The standard electrical dictionary; a popular dictionary of words, terms, and phrases, used in the practice of electrical engineering (1897)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · New York, H. W. Henley & co. · leaf 199
are wound in opposite senses, so that thecurrent shall be in one direction, though in opposite senses, in allof them at any one time. As the armature rotates the coils are allapproaching their poles* at one time and a current in one sense isinduced in every second coil, and one in the other sense… … FiR. 134. Alternating Current Dynamo with Separate Exciter Mountedon Main Shaft. the direction changes, and the current goes in the other directionuntil the next poles are reached and passed. Thus there are asmany changes of direction of current per rotation as there are coilsin the armature or…
Electricity
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
