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 50
rench electrician, whore-introduced them in1870. Gramme woundthe coils around theentire surface of theannular core, which hemade of varnished ironwire in order to reducethe wasteful eflects of eddy-currents; while Pacinotti had thecoils wound between projecting teeth upon an iron ring. In… … Fig. 32. Single Gramme Ring Winding 40 PRINCIPLES 31 is not usually the case in practice.* Hence, the ring type of winding-necessitates extra copper and offers a certain amount of wastefulresistance, which, however, can be made small compared with theresistance of the external circuit. Fig. 32…
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
