Title :
Large low-cost single-phase SEMIHEXTM motors
Author_Institution :
Smith & Sun, Berkeley, CA, USA
fDate :
12/1/1999 12:00:00 AM
Abstract :
These low-cost single-phase motors are 3-phase high efficiency induction motors with the SEMIHEXTM connection of the windings to 2 run capacitors. The single-phase winding currents at full load are the same as if the motors were connected to a 3-phase source. The single-phase full-load efficiencies are the same as the 3-phase efficiencies. The line starting current is unity power factor and is approximately two times the full-load current for motors between 10 HP and 100 HP
Keywords :
capacitors; induction motors; machine windings; power factor; rotors; starting; 10 to 100 hp; 3-phase high efficiency induction motors; 3-phase source; SEMIHEX windings connection; full load; full-load current; line starting current; low-cost; rotors; run capacitors; single-phase SEMIHEX motors; single-phase full-load efficiencies; single-phase winding currents; unity power factor; Capacitors; Circuits; Costs; Induction motors; Life members; Magnetic flux; Reactive power; Rotors; Torque; Voltage;
Journal_Title :
Energy Conversion, IEEE Transactions on
