Practical applied electricity; a book in plain English, for the practical man. Theory, practical applications and examples (1911)
Moreton, David Penn, 1882- · Chicago, The Reilly & Britton co · leaf 221
TT ^ II- > ^r-Ta^^i I :i - ^ ---^^- ^-^^O-Sl -^--x -\ ^ ^ -L 1 r\n^-i. 1 hP^^ Fig. 170 The next connection, placesresistance in series withthem, as shown in Fig. 174.This resistance is then grad-ually cut out and ,the mo-tors are finally operatingdirectly across the line,which corresponds to… … Fig. 171 connections are made by a motorman on the car platform, whomoves the handle of a controller. This movement of the con- DIRECT-CUERENT MOTORS 211 troller handle causes a cylinder inside the containing case torotate. This cylinder has a number of contact arms mountedon its surface and these…
Electrical engineering
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