Technology · Scranton, International Textbook Co. · leaf 526
rings and at the CURRENT APPARATUS. 2891 joints, but the total C R loss will probably not exceed 200watts. The outside cylindrical surface of the armature is40x6^=252.5 square inches, which gives a surface ofconsiderably over 1 square inch -per watt C^ R loss. Thecore losses in the secondary will… … Fig. 1684. primary turn. This involves a consideration of the pri-mary winding. There are in all 54 coils and 54 slots, thecoils being arranged in two layers. There are six poles, sothat if one side of a coil lies in the top of slot No. i, theother side will lie in the bottom of slot No. 10, as…
Electrical engineering
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