Guide vane feedback fault judgment logic method
A logic method and fault judgment technology, applied in the direction of machine/engine, mechanical equipment, engine components, etc., which can solve the problems of power fluctuation of the unit, loss of control of the guide vane, and the inability to switch the feedback signal of the guide vane to the backup sensor.
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[0042]When the sensor 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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