The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · leaf 258
Forwhen the dynamo is started the armature itself becomes a magnet,and plays its part in forming the field. Owing to the lead of thebrushes the polarity of the armature is not symmetrical with thatof the field magnets. Hence the compound field shows distortion. STANDARD BIvBCTRICAIv DICTIONARY. 253… … Fig, i6g. Distortion of Field in a Ring Armature of an Active Dynamo. south polarity respectively. The distorted lines must be regarded asresultants of the two induced polarities of the armature, one polarity
Electricity
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