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 127
sparking, but since there is considerable varia-tion in the inductance of an alternating circuit thecurrent is not always at 0 when it should be and,therefore, at times there is very severe sparking,Compound wound alternators are, therefore, not muchused at present. 124 Operation of Alternators 125… … mmm mmm Figure S3 are separately excited by means of a direct currentdynamo and the first step, therefore, is to bring thisexciter in running order. This is done in the samemanner as with shunt dynamos previously explained.Figure 83 shows two alternators connected to a 126 Operating and Testing…
Electrical engineering · Electric testing
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