Abstract
Regarding the coordinated dispatch of active power distribution network containing large-scaled distributed generations (DGs) and electric vehicles (EVs), this paper proposes a coordinated dispatch method based on voltage iteration. A model for coordinated dispatch that can optimize the node charging power of EVs and the output of DGs is established. Then the network loss in the optimization objective is simplified by the static voltage which obtained in the previous optimization iteration. Meanwhile, the nonlinear restrictions between power and voltage are simplified by the sensitivity equation, also based on the static voltage. Finally, an iteration method is proposed to correct the static voltage used in the simplified model. The coordinated dispatch method proposed in this paper is verified by the IEEE33 node test system.
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