Dynamo electric machinery; its design, construction, and operation; direct-current machines (1915)
Sheldon, Samuel, 1862-1920, Hausmann, Erich, 1886- joint author · New York, D. Van Nostrand Company; · leaf 213
up-shaped end, is cast in one piece. The farthermostflange of each field core is bolted to a number of wrought-iron connecting-rods which hold the magnets in place, pro-tect the field windings, and take the place of the yoke of GENERATORS. 20I Other machines in completing the magnetic circuit.… … Fig. 122. armatures; these are more readily repaired or rewound.The winding of either form of armature is peculiar in thatonly three coils are employed, set with an angular displace-ment from one another of 120 degrees. The inner endsof the three coils are joined to each other, and are not…
Electric machinery
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