Electricians' operating and testing manual; (1910)
Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 59
its is generally very high, 56 Types of Dynamos 57 shunt wound dynamos would require a great lengthof very fine wire and consequently would be veryexpensive and also very likely to be damaged. Thisis one reason why series dynamos are in special favorin connection with series arc circuits. The… … Figure 39 E.M.F. is always at its proper value in regard to theresistance of the circuit to cause the necessary currentto flow. This regulation is generally brought aboutin one of the following ways: By shifting of thebrushes, by commutation of the fields, or by a com-bination of these two methods.…
Electrical engineering · Electric testing
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