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 267
east expensive speed regulating rheostat. In cases where the motor will be operated nearly always at full speed,the difference in first cost of the installation may justify the use of thearmature resistance method of control. As a rule, speed regulation byshunt field resistance is preferable.… … v ciJ o o- a =< - ° w 3 S ^ C O iiX o c Hi! °.^■E -- = 3 = -7;^-5 3 O -DO 3 -■£ 5 t^ 2 = p 3 — j: • o c i^ ^ 3 3 > V- ; -^ -J > >, o -i2 r^ 5J:n-^ u S<--5 3 30- V^S o ;i 5. - o -^c~oS=tP^ £v •- ^^5^-5 >.t: w o £ c 0.5 2 > t a o^ F u -^ ^ cj-r^S t:ii 3 i 03 * £.2 „ o10 , .2 ..J…
Electrical engineering
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