Electricity for public schools and colleges (1891)
Larden, W. (Walter), b. 1855 or 6 · London : Longmans · leaf 424
iMi III aiB § i8. Series-Excited Machines.—In some machines, as wasstated at the end of § 6, the current from the armature is led firstround the field-magnets andthen found the external circuit.A machine thus constructedis called a series-dynamo. Let us suppose that insuch a machine the… … MAINCIRC ^jj___J) initial current in the armature.This current, passing throughthe coils of the field-magnets,will make the field stronger;this will induce a strongercurrent in the armature, andso on until some final, limitingvalue is attained. This limit-ing value of the current de-pends upon (i.)…
Electricity
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