H - Electricity – 02 – H
Patent
H - Electricity
02
H
341/108, 341/109
H02H 7/06 (2006.01) B60L 15/20 (2006.01)
Patent
CA 1283470
LOSS OF ELECTRICAL FEEDBACK DETECTOR ABSTRACT OF THE DISCLOSURE To detect any abnormal loss of a feedback signal in an electric power system wherein a plurality of feedback signals are respectively derived from various system quantities, such as voltage and current. and are used as inputs to a controller that regulates the output of a controllable source of power, the controller is arranged to estimate the desired value of the system quantity from which a first feedback signal is derived, to compare the estimated desired value with the actual value of the same quantity (as indicated by the first feedback signal), and to signal a malfunction if this comparison reveals that the first feedback signal is faulty.
523574
Company General Electric
Craig Wilson And Company
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