US Patent:
20080232005, Sep 25, 2008
Inventors:
Barry W. Kuehnle - Ammon ID, US
Jeffrey B. Roberts - Ammon ID, US
Ralph W. Folkers - Ammon ID, US
International Classification:
H02H 7/06
Abstract:
A method for protecting an electrical generator which includes providing an electrical generator which is normally synchronously operated with an electrical power grid; providing a synchronizing signal from the electrical generator; establishing a reference signal; and electrically isolating the electrical generator from the electrical power grid if the synchronizing signal is not in phase with the reference signal.