Distributed photovoltaic data virtual acquisition method
A distributed photovoltaic and collection method technology, applied in the field of electric power, can solve the problems of large amount of operation and maintenance data, high cost of transmission and storage, and achieve the effect of simplifying the complexity, simplifying the model, and reducing the dimension
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[0017] The technical solution of the present invention provides a distributed virtual collection method of photovoltaic data based on gray relational degree and BP neural network, so as to solve the problem of high cost caused by full coverage of photovoltaic data collection devices.
[0018] Introduce the exemplary embodiment of the present invention with reference to accompanying drawing now, at first, rely on the distributed photovoltaic station that has installed data acquisition device in the region to know the irradiance data and output power data of historical day, select the main weather that influences photovoltaic output power Factor - irradiance, which is used as a feature vector to select similar days using gray relational theory. include:
[0019] Considering that the impact of historical data on photovoltaic power generation has the characteristics of "near large and far small", the data of 90 consecutive days, that is, three months, are selected as the original ...
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