Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 354
nected in series with the armature, thecommutation field is not affected by weakening the shunt or mainmotor field to obtain the increased armature speeds, and is, further-more, proportional to the load, thus producing sparkless commuta-tion at all loads and speeds within the limits of the design… … o H < S W 3 ^ i o ■§ w t;^ Io o Pa o (A on TYPES OF GENERATORS AND MOTORS 69 Fig. 86 is a view of one of these motors with the bearing housingsand armature removed, showing the interpoles. These motors aremanufactured in sizes from h to 75 horsepower as 4-pole machinesand in sizes from 40 to 150…
Electrical engineering
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
