Photovoltaic electric station grid connection capacity optimization and control method based on four-element constraint method
A photovoltaic power station and capacity optimization technology, applied in photovoltaic power generation, photovoltaic modules, light radiation generators, etc., can solve the problems of waste of system resources, inability to determine the maximum access capacity of photovoltaic power stations at access points, and inability to determine grid margins, etc. , to achieve the effect of reducing the design workload
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[0040] According to the formulas (1) to (7), the access capacity G of the photovoltaic power station controlled by the short-circuit ratio is calculated respectively 1 , PV power station access capacity G under voltage loss control 2 , The access capacity of photovoltaic power plants controlled by voltage fluctuation G 3 And the photovoltaic power station access capacity G that allows harmonic injection control 4 , and then take the minimum value of the control capacity obtained from the four elements to obtain the optimal control capacity G of the photovoltaic power station grid-connected capacity opt .
[0041] 1) Calculate the access capacity G of the photovoltaic power station controlled by the short-circuit ratio according to formula (1) 1 , PV power station access capacity G under voltage loss control 2 , The access capacity of photovoltaic power plants controlled by voltage fluctuation G 3 And the photovoltaic power station access capacity G that allows harmonic in...
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