Day-Ahead Optimal Scheduling of an Integrated Energy System Based on a Piecewise Self-Adaptive Particle Swarm Optimization Algorithm

被引:13
作者
Chen, Jiming [1 ]
Ning, Ke [1 ]
Xin, Xingzhi [2 ]
Shi, Fuhao [3 ]
Zhang, Qing [4 ]
Li, Chaolin [4 ]
机构
[1] China Univ Petr East China, Coll New Energy, Qingdao 266580, Peoples R China
[2] Elect Power Branch Co Shengli Oilfield, SINOPEC, Dongying 257001, Peoples R China
[3] SINOPEC, Publ Serv Ctr Shengli Oilfield, Dongying 257001, Peoples R China
[4] Qingdao Ruinengda Elect Technol Ltd Co, Qingdao 266580, Peoples R China
关键词
integrated energy system; optimal scheduling; piecewise self-adaptive; chaotic mapping; fuel cell; FUZZY-LOGIC INFERENCE; POWER-TO-GAS; FUEL-CELL; PERFORMANCE; FLOW; UNCERTAINTY; GENERATION; DESIGN;
D O I
10.3390/en15030690
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The interdependency of electric and natural gas systems is becoming stronger. The challenge of how to meet various energy demands in an integrated energy system (IES) with minimal cost has drawn considerable attention. The optimal scheduling of IESs is an ideal method to solve this problem. In this study, a day-ahead optimal scheduling model for IES that included an electrical system, a natural gas system, and an energy hub (EH), was established. The proposed EH contained detailed models of the fuel cell (FC) and power to gas (P2G) system. Considering that the optimal scheduling of an IES is a non-convex complex optimal problem, a piecewise self-adaptive particle swarm optimization (PCAPSO) algorithm based on multistage chaotic mapping was proposed to solve it. The objective was to minimize the operating cost of the IES. Three operation scenarios were designed to analyze the operation characteristics of the system under different coupling conditions. The simulation results showed that the PCAPSO algorithm improved the convergence rate and stability compared to the original PSO. An analysis of the results demonstrated the economics of an IES with the proposed EHs and the advantage of cooperation between the FC and P2G system.
引用
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页数:18
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