Magnetic Levitation Motor

HERMANN KEMPER Magnetic Levitation Motors with HERMANN KEMPER magnetic bearings have the following advantages:
  • High speed
  • High efficiency
  • No oil lubrication
  • No mechanical friction
These magnetic levitation motors offer high performance without a gearbox at rotational speeds up to 60,000 rpm and use permanent magnet rotors supported on magnetic bearings to achieve increased efficiency and high torque density.

To simplify integration into a system, the control electronics for the magnetic bearings are seamlessly incorporated into the drive train housing, greatly reducing the field wiring. These design innovations decrease the size and complexity of the machine, improve the dynamic performance, and increase the economic value of the system.

Applications:
  • HVAC
  • Oil & Gas
  • Petrochemical
  • Air Separation
  • Aerospace & Defense
  • Renewable & Recoverable Energy
Feature:
  • Rated at 700 kW at 60,000 rpm
  • Peak efficiency: ≥98%
  • MTBF: ≥100,000 hrs
  • Impeller can be mounted on shaft
  • Internal components cooled with air
  • Remote health monitoring via Ethernet port
  • Permanent magnet rotor with low-loss, steel retention band
  • Shaft supported on magnetic bearings with controls embedded in the machine housing
Benefits：
  • Elimination of gearbox
  • Elimination of oil lubrication system
  • Elimination of hazardous, flammable, and contaminating lubricants
  • Reduced integration and installation costs
  • Improved electrical-mechanical conversion efficiency
  • Improved reliability and reduced maintenance
  • Reduced life cycle cost
  • Quiet, vibration-free operation

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