INDUCTION-MOTOR REGULATION 127 Y- O.C1 - 0.1 j Z = 0.1 •*• 0.3 3 CIRCUIT IMPEDANCE, Z0=.16+.Si CONSTANT GENERATOR POTENTIAL 144.5 VOLTS w 8000 7000 GOOO 5000 4000 3000 2000 1000 0 / , / _; L« AMP.VOLTS => p PER CENT E.M. F. AT MOTC R TP JMINA s / '-*—••, *^- -^ A \ ,'/ 100 ^SP ED /2 - ----- 90 / J) 80 I/ \ 70 / ,50 ^o ^/ / 50 /"1 / 40 / c ^ iX 30 / ^*f~* ^-^ -^ 20 — — — *~~~" 10 / 1 00 2C 00 3( ROW 00 •R OUTPU1 4000 50 K) GO X) 0 FIG. 45.—Induction-motor load curves corresponding to 110 volts at motor terminals at 500 watts load. PIG. 46.—Induction-motor speed torque characteristics with short-circuited secondary*