The inventions : researches and writing of Nikola Tesla, with special reference to his work in polyphase currents and high potential lighting (1894)
Martin, Thomas Commerford, 1856-1924, Tesla, Nikola, 1856-1943 · New York : The Electrical Engineer · leaf 82
63 motor has a strong torque. When tlie desired speed is reached,the shunt around the armature-coils is opened and the currentdirected through both armature and iield coils. Under theseconditions the motor has a strong tendency to synchronism. In Fig. -to, A and b designate the field coils of the…
Electric currents, Alternating · Electrical engineering
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