Joint Planning of Regional Integrated Energy System Based on Enhanced Benders Decomposition

doi:10.16183/j.cnki.jsjtu.2023.059

Abstract

Abstract:

With the gradual marketization of energy trading, different economic entities such as the integrated energy service provider (IESP) and user aggregators (UAs) will form within the regional integrated energy system (RIES). The coordination of all entities to participate in joint planning for a globally optimal planning scheme while protecting privacy has posed a new challenge for RIES planning. First, the structure of the coupled electrical-gas-thermal RIES is clarified in this paper, and a mathematical model is constructed from IESP, UA, and electrical-gas-thermal network. Then, a RIES joint planning model considering IESP and multiple UAs is proposed with the objective of economical optimization. Afterwards, in order to adapt to the non-convexity of the sub-problem of the joint planning problem, the enhanced Benders algorithm is proposed to realize the distributed solution of the model, which protects the privacy of all entities to the greatest extent. Finally, the advantages of the joint planning scheme in terms of economy and energy efficiency are analyzed by comparing four sets of cases, and the good convergence of the proposed distributed algorithm is verified.

Key words: regional integrated energy system (RIES), joint planning, enhanced Benders decomposition, distributed solution, privacy protection

CLC Number:

TM731

LIU Bingwen, WU Xiong, CAO Binrui, MA Song, HE Wenwen. Joint Planning of Regional Integrated Energy System Based on Enhanced Benders Decomposition[J]. Journal of Shanghai Jiao Tong University, 2024, 58(10): 1513-1523.

Figures/Tables 12

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类型	使用年限	年投资成本	单位运行成本/ (元·kW^-1)
CHP	30	390元/kW	0.03
PV	30	228元/kW
WT	20	522元/kW
BESS	15	125元/(kW·h)	0.04
电力线路	70	2.10元/(kW·km^-1)
天然气管道	20	23.83元/(m³·kW^-1)
供热管道	15	2.95元/(kW·km^-1)
EB	20	361元/kW	0.08
GB	20	281元/kW	0.07

序号	CHP/ kW	PV/kW	WT/ kW	BESS/ (kW·h)	EB/ kW	GB/ kW
1	4143	0	1500	1019	811	477
2	3205	1301	1100	438	316	70
3	353	1882	1700	1600	60	0
4		191	1200	1800	889	7
5		1818	1500		266	0
6			1600

项目	年度总成本/元	CHP总容量/kW	PV和WT 总容量/kW	BESS总容量/ (MW·h)	电力线路总容量/kW	天然气管道总容量/m³	供热管道总容量/kW	各UA中EB、 GB总容量/kW
情景1	2.99×10⁷	1423	1.27×10⁴	3366	1.60×10⁴	672	3718	2896
情景2	3.15×10⁷	2151	7831	3551	1.10×10⁴	986	4099	1799
情景3	3.41×10⁷	3066	6083	4736	1.27×10⁴	1244	5376	0
情景4	3.00×10⁷	1427	1.27×10⁴	3195	1.44×10⁴	666	5783	2909

编号	容量/kW	编号	容量/kW
1	345	6	464
2	621	7	464
3	1324	8
4	44	9	173
5	282

编号	容量/kW	编号	容量/kW
1	1293	12	1166
2		13	353
3	423	14	442
4	875	15	2166
5	80	16	428
6	1538	17	258
7	2526	18	1609
8	163	19	578
9		20
10	594	21
11	1425