基于风电功率预测的电网静态调峰能力极限研究

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摘要

电网调峰问题是限制我国大规模风电并网的主要问题之一, 掌握现有电网的调峰能力极限是解决这个问题的一个关键环节。目前, 针对我国电网特点的调峰能力计算都没有考虑风电功率预测对电网调峰模型的影响, 而直接采用数值仿真法又比较繁琐。为此, 文中提出一种静态优化方法计算电网的调峰能力极限, 该方法不仅能够快速简便地得到比较准确的结果, 还可以和数值仿真法配合使用, 提高仿真法的实用性。算例研究验证了模型的正确性。

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	杨宏
	苑津莎
	吴立增

关键词 ：风电功率预测, 调峰能力极限, 数值仿真法, 静态优化方法

Abstract：

Peak load regulation is one of the main problems that are holding back China's power grid being connected with large-scale wind farms. The research of regulation capacity limit of conventional generating units is a prerequisite to solve the problem. At present, all of researches are not suitable for the future of wind power technology development because these don’t consider the impact of wind power forecasting. Numerical simulation method is too hard to practical. This paper gives a static optimization method to calculate limit of regulation capacity. This method is not only able to obtain satisfactory results, and can also be used to improve the usefulness of the simulation method. Examples study to show the correctness of the proposed model and summarize some interesting conclusions.

Key words： Wind power prediction regulation capacity limit numerical simulation method static optimization method

收稿日期: 2013-06-13 出版日期: 2014-06-27

基金资助:

中央高校基本科研业务费专项资金资助项目(2014MS101)

作者简介: 杨宏, 男, 1969年生, 博士研究生, 讲师, 研究方向为风电功率预测、有功优化及储能控制; 苑津莎, 男, 1957年生, 博士生导师, 教授, 研究方向智能电网、电力信息分析与处理。

引用本文:

杨宏, 苑津莎, 吴立增. 基于风电功率预测的电网静态调峰能力极限研究[J]. 电工技术学报, 2014, 29(4): 266-273. Yang Hong, Yuan Jinsha, Wu Lizeng. Research of Static Regulation Capacity Limit Based on Wind Power Prediction. Transactions of China Electrotechnical Society, 2014, 29(4): 266-273.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2014/V29/I4/266

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