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High-Torque range NZ and NZA
NZ motors are closed inner runner motors
Domel
Description
PMS motors have up to 40% less losses compared to the equivalent IE3 asynchronous motors with VFD due to the secondary magnetic field being generated from the permanent magnets rather than copper windings. At partial load the difference in efficiency is even higher. The unique electrical design enables motors with high operating speeds, up to 6000 rpm. When increasing the speed of the motor, the difference in size and weight between asynchronous and PMS motors also increases significantly, in favour of the PMS motors.
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Features
Advantages
- Proven ultra-high efficiency, exceeding requirements equivalent to IE5
- 30 to 40% lower losses than equivalent IE3 asynchronous motors with frequency converters
- Exceptional efficiency levels over the whole operating speed range
- Speed up to 6,000 rpm
- Very low noise and vibrations
- Maintenance free operation
- Use of ferrite magnets
- Higher power densities allowing smaller frame sizes
- Longer life time due to low temperature rise
Applications
- Pumps
- Fans
- Compressors
- Blowers
Specifications
TECHNICAL DATA
- Sensorless control
- Controlled by most standard Drives
- Standard temperature range: -40 to +40 °C
- Humidity range: 0-95 %
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