Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 243
hence an e(|ual number of commutator-bars is<iiiplf)yed. Each bar is therefore e(piiva]eiit to a coil of tin-usual type of (Jramme winding,bll the absence of contiguous layers cutirely avoids self-induction, and hence sparking, themachine operating without the slightest indication of such a… … Fio. or.—Siemens ring-dj-namo. DYNAMO-ELECTRIC MACHINES. 225 armature is -006 ohm, and that of the field 8-45. Each dynamo is designed for 150 voltspressure and a capacity of 606 amperes. The design has been so well worked out that avariation of three quarters of the load can be made without…
Mechanical engineering
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