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 166
r circuits. Synchronous motors require: 1 Ammeter 1 Field ammeter 1 Rheostat mechanism 1 Automatic oil switch 1 Field switch Necessary instrument transformers 146 SWITCHBOARDS 49 Compensator or Auto-Transformer. The motor may be startedby means of a compensator or auto-transformer, and if this is… … O/L SWITCH ■ CURREfiTTRAIiSrORMER
Electrical engineering
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