Coils on sections 1' and structed that it delivers two alternating currents dif- 3' must be wound in exactly the same way; those on fering by just one-fourth of a cycle) the characteristic Fig. 2.-AN EXPERIMENTAL POLYPHASE MOTOR. sections 2' and 4' niust also- correspond to each other. feature is,… … illustrations was actually constructed at a trifling cost, Fig. 3—DIAGRAM OF CONNECTIONS FOR FOUR-COIL You have now a four-coil armature; each single coil and without the use of any delicate measuring instru- CIRCULAR FIELD. develops two poles, hence there are in all eight poles. ments. The…
Coil · Machine · Cotton · Circular · Motor · Scientific American · Feet · Sir george · Sewing machine · Trade mark · Square root · Field coil · Specific gravity · Upper circuit · York city · Motor car
Internet Archive · Public domain (published before 1931). Free to use for anything.
