Decentralized coordination of distributed generators in a distribution network using A*

Wang, Lu, Sharkh, Suleiman and Chipperfield, Andy (2016) Decentralized coordination of distributed generators in a distribution network using A*. In 2016 IEEE International Conference on Power System Technology (POWERCON). IEEE. pp. 1-6 . (doi:10.1109/POWERCON.2016.7754077).

Abstract

The increasing penetration of renewable generators (RGs) in the power grid is an inevitable trend to combat air pollution and reduce the usage of fossil fuels. In a distribution network, the growing erection of distributed small-scale renewable generators poses several challenges for the network operator: constrained capacity and balancing of supply and demand. Therefore, an appropriate approach is required to achieve the optimal dispatch of distributed generators within a distribution network. In this paper, a decentralized agent-based dispatch approach is proposed for the optimal coordination of distributed generators. It is first formulated as a distributed constrained optimization problem and then solved using an A∗-based algorithm. The proposed approach is explained and tested on an example distribution network. A comparison with a published algorithm based on dynamic programming is made to discuss the difference between them and the potential advantages of the proposed A∗-based optimal dispatch algorithm.

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Contributors

Author: Suleiman Sharkh

Author: Andy Chipperfield

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