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Article

A Novel Optimization Method for a Multi-Year Planning Scheme of an Active Distribution Network in a Large Planning Zone

School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
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Academic Editors: Gernot Stöglehner, David Woess and Georg Neugebauer
Energies 2021, 14(12), 3450; https://doi.org/10.3390/en14123450
Received: 24 May 2021 / Revised: 4 June 2021 / Accepted: 8 June 2021 / Published: 10 June 2021
(This article belongs to the Special Issue Sector Coupling for Sustainable Urban and Regional Energy Systems)
Electric power distribution networks plays a significant role in providing continuous electrical energy to different categories of customers. In the context of the present advancements, future load expansion in the active distribution networks (ADNs) poses the key challenge of planning to be derived as a multi-stage optimization task, including the optimal expansion planning scheme optimization (EPSO). The planning scheme optimization is a multi-attribute decision-making issue with high complexity and solving difficulty, especially when it involves a large-scale planning zone. This paper proposes a novel approach of a multi-year planning scheme for the effective solution of the EPSO problem in large planning zones. The proposed approach comprises three key parts, where the first part covers two essential aspects, i.e., (i) suggesting a project condition set that considers the elements directly related to a group of specific conditions and requirements (collectively referred to as conditions) to ADN planning projects; and (ii) Developing a condition scoring system to evaluate planning projects. The second part of our proposed scheme is a quantization method of correlativity among projects based on two new concepts: contribution index (CI) and dependence index (DI). Finally, considering the multi-year rolling optimization, a detailed mathematical model of condition evaluation and spatiotemporal optimization sequencing of ADN planning projects is developed, where the evaluation and optimization are updated annually. The proposed model has been successfully validated on a practical distribution network located in Xiantao, China. The investigated case study and comparisons verify the various advantages, suitability, and effectiveness of the proposed planning scheme, consequently saving more than 10% of the investment compared with the existing implemented scheme. View Full-Text
Keywords: active distribution network expansion planning; multi-year planning; rolling optimization method; quantization method of correlativity; multi-attribute decision-making active distribution network expansion planning; multi-year planning; rolling optimization method; quantization method of correlativity; multi-attribute decision-making
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MDPI and ACS Style

Zheng, X.; Wang, S.; Ullah, Z.; Xiao, M.; Ye, C.; Lei, Z. A Novel Optimization Method for a Multi-Year Planning Scheme of an Active Distribution Network in a Large Planning Zone. Energies 2021, 14, 3450. https://doi.org/10.3390/en14123450

AMA Style

Zheng X, Wang S, Ullah Z, Xiao M, Ye C, Lei Z. A Novel Optimization Method for a Multi-Year Planning Scheme of an Active Distribution Network in a Large Planning Zone. Energies. 2021; 14(12):3450. https://doi.org/10.3390/en14123450

Chicago/Turabian Style

Zheng, Xuejun; Wang, Shaorong; Ullah, Zia; Xiao, Mengmeng; Ye, Chang; Lei, Zhangping. 2021. "A Novel Optimization Method for a Multi-Year Planning Scheme of an Active Distribution Network in a Large Planning Zone" Energies 14, no. 12: 3450. https://doi.org/10.3390/en14123450

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