高比例风电接入系统光热发电-火电旋转备用优化方法

doi:10.19595/j.cnki.1000-6753.tces.211811

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Abstract As wind power and other volatile new energy generation gradually become the main power source of the grid, the problem of insufficient reserve of a high proportion of wind power connected to the grid has become prominent. At the same time, the concentrating solar power (CSP) plant has time-shifting and adjustable characteristics, which can effectively bear the system's spinning reserve demand. However, CSP is constrained by the strong correlation between heat storage and solar resources. It's reserve capacity is limited. How to use the limited CSP and thermal power to optimize the joint reserve to meet the reserve demand of the high-proportion wind power system has become a problem that needs to be studied urgently. This paper firstly analyzes the impact of high-proportion wind power connected to the spinning reserve system on wind power consumption; Secondly, it analyzes the feasibility of CSP-thermal power combined to provide spinning reserve. Aiming at the constraints of CSP heat storage, it is proposed to use electric heating (EH) equipment to improve the standby capacity of CSP. And based on the electric-to-thermal characteristics of the EH equipment and the thermal storage characteristics of the solar thermal power plant, a model of power consumption and power generation peaking standby of the EH-CSP is established, and based on this, a solar thermal power generation-thermal power rotation standby optimization model is established. Finally, the improved IEEE 30 node system is used for simulation verification, and the result proves the effectiveness of the method proposed in this paper.

Key words： Concentrating solar power(CSP) plant spinning reserve electric heating equipment high proportion of wind power

Received: 10 November 2021

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	Zhang Yaoxiang
	Liu Wenying
	Pang Qinglun
	Shen Ziyu

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Zhang Yaoxiang,Liu Wenying,Pang Qinglun等. Optimal Power Spinning Reserve Method of Concentrating Solar Power and Thermal Power for High-Proportion Wind Power System[J]. Transactions of China Electrotechnical Society, 2022, 37(21): 5478-5489.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.211811 OR https://dgjsxb.ces-transaction.com/EN/Y2022/V37/I21/5478

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