Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 213
e of over compounding? Ans. Generally for a rise of voltage of from five to tenper cent. CLASSES OF DYNAMO 193 In construction, the field coils are wound with a greater number ofturns than actually required, the machine being accurately adjustedby a running load test after completion. Ques. How is… … COMPOUND Pig. 195.—Compound wound dynamo, used when better automatic regulation of voltage onconstant pressure circuits is desired than is possible with the shunt machine. Thecompound dynamo is a combination of the series and shunt types, that is, the field magnetis excited by both series and shunt…
Electrical engineering
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