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 260
CONTROLLER dRUSHEd LINE -SWITCH REVERSING dWITCtfON MACHINE 1 run … ■rnNTArr wiring for 3 Fhase current is theRinrU some as abo^e except that line At DLULn f^ f/jg, ^^itch is omitted Fig 132 Wiring Diagram for Two-Piiase or Three-Phase Elevator i:quipincnt with Mechanical Control 227 178 ELEVATORS releasing the brake; and when the operating sheave 3 is returnedto…
Electrical engineering
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