Water level fault-tolerant control method of nuclear power unit steam generator
A technology for steam generators and nuclear power units, applied in nuclear power plant control, computer-implemented nuclear control, and nuclear power generation, etc., can solve problems such as the inability of DCS systems to ensure safe operation, and achieve the goal of suppressing adverse effects, improving active safety, and improving The effect of overall safety
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[0030] Next, the technical solutions in the embodiments of the present invention will be described in contemplation in the embodiment of the present invention, and it is clear that the described embodiments are intended to be in an embodiment of the invention, not all of the embodiments of the invention. Based on the embodiments of the present invention, those of ordinary skill in the art will belong to the scope of the present invention without all other embodiments obtained without creative labor.
[0031] Step 1: The DCS control system monitors the acquisition of fault information and supplies the fault information to the fault diagnostic module, which includes the following sub-steps:
[0032] (1.1) The total variables of the steam generator water level control loop are continuously sampled by means of DCS to form a sample data set. The length of the data set is pre-determined according to the dynamic time constant of the water level process, and the old data that exceeds the ...
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