An Incentive-based Online Optimization Framework for Distribution Grids

نویسندگان

  • Xinyang Zhou
  • Emiliano Dall'Anese
  • Lijun Chen
  • Andrea Simonetto
چکیده

This paper formulates a time-varying social-welfare maximization problem for distribution grids with distributed energy resources (DERs) and develops online distributed algorithms to identify (and track) its solutions. In the considered setting, network operator and DER-owners pursue given operational and economic objectives, while concurrently ensuring that voltages are within prescribed limits. The proposed algorithm affords an online implementation to enable tracking of the solutions in the presence of time-varying operational conditions and changing optimization objectives. It involves a strategy where the network operator collects voltage measurements throughout the feeder to build incentive signals for the DER-owners in real time; DERs then adjust the generated/consumed powers in order to avoid the violation of the voltage constraints while maximizing given objectives. Stability of the proposed schemes is analytically established and numerically corroborated.

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عنوان ژورنال:
  • CoRR

دوره abs/1705.01482  شماره 

صفحات  -

تاریخ انتشار 2017