Permanent magnet motors
The permanent magnet motor from Liebherr is the right choice in all applications where space and weight play a decisive role. Developed in-house with the latest instruments for electrical, thermal and mechanical design, our permanent magnet machines offer an excellent weight/volume-performance ratio.
Compact power packs
Owing to the low losses, machines can be constructed very compact in surface- and jacket-cooled versions. The efficient cooling permits a high degree of protection against dirt penetration and water ingress.
The efficiency and the high torque density support the economical use of the driven machine, thus contributing to low life cycle costs and improved operational productivity of the machines.
Overview of advantages
- High efficiency and torque density
- Compact design
- Impressive smooth operation
- Low life cycle costs
- Efficient surface or jacket cooling
- Safe protection against dirt penetration and water ingress
Innovative technology as basis for success
Maximum performance thanks to buried magnets
With the storage of the magnets in the rotor stack, the machine can reach its maximum power in a broad speed range and even in the extended field-weakening range.
The VPI impregnation procedure and the use of low loss lamination material form the basis for the high power density of the permanent magnet machines.