Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 280
back and forth, the heavy side willtend to turn downward. The armature and pulley should always bebalanced separately. An excess of weight on one side of the pulleyand an equal excess of weight on the opposite side of the armaturewill not produce a balance while running, though it does whenstanding… … Fig. 94. Method of Putting Armaturein Proper Balance 249 128 MANAGEMENT OF DYNAMO-ELECTRIC MACHINERY Cause 2. Armature strikes or rubs against pole pieces. Symptom. Easily detected by placing the ear near the polepieces; or by examining armature to see if its surface is abradedat any point; or by…
Electrical engineering
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