|
Starting Characteristics
of Squirrel Cage Induction Motors
|
Starting Method
|
Voltage
at Motor |
Line
Current |
Motor
Torque |
| Full-Voltage Value |
100 |
100 |
100 |
| Autotransformer
|
80
65
50 |
64*
42*
25* |
64
42
25 |
| Primary Resistor Typical
Rating |
80 |
80 |
64 |
| Primary Reactor
|
80
65
50 |
80
65
50 |
64
42
25 |
| Series-Parallel |
100 |
25 |
25 |
| WYE-DELTA |
100 |
33 |
33 |
Part-Winding (½ - ½)
|
2 to 12 Poles
14 and more Poles |
|
100
100 |
70
50 |
50
50 |
Soft start is also available
using solid-state controls.
Consult manufacturer for
voltage, current and torque rating.
*Autotransformer
magnetizing current not included. Magnetizing current is usually less than
25 percent of motor full-load current.
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