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 259
ng, commonly called delta grouping owingto its resemblance to the Greek letter A- The voltage at the terminals is equal to thevoltage in one phase, and the current in each line is equal to the vector sum of the currentsin two phases, that is, it is equal to V3 multiplied by the current in one… … Fig. 1,550.—Three phase winding with short coils. The use of short coils as here shown, inwhich the coil breadth = J£ pole pitch, avoids the necessity of overlapping. 1 248 IIA UK INS E LECTRICITY In polyphase working, it is evident that by the use of four equalindependent windings on the armature,…
Electrical engineering
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