Compact and efficient
Dana TM4’s has for over 30 years provided high reliability and high efficiency motors for a wide range of low-voltage applications, being the first in the market to introduce low-voltage SRI Motors. The SRI technology is a hybrid technology, where most of the Torque provided (typ. 70%+) comes from the SR part, while a small(er) amount of magnets (IPM) provide the rest. This way it is possible to get the best of two worlds: The efficiency level of a PMAC motor combined with the ruggedness, and, to a large extent, the lower production cost of SR motors. All while offering a superior speed / torque range than any other low-voltage motor technology.
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Features
- SRI motor
- Applicable for traction, pump and other applications for large machines
- Efficiency of an IPM motor and versatility of an SR motor
- Up to 30% more torque & up to 30% more nom. power output in the footprint of same size ASY 200 motors
- > 60% more power & torque output in the field-weakening area
- Close to ACIM or SR motor overload / thermal capacity with low loss design
- Superior speed & torque range / Max. speed to nom. speed ratio of up to 6.
- Insignificant cogging torque
- Optimized cost / benefit ratio with small amount of magnet material used
- Seamless integration with low-voltage inverter product lines.
- Mechanical Interfaces for traction and pump available
| SRI 300 | |
|---|---|
| Voltage (V) | 48-144 |
| Peak power (kW) | 30-70 |
| Continuous power (kW) | 20-60 |
| Operating speed (RPM) | 0-6000 |
| Peak torque (Nm) | 300-700 |
| Continuous torque (Nm) | 130-250 |
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