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Energies 2017, 10(12), 1991; https://doi.org/10.3390/en10121991

Dynamic Power Dispatch Considering Electric Vehicles and Wind Power Using Decomposition Based Multi-Objective Evolutionary Algorithm

1
School of Electronic and Information Engineering, Zhongyuan University of Technology, Zhengzhou 450007, China
2
School of Electrical Engineering, Zhengzhou University, Zhengzhou 450001, China
3
Department of Automation, Tsinghua University, Beijing 100084, China
*
Author to whom correspondence should be addressed.
Received: 27 October 2017 / Revised: 17 November 2017 / Accepted: 22 November 2017 / Published: 1 December 2017

Abstract

The intermittency of wind power and the large-scale integration of electric vehicles (EVs) bring new challenges to the reliability and economy of power system dispatching. In this paper, a novel multi-objective dynamic economic emission dispatch (DEED) model is proposed considering the EVs and uncertainties of wind power. The total fuel cost and pollutant emission are considered as the optimization objectives, and the vehicle to grid (V2G) power and the conventional generator output power are set as the decision variables. The stochastic wind power is derived by Weibull probability distribution function. Under the premise of meeting the system energy and user’s travel demand, the charging and discharging behavior of the EVs are dynamically managed. Moreover, we propose a two-step dynamic constraint processing strategy for decision variables based on penalty function, and, on this basis, the Multi-Objective Evolutionary Algorithm Based on Decomposition (MOEA/D) algorithm is improved. The proposed model and approach are verified by the 10-generator system. The results demonstrate that the proposed DEED model and the improved MOEA/D algorithm are effective and reasonable. View Full-Text
Keywords: dynamic power dispatch; electric vehicles; wind power; constraint handling method; multi-objective optimization dynamic power dispatch; electric vehicles; wind power; constraint handling method; multi-objective optimization
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Qu, B.; Qiao, B.; Zhu, Y.; Liang, J.; Wang, L. Dynamic Power Dispatch Considering Electric Vehicles and Wind Power Using Decomposition Based Multi-Objective Evolutionary Algorithm. Energies 2017, 10, 1991.

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