Two-Stage Market Joint Clearance Considering Participation of Wind/Photovoltaic/Energy Storage Power Station in Flexible Ramping

doi:10.16183/j.cnki.jsjtu.2023.570

Abstract

Abstract:

With the integration of a high proportion of renewable energy into the grid, the volatility and uncertainty of wind and solar output will pose more severe challenges to the flexible operation of the system. Reasonable utilization of flexible resources and improvement of the flexible ramping ability of power systems will become an important approach to addressing the challenges of new energy. This article analyzes the differences in system flexibility ramping requirements under different clearing intervals, taking into account the uncertainty of renewable energy. It establishes a two-stage electricity energy and flexible ramping market joint clearing model based on a stochastic programming model. By utilizing flexible resource rich regulation methods such as wind/photovoltaic/energy storage power station, while alleviating real-time market uncertainty, it provides flexible ramping products to improve the flexible adjustment ability of the system. Finally, it conducts a case study to analyze the impact of the clearing model under different clearing methods and prediction errors. The results indicate that a two-stage market joint clearance considering the participation of wind/photovoltaic/energy storage power station in flexible ramping can improve the real-time operational flexibility and overall economic efficiency of the system.

Key words: uncertainty, stochastic programming models, flexible ramping products, wind/photovoltaic/energy storage power station, joint market clearing

CLC Number:

TM732

CHENG Mingyang, XING Haijun, MI Yang, ZHANG Shenxi, TIAN Shuxin, SHEN Jie. Two-Stage Market Joint Clearance Considering Participation of Wind/Photovoltaic/Energy Storage Power Station in Flexible Ramping[J]. Journal of Shanghai Jiao Tong University, 2025, 59(10): 1451-1463.

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方案	日前市场预购成本/万元	实时市场调整成本/万元	FRPs机会成本/万元	总成本/万元	切负荷/ (MW·h)	弃风光/ (MW·h)	消纳率%
Case1	403.21	62.25	无	465.46	12.26	174.4	90.2
Case2	408.10	41.91	1.72	450.01	4.52	47.5	97.3
Case3	408.11	36.27	2.13	444.38	0	19.7	98.9

场景	方案	FRPs成本/万元	总成本/万元	切负荷/(MW·h)	弃风光/(MW·h)	消纳率%
a	Case1		474.32	15.34	181.4	89.8
	Case2	1.85	453.41	4.87	48.52	96.9
	Case3	2.32	446.53	0.79	23.25	98.5
b	Case1		492.33	25.25	242.84	87.6
	Case2	2.43	457.85	6.25	48.25	96.3
	Case3	3.18	449.39	1.05	27.12	98.1