Centrifugal pump flow prediction method based on power and differential pressure
A flow prediction, centrifugal pump technology, applied in pump control, non-variable-capacity pumps, special data processing applications, etc., can solve problems such as high cost, poor integration, and inability to effectively predict flow
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[0093] The present invention will be further described in detail with reference to the accompanying drawings and embodiments.
[0094] combine figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 and Figure 6 , a specific implementation of a centrifugal pump flow prediction method based on power and pressure difference is shown below:
[0095] Step 1. Construct a centrifugal pump flow prediction model based on the 'Gray-box modeling' theory;
[0096] According to the principle of energy conservation, the centrifugal pump is divided into three modules as a whole, namely, the motor module (6-1), the mechanical module (6-2) and the hydraulic module (6-3), and each module has corresponding input parameters And the output parameters and the internal energy transfer model, here it is defined as a 'gray box' module, where the motor module is the first 'gray box'; the mechanical module is the second 'gray box'; the hydraulic module is the third 'gray box' '. For the motor ...
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