CHAPTER VII SPECIAL DIAGRAMS FOR TWO AND FOUR-SPEED MOTORS This chapter contains a number of special diagrams used ... Figures 2 and 3 are diagrams arranged for 120-deg. lead spacing for rotor windings connected series -star, 4, and 6 poles. ... at all speeds, using two windings, one for 4 and 8 poles, 1800 and 900 r.p.m. and the second winding for 6 and 12 poles, 1200 and 600 r.p.m.anbsp;...
|Title||:||Repair shop diagrams and connecting tables for induction motors|
|Author||:||Daniel Harvey Braymer, Arthur Cecil Roe|