A logic method for guide vane feedback fault judgment
A logic method and fault judgment technology, applied in the direction of machines/engines, mechanical equipment, engine components, etc., can solve the problems of unable to switch the guide vane feedback signal to the backup sensor, guide vane out of control, unit power fluctuations, etc.
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[0042]When the induction slider of the first feedback guide vane is broken or the nut falls off, so that the guide vane displacement sensor of the first feedback guide vane cannot correctly feed back the guide vane information to the feedback channel, when the turbine is running, the feedback channel detects that the guide vane If the leaf calculation value and the feedback of the second feedback guide vane change but the feedback of the first feedback guide vane does not change, it is considered to be consistent with the fault logic of the first feedback guide vane (main) and an alarm is issued.
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