NDLI: Approximate dynamic programming-based decentralised robust optimisation approach for multi-area economic dispatch considering wind power uncertainty

Content Provider	IET Digital Library
Author	Zhu, Jianquan Wang, Chenxi Guo, Ye Luo, Tianyun Mo, Xiemin Xia, Yunrui
Abstract	This study presents a fully decentralised robust optimisation (RO) approach for multi-area economic dispatch (MA-ED) in the presence of wind power uncertainty. Unlike traditional algorithms, the authors formulate this MA-ED problem as dynamic programming problem, and decompose the centralised robust MA-ED problem into a series of sub-problems based on approximate dynamic programming algorithm. The value functions are proposed for each area to iteratively estimate the impacts of its dispatches on the dispatches of other areas which make decisions subsequently. The proposed algorithm does not require a central operator but only needs to exchange a small amount of information among neighbouring areas to achieve fully decentralised decision-making. It is practical in cases where the centralised operator cannot be implemented considering the dispatch independence and the detailed data of one area is unavailable considering the privacy. Additionally, the accuracy, adaptability and computational efficiency of the proposed algorithm are illustrated using numerical simulations on two test systems and an actual power system.
Starting Page	2376
Ending Page	2385
Page Count	10
ISSN	17521416
Volume Number	14
e-ISSN	17521424
Issue Number	Issue 13, Oct (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/14/13
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2019.0794
Journal	IET Renewable Power Generation
Publisher Date	2020-06-11
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Approximate Dynamic Programming Algorithm Approximate Dynamic Programming-based Centralised Robust MA-ED Problem Decentralised Control Decision Making Dispatch Independence Dispatches Dynamic Programming Dynamic Programming Problem Fully Decentralised Decision-making Fully Decentralised Robust Optimisation Multiarea Economic Dispatch Multivariable Control System Neighbouring Areas Optimisation Optimisation Technique Power Generation Dispatch Power Generation Economics Power System Economics Power System Managemen Power System Operation Robust Optimisation Approach Wind Power Uncertainty
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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