BP neural network photovoltaic power station generating capacity prediction method based on genetic algorithm
A BP neural network and prediction method technology, which is applied in the field of photovoltaic power generation forecasting, can solve the problems of insufficient initial weight threshold fitness, large prediction error, small calculation amount, etc., and achieve the effect of improving the final prediction accuracy.
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[0051] A method for predicting the power generation of a BP neural network photovoltaic power station based on a genetic algorithm, comprising the following steps:
[0052] (1) Select data samples: select the main factors that affect photovoltaic power generation during the period of 6:00-18:00 every day within 12 days of a month, including solar irradiance, instantaneous wind speed, backplane temperature, ambient temperature and ambient humidity, And collect the real-time data of these influencing factors of photovoltaic power generation and the corresponding power generation, and take 5 minutes as the time scale, correspond the five influencing factors and power generation according to the time sequence one by one, and determine the data sample set. The data samples are in total 1728 sets of data, the first 11 days of the collected sample set are used as the BP neural network training sample set, and the last day is used as the test sample set;
[0053] (2) Data preprocessin...
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