Pump turbine characteristic simulation method and simulator
A technology of pump turbine and simulation method, applied in simulators, instruments, control/regulation systems, etc., can solve problems such as difficulty in engineering calculation of working characteristics of reversible units, and achieve the effect of improving learning speed and fitting accuracy
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Embodiment 1
[0030] As a preferred embodiment of the present invention, with reference to the attached figure 1 and 3 , this example discloses:
[0031] The method for simulating the characteristics of a water pump turbine includes the following steps:
[0032] A. The data acquisition step is to establish a communication connection with the computer, and receive the original data of the pump turbine output by the computer; or read the original data of the pump turbine from the storage device;
[0033] B. Steps of setting BP neural network parameters, using 3-layer BP neural network to nonlinear space surface function M * =M(y * , Q * , N * ) for modeling, the input layer has three nodes, and the input variables are y * , Q * , N * ; There is one node in the output layer, the output variable is M * ; where y * Indicates relative guide vane opening, Q * Indicates relative unit flow, N * Indicates the relative unit speed, M * Indicates the relative unit moment;
[0034] C. The ori...
Embodiment 2
[0042] As another preferred embodiment of the present invention, with reference to the attached figure 1 and 3 , this example discloses:
[0043] The method for simulating the characteristics of a water pump turbine includes the following steps:
[0044] A. The data acquisition step is to establish a communication connection with the computer, and receive the original data of the pump turbine output by the computer; or read the original data of the pump turbine from the storage device;
[0045] B. Steps of setting BP neural network parameters, using 3-layer BP neural network to nonlinear space surface function M * =M(y * , Q * , N * ) for modeling, the input layer has three nodes, and the input variables are y * , Q * , N * ; There is one node in the output layer, the output variable is M * ; where y * Indicates relative guide vane opening, Q * Indicates relative unit flow, N * Indicates the relative unit speed, M * Indicates the relative unit moment;
[0046] C....
Embodiment 3
[0055] As another preferred embodiment of the present invention, with reference to the attached Figure 1-4 , this example discloses:
[0056] The water pump turbine characteristic simulator includes a main board, a display panel, an analog signal interface, and a communication and storage interface. The main board includes a power supply circuit, a processor, an analog signal conditioning circuit, and a communication and storage interface circuit; the processor is DSP+FPGA Form processor, DSP is responsible for interface function management and display panel interaction, adopts described pump-turbine characteristic simulation method in FPGA processor to carry out fitting to the original data of pump-turbine, obtains the characteristic model of water-pump-turbine; Described display panel is a The LCD liquid crystal display panel with touch function is used for displaying the characteristic curve of the water pump and turbine and operating the simulator in a touch mode; the com...
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