In the case of determining torque required by load on the basis of a load curve in order to rotate the motor at low speed, a curve B1 formed when {HEAD ~ two windings} are connected in {TAIL ~ series} meets the load curve at a specific point m1 indicative of a low speed, as shown in FIG 7 
are connected in
In the case of determining torque required by load on the basis of a load curve in order to rotate the motor at low speed , a curve B1 formed when { HEAD ~ two windings } are connected in { TAIL ~ series } meets the load curve at a specific point m1 indicative of a low speed , as shown in FIG 7
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH