The mechanical engineer's pocket-book. A reference-book of rules, tables, data, and formulæ, for the use of engineers, mechanics, and students (1910)
Kent, William, 1851-1918 · New York, J. Wiley & sons · leaf 1445
t generator, if provided with col-lector rings instead of a commutator,could be used as a single-phase alternator.The frequency would in most cases, how-ever, be too low for any practical use.The fields of alternators are alwaysseparately excited; the machines aresometimes compounded by shunting… … Fig. 216. ALTERNATING-CURRENT CIRCUITS. Calculation of Alternating-current Circuits. — The followingformulae and tables are issued by the General Electric Co. They afford aconvenient method of calculating the sizes of conductors for, and determin-ing the losses in, alternating-current circuits.…
Mechanical engineering
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