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 509
w of the switchclosed, and Fig. 382 back view of the switch open. 459 442 ALTERNATING-CURRENT MACHINERY Great improvement has been made in recent years in the designof large circnit breakers for protecting alternating-current circuitsup to IIO.OOO volts and over. Fig. 383 shows a Westinghouse… … Fig. 384. Type GA Westinghouse Oil Circuit Brealter Removed from Tank Showing Openand Closed Positions by means of suitable solenoids or coils energized by direct currentunder the control of the operator. They may also be made automaticin action by the addition of suitable relay attachments. Pig.…
Electrical engineering
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