A method and an apparatus are described for monitoring a rotating synchronous electric machine (9), which comprises a rotor winding and a stator having a stator winding. The method comprises the steps of determining the stator winding current, determining the stator winding voltage, determining the rotor...http://www.google.fr/patents/US7242166?utm_source=gb-gplus-shareBrevet US7242166 - Electric machine
