Magnomatics Gear Test.wmv

A Magnetic Gear on test showing the inherent overload protection ("Torque Fuse") in which the magnetic rotors disengage or "pole-slip" when a predetermined torque level is exceeded. In this test, a PWM driven Induction Machine (on the left) drives the high-speed input rotor. The low-speed output is loaded using a brushed traction machine (on the right) and the load torque is increased until the gear pole-slips. Once the overload condition is cleared, the magnetic gear automatically re-engages. There is no increase in losses during the pole-slip mode (unlike a slip coupling). The increase in noise is due to torque reversals during pole slipping. This is a passive magnetic gear, requiring no windings or control electronics. The gear ratio of this unit is 5.75:1 and the peak torque capability is 90Nm.
See www.magnomatics.com

Category:

Science & Technology

Tags:

• magnetic gear
• torque fuse
• magnetic coupling
• magnetic gearbox
• magnetic gearingmagnomatics