Characteristics and Uses of Single Phase Induction Motor
| Sr. No. | Type of Motor | Characteristics | Applications |
|---|---|---|---|
| 1 | Resistance Start Induction Run Motor | 1) Low starting torque 2) Low power factor 3) Constant speed 4) Low starting current |
Portable bench grinder, washing machine, ventilating machine |
| 2 | Capacitor Start Induction Run Motor | 1) High starting torque 2) Better power factor 3) Low starting current 4) Good load handling capacity |
Washing machine, blowers, pumps, compressors, refrigerators, printing press, lathe machine |
| 3 | Capacitor Start Capacitor Run Motor | 1) Higher starting torque than full load torque 2) Low starting current 3) Good starting & running power factor 4) Efficient at running 5) Good load handling capacity |
Refrigerator, air conditioner, compressor, water cooler |
| 4 | Permanent Capacitor Motor | 1) Low starting torque 2) Better power factor |
Ceiling fan |
| 5 | Shaded Pole Motor | 1) Low starting torque 2) Low overload capacity 3) Low efficiency |
Table fan, tape recorder, shaving machine, hair dryer, electric clock, toys |
| 6 | Universal Motor | 1) Speed exceeds synchronous speed but is not harmful 2) High starting torque 3) Load speed drops |
Portable drill machine, food mixer, vacuum cleaner, sewing machine, hair dryer, cinema projector |
| 7 | Plain Repulsion Motor | 1) High starting torque 2) Low starting current 3) Less drop in speed under load 4) Speed can be changed using brushes and direction reversed by armature shifting |
Traction work (railway), hoist, lift, crane etc. |
| 8 | Repulsion Start Induction Run Motor | 1) Excellent starting torque 2) High efficiency 3) Low starting current 4) Constant speed |
Lathe machine, saw machine, water pump, compressor etc. |
| 9 | Repulsion Induction Motor | 1) Good starting and running torque 2) Good power factor 3) High efficiency 4) Low starting current |
Refrigerator, air conditioner, compressor etc. |
| 10 | Stepper Motor | 1) Brushless operation, reliable 2) Synchronous speed operation 3) Can operate at various step speeds |
Printer, biomedical equipment, fax machine etc. |
| 11 | Hysteresis Motor | 1) No mechanical vibration 2) Noise-free 3) Can achieve multiple speeds with gear box |
Sound recording equipment, timing devices, high precision tools, electric clocks |
| 12 | Reluctance Motor | 1) Low consumption and high power output | Analog electric meters, washing machines, universal recorders, robotic control, hybrid stepper motors |