Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 72
ing field. Ans. The more rapid the rotation of the field, the greater isthe starting difficulty. 1,330 HAWKI.XS ELECTRICITY Ques. Besides employing a multiplicity of poles, whatother means is used to reduce the speed? A:;s. Reducing the frequency. Ques. What difficulty is encountered with low… … PlG. 1.75S.—: -jction of Ct reduction motor with magnetic bridge Steel bridges are inserted in the grooves where the coils are placed, to protect them fromdirt and mechanical injury and at the same time provide a path for the magnetic fluxwhich has am- :ng a better distribution of the flux in the…
Electrical engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-1041-540.webp)
