Photovoltaic power short-term prediction method and device based on machine learning, and storage medium
A machine learning and short-term forecasting technology, applied in machine learning, forecasting, instruments, etc., can solve problems such as insufficient accuracy of photovoltaic power forecasting, and achieve the effects of accurate power forecasting, large profit space, and rapid development
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Embodiment 1
[0039] This embodiment relates to a computer-based photovoltaic power short-term prediction method, and the step can be performed in a computer system such as a set of computer executable instructions, and although the logical order is shown in the flowchart, in some cases Next, it can be performed in the order different from here. like figure 1 , Includes the following steps:
[0040] Step S101, historical data integration: data from the historical power, climate meteorology, geographic location, electrical station design, electrical efficiency, management operations, etc., and integrated it as a time series with time as an index. data.
[0041]Light resources and photovoltaic power affect factors and affect the complicacy. Different factors have different degrees of influence in different environments, so integrated data from multi-dimensional collection. Specifically, climate meteorological data mainly includes atmospheric radiation, aerosol optical thickness, sun flange, spati...
Embodiment 2
[0056] This embodiment relates to a device for short-term prediction of photovoltaic power, which can be implemented in hardware or software for completing the short-term prediction method of photovoltaic power. like image 3 As shown, the prediction device 100 includes a historical data integration module 101, a data set pretreatment module 102, a timing trend decomposition module 103, an optimal feature filter module 104, a machine learning modeling module 105, a prediction of trend fusion module 106.
[0057] The historical data integration module 101 is configured to collect data from a plurality of photovoltaic power plants, and integrate them as a time series data at time as an index; corresponding to the content of step S101 in Example 1;
[0058] The data set pre-processing module 102 is used to make a split box processing in the data in the data, and perform data cleaning of the missing value and an abnormal value; corresponding to the content of step S102 in the first emb...
Embodiment 3
[0064] This embodiment relates to an electronic device for short-term prediction of photovoltaic power. Figure 4 The electronic device of the electronic device provided by the embodiment of the present invention, the electronic device may include a processor 301, a communication interface (Communications Interface 302, a memory (Memory) 303, and bus 304, wherein the processor 301, Communication interface 302, memory 303 performs communication between each other through bus 304. The processor 301 can invoke a computer program stored on the memory 303 and can run on the processor 301 to perform the short-term prediction method provided by the above-described Embodiment 1. For example,: historical data integration: collect data from the photovoltaic power station, and integrate them as a time series data at time as an index; data collection pre-processing: the characteristics of the continuous value in the data are split box processing, and Data cleaning of missing values and abnor...
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