Method for monitoring flow meter faults of turbine system
A technology for fault monitoring and system flow, which is applied in liquid/fluid solid measurement, measuring devices, testing/calibration devices, etc. It can solve the problem of installing multiple flow meters, lack of effective fault monitoring means, complicated installation and disassembly of flow meters, etc. problem, to achieve the effect that the method is simple and feasible
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[0044] The present invention will be described below by taking a steam turbine high-pressure feed water heater, feed water pump and deaerator system as an example. The equipment included in this embodiment is: three high-pressure feedwater heaters, namely #1 high-pressure feedwater heater, #2 high-pressure feedwater heater and #3 high-pressure feedwater heater; one feedwater pump; one deaerator.
[0045] The pressure, temperature and flow measurement parameters in the system are shown in Table 1. The measured parameters are recorded as X in turn 1 ,X 2 ,...X 21 . Wherein, the number of measurement parameters is 21.
[0046] Table 1. Measurement parameters, measurement values, measurement uncertainties and coordination values
[0047]
[0048]
[0049] The unmeasured parameters included in the system are shown in Table 2. The unmeasured parameters are recorded as Y in turn 1 ,Y 2 ,...Y 8 . Among them, the number of unmeasured parameters is 8.
[0050] Table 2. ...
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