Reactive power coordinated control algorithm for distributed photovoltaics of distribution network based on eleven-lattice graph
A distributed photovoltaic and coordinated control technology, applied in reactive power compensation, AC network voltage adjustment, etc., can solve grid voltage stability problems, grid voltage fluctuations, increase the difficulty of grid voltage adjustment, etc., and achieve accurate control effects Effect
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[0018] Such as figure 1 As shown, the present invention provides a distribution network distributed photovoltaic reactive power coordination control algorithm based on the eleventh diagram, including: 1) using the selection control strategy of the eleventh diagram, taking the grid-connected point voltage and power factor as the comprehensive Criterion to select the adjustment method of reactive power control; 2) Use the equal ratio method to make each adjustable photovoltaic power generation unit have the same reactive power adjustment margin, and each photovoltaic power generation unit is within the upper and lower limits of reactive power according to the offset The same principle is used for distribution; 3) The equal power factor method is used to make each adjustable photovoltaic power generation unit have the same power factor, and the target total reactive power of the whole station is calculated according to the target command after excluding the non-adjustable photovol...
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