An electrical system and apparatus for a turbine/alternator comprising a gas driven turbine and a permanent magnet alternator rotating on a common shaft includes an inverter circuit connectable either to an output circuit or the stator winding of the alternator. A control circuit during a start-up mode...http://www.google.ca/patents/US6891282?utm_source=gb-gplus-sharePatent US6891282 - Method and apparatus for monitoring turbine parameters of turbine/alternator on common shaft
