Optimal power flow management for distributed energy resources with batteries

被引：128

作者：

Tazvinga, Henerica ^{[1
]}

Zhu, Bing ^{[1
]}

Xia, Xiaohua ^{[1
]}

机构：

[1] Univ Pretoria, Dept Elect Elect & Comp Engn, Ctr New Energy Syst, ZA-0002 Pretoria, South Africa

来源：

ENERGY CONVERSION AND MANAGEMENT | 2015年 / 102卷

基金：

新加坡国家研究基金会;

关键词：

Conflicting; Variable nature; Energy management; Hybrid energy system; Dispatch strategy; LEAD-ACID-BATTERIES; MULTIOBJECTIVE OPTIMIZATION; GENETIC ALGORITHMS; DISPATCH STRATEGY; SYSTEMS; LIFETIME; STORAGE; DESIGN; MODEL; COST;

D O I：

10.1016/j.enconman.2015.01.015

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper presents an optimal energy management model of a solar photovoltaic-diesel-battery hybrid power supply system for off-grid applications. The aim is to meet the load demand completely while satisfying the system constraints. The proposed model minimizes fuel and battery wear costs and finds the optimal power flow, taking into account photovoltaic power availability, battery bank state of charge and load power demand. The optimal solutions are compared for cases when the objectives are weighted equally and when a larger weight is assigned to battery wear. A considerable increase in system operational cost is observed in the latter case owing to the increased usage of the diesel generator. The results are important for decision makers, as they depict the optimal decisions considered in the presence of trade-offs between conflicting objectives. (c) 2015 Elsevier Ltd. All rights reserved.

引用

页码：104 / 110

页数：7

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