Wide Area Photovoltaic Power Plants Planning Considering the Differences in Meteorological and Geographical Conditions in Different Regions
Various regions of China are vigorously developing the photovoltaic industry,and some provinces have proposed provincial photovoltaic development goals.Compared with local photovoltaic planning,taking a wide area of photovoltaic planning,such as planning in a whole province,will encounter problems such as difficulty in obtaining meteorological information,difficulty in estimating photovoltaic output power,and differences in geographical conditions across regions.A wide area photovoltaic power plant planning method considering differences in geographical and meteorological conditions was proposed for this purpose.Because of the differences in meteorological conditions in different regions,the solar radiation at any place at any time is calculated through geographical information such as latitude and position of the sun,and other meteorological information at the target location is obtained through the meteorological interpolation model.A Long-term memory network model with an attention mechanism is constructed to predict the photovoltaic output of unit photovoltaic capacity in different regions.Because of the geographical conditions differences in different regions,combined with the predicted annual power generation of unit photovoltaic in each region,the area and development cost of unit photovoltaic capacity under the influence of different geographical conditions were calculated,and the grid operation constraints in different locations were considered to build a model for wide area photovoltaic power station planning.The rationality and superiority of the proposed method were verified using a typical province as a scenario.The proposed method that considers the differences in geographical and meteorological conditions yields higher and more accurate power generation than the method that only considers solar radiation to determine the development of PV power plants and provides a reference for the development of PV power plants in various regions.
meteorological conditionsgeographical conditionsphotovoltaic power plants planningphotovoltaic power forecastinglong short-term memory
万方数据
维普
