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 269
l j2:=-a E2 o^ I II 3-. g| g pS.^ :-£ 1 = 1 I .a-£c>0 g o Sl^fi ^1 -^ -Erg Mic ao--^ % §:- §! I i-i III p s ^.^1 I .^2 §|i| « i^l -g^ % g« °.S° ^-^ -Sir ^ ^K^si d- 8|st3 •g^ c-2-..^ .0 ^^ 1^ ^g ^ «^ 2|a^.= r^ fe.5 J? — OC ° S J8£§- i!o S&c-^ O^ ^§>> .Sfe«:S°« °S ES->2,_- J-^-li… … OPERATION OF MOTORS 689 combined with the regulator, as shown in fig. 761, the devicebeing called a compound starter. The weakening of the shunt field of a motor by the insertionof resistance in the shunt field circuit causes the armature torevolve more rapidly. One advantage of this method of…
Electrical engineering
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