考虑大规模风电接入的电力系统备用容量评估方法

广西电力 ›› 2021, Vol. 44 ›› Issue (2): 27-32.

• “碳达峰、碳中和”研究专栏 • 上一篇下一篇

考虑大规模风电接入的电力系统备用容量评估方法

吴晓锐, 龚文兰, 吴宁, 陈卫东, 韩帅

广西电网有限责任公司电力科学研究院,广西南宁 530000

收稿日期:2021-04-11 修回日期:2021-04-20 出版日期:2021-04-28 发布日期:2021-07-07
作者简介:吴晓锐（1994）,男,广西桂平人,助理工程师,硕士研究生,从事电力系统运行与优化。15580801047,hiung@qq.com。龚文兰（1992）,女,广西陆川人,助理工程师,硕士研究生,从事电力电子技术。15073169307,1143652988@qq.com。吴宁（1991）,男,安徽黄山人,助理工程师,硕士研究生,从事电力电子技术。13005922398,13005922398@163.com。
基金资助:
基于分布式协同智能控制的微电网优化运行技术研究（GXKJXM20190612）

A Reserve Capacity Evaluation Method Considering Large-scale Wind Power Integration

WU Xiaorui, GONG Wenlan, WU Ning, CHEN Weidong, HAN Shuai

Electric Power Research Institute of Guangxi Power Grid Co., Ltd., Guangxi Nanning 530023, China

Received:2021-04-11 Revised:2021-04-20 Online:2021-04-28 Published:2021-07-07

摘要/Abstract

摘要： 风电作为清洁能源是减排的重要资源,其装机容量正在飞速发展。然而,由于风电固有的间歇性和波动性,大规模风电并网对电力系统的安全稳定运行带来了不确定因素。为了保证系统安全稳定运行,需要重新评估系统备用容量能否抵御风电功率随机性给系统带来的运行风险。因此,本文针对大规模风电接入后的电力系统备用容量评估方法进行研究,考虑了发电机组强迫停运概率、风电出力随机特性和可靠性指标,通过基于随机生产模拟的备用容量计算方法,建立备用容量与可靠性之间的关系;进一步建立了基于风电场等效多状态机组模型,对风电接入后系统所需的备用容量进行计算。通过对中国某实际区域电网的仿真计算验证了该方法的正确性和有效性。

关键词: 风力发电, 备用容量, 随机生产模拟, 电力系统可靠性

Abstract: As a clean energy source, wind power is an important resource for emission reduction, and the installed capacities are growing rapidly. However, due to the inherent intermittency and volatility of wind power, large-scale wind power integration has brought uncertainties to the secure and stable operation of power system, and it is necessary to re-evaluate whether the reserve capacity of the power system can withstand the operation risk brought by the randomness of wind power. In this paper, the power system reserve capacity evaluation method after the large-scale wind power integration is studied. The forced outage probability of generator units, the random characteristics of wind power output and the reliability index are considered, and the relationship between the reserve capacity and the reliability is established by the reserve capacity calculation method based on stochastic production simulation. An equivalent multi-state unit model is further established to calculate the reserve capacity required by the power system after wind power integration. The method is verified by the simulation calculation of an actual regional power grid in China.

Key words: wind power, reserve capacity, stochastic production simulation, power system reliability

中图分类号:

TK89

吴晓锐, 龚文兰, 吴宁, 陈卫东, 韩帅. 考虑大规模风电接入的电力系统备用容量评估方法[J]. 广西电力, 2021, 44(2): 27-32.

WU Xiaorui, GONG Wenlan, WU Ning, CHEN Weidong, HAN Shuai. A Reserve Capacity Evaluation Method Considering Large-scale Wind Power Integration[J]. Guangxi Electric Power, 2021, 44(2): 27-32.

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考虑大规模风电接入的电力系统备用容量评估方法

A Reserve Capacity Evaluation Method Considering Large-scale Wind Power Integration

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