Features & Columns:
– 2011 Resource Guide
– Rare Earth Future
– Passive Magnetic Bearing Prototype Testing Results
– Guest Column: Volatility in the Rare-Earth Material Markets – Some Benefits After All.
– Spontaneous Thoughts: Is Your Design Optimized?
A Column by Dr. Stan Trout | Spontaneous Materials I was very fortunate to have had many excellent teachers in college. Not only did they teach me the basics of science and engineering, but I […]
ZF has developed an electric motor which does not require magnets. In contrast to the magnet-free concepts of so-called separately excited synchronous motors (SESM) already available today, ZF’s I2SM (In-Rotor Inductive-Excited Synchronous Motor) transmits the energy for the magnetic field via an inductive exciter inside the rotor shaft. This makes the motor uniquely compact with maximum power and torque density. […]
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