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