Installation and removal of energized permanent magnets in permanent magnet rotors

摘要

A method for assembling a permanent magnet machine comprising:
installing in a permanent magnet machine a rotor assembly having a plurality of passages containing rows of unenergized dummy magnet blocks; andafter the rotor assembly has been installed in the machine, inserting energized permanent magnets into one end of each passage and removing dummy magnet blocks from the opposite end of the passage to provide a row of energized permanent magnets in the passage.