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 277
shunt fields used in connection with high-speed elevatorsfor the purpose of giving still greater torque at starting, these shuntfields being auxiliary to the regular shunt fields of the motor. Inthe lower panel are located the switches and cut-outs of the two otherspeeds used in accelerating after… … 848 ELEVATORS 193 In one direction; and to the left, the reverse. It is so constructedthat should the operator remove his hand from the lever, it willautomatically assume the stop position shown in the cut. Justbelow this lever near the lower part of the case is a button, Fig. 145,which operates…
Electrical engineering
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