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- · New York, T. Audel · leaf 160
superior insulationmethods may be employed, enabling the generation of currentat very much higher voltage than in the revolving armature type. 2. Because the difficulty of taking current at very high pres-sures from collector rings is avoided. The field current only passes through the collector… … DOVE TAIL JOINTFIELD COILS ARMATURE FRAMETO SOURCE OF FIELD CURRENT-FIELD MAGNETS ROTOR STATOR Fig. 1,394.—Diagram showing essentia! parts of a revolving field alternator and method ofjoining the parts in assembling. 3. Only two collector rings are required. 4. The armature terminals being…
Electrical engineering
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