Permanent magnet generator with fault detection

Details Permanent magnet generator with fault detection Permanent magnet generator with fault detection

1984-10-18

1987-02-03

Hickey, R. J.

Electricity: single generator systems

Generator control

Magnetic structure

310152, 310191, 322 52, 361 20, H02P 940

Patent

active

046410805

ABSTRACT:
A generating system including a permanent magnet generator having a stator, a rotor journalled for rotation in proximity to the stator and normally separated therefrom by a small air gap. Permanent magnets and windings are provided on the stator and the rotor respectively, or the reverse as desired and a detector is provided for sensing the development of an electrical fault in the winding and for moving the stator away from the rotor to increase the air gap thereby reducing the magneto motive force available to induce current in the winding to prevent burn out of the winding.

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