Optimization of Distribution-side Distributed Photovoltaic Market Trading Strategies Considering Source-Grid-Load-Storage Coordination

doi:10.11930/j.issn.1004-9649.202503052

Abstract

Abstract:

To address the challenges posed by intermittent fluctuation of high-penetration distributed photovoltaic (DPV) integration to the secure and stable operation of the power system, a market mechanism and trading strategy is proposed for collaborative participation of source-grid-load-storage in distribution-side transactions. Firstly, the distribution-side distributed energy market was constructed, and a market mechanism was designed considering the characteristics of distributed energy. Secondly, an operation model of each entity was established considering electricity transaction among entities, and an optimization model for multi-agent cooperative operation of source-grid-load-storage was established based on Nash bargaining theory. Finally, the distributed alternating direction method of multiplier (ADMM) was employed to obtain bids and profits of all parties. Simulation results show that, after considering the market mechanism and the revenue distribution of the distribution system operator, the overall alliance market revenue increased by 29.8%, and the local PV consumption rate rose by 59.8%, verifying the effectiveness of the proposed market mechanism and trading strategy.

Key words: source-grid-load-storage, distribution-side market, distributed PV, demand response, nash equilibrium, ADMM

TAN Qinliang, ZENG Jiabin, LV Hanyu, HE Jiaming, SHI Chaofan, DING Yihong. Optimization of Distribution-side Distributed Photovoltaic Market Trading Strategies Considering Source-Grid-Load-Storage Coordination[J]. Electric Power, 2025, 58(10): 39-49.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202503052

https://www.electricpower.com.cn/EN/Y2025/V58/I10/39

Figures/Tables 16

References 27

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时段		电价/(元·(kW·h)^–1)
谷段（00:00—08:00，23:00—24:00）		0.3376
峰段（12:00—15:00，19:00—23:00）		0.8654
平段（08:00—12:00，15:00—19:00）		0.5980

时段		电价/(元·(kW·h)^–1)
谷段（00:00—08:00，23:00—24:00）		0.3376
峰段（12:00—15:00，19:00—23:00）		0.8654
平段（08:00—12:00，15:00—19:00）		0.5980

参数	数值	参数	数值
最大PV出力/MW	6	初始SOC	0.5
额定容量/MW	5	荷电状态范围	0.1~0.9
充电功率/MW	3	光伏电价/(元·(kW·h)^–1)	0.3
放电功率/MW	3	储能电价/(元·(kW·h)^–1)	0.4
过网费参数$\beta $	0.03	交易下限/(元·(kW·h)^–1)	0.2
过网费参数$\alpha $	4×10^–5	交易上限/(元·(kW·h)^–1)	2

参数	数值	参数	数值
最大PV出力/MW	6	初始SOC	0.5
额定容量/MW	5	荷电状态范围	0.1~0.9
充电功率/MW	3	光伏电价/(元·(kW·h)^–1)	0.3
放电功率/MW	3	储能电价/(元·(kW·h)^–1)	0.4
过网费参数$\beta $	0.03	交易下限/(元·(kW·h)^–1)	0.2
过网费参数$\alpha $	4×10^–5	交易上限/(元·(kW·h)^–1)	2

联盟主体	不合作收益	合作收益	提升收益
分布式光伏	6355.756	6858.716	502.96
配电系统运营商	345.854	866.319	520.465
负荷聚合商	–36613.400	–31041.827	5571.573
储能电站	149.379	1106.088	956.709
联盟整体	–29762.411	–22210.704	7551.707