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促进调峰的大规模风电调频备用容量动态配置策略
作者:
作者单位:

1.三峡大学电气与新能源学院,湖北省宜昌市 443002;2.梯级水电站运行与控制湖北省重点实验室(三峡大学),湖北省宜昌市 443002

摘要:

针对当前风电调频备用容量长期闲置、未充分服务于电网运行的问题,深化研究大规模风电调频备用容量优化配置方法,对于保障电网调频能力、提升风力发电经济性、促进电网调峰方面均具有重要影响。基于此,研究大规模风电参与一次调频的备用容量优化配置策略。根据日负荷预测曲线,在波峰时段设置较大调频基点功率、波谷时段设置较小基点功率,其他时段按照与波峰负荷比例设置基点功率,从而可在一日各时段配置风电调频动态备用容量;根据确定的各时段动态备用容量,求解基于转速控制或桨距控制一次调频策略的参考转速和参考桨距角,使风电机组在任意风速下(额定风速以上/下)动态调整一次调频备用容量。算例分析结果表明,在大规模风电并网场景中,所提策略不仅能保证电网调频需求,还能有效促进削峰填谷效果和提高风力发电经济性。

关键词:

基金项目:

国家自然科学基金资助项目(51907104);湖北省自然科学基金资助项目(2019CFB207)。

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作者简介:


Dynamic Configuration Strategy for Frequency Regulation Reserve Capacity of Large-scale Wind Power for Promoting Peak Load Regulation
Author:
Affiliation:

1.College of Electrical Engineering and New Energy, China Three Gorges University, Yichang 443002, China;2.Hubei Provincial Key Laboratory for Operation and Control of Cascaded Hydropower Station (China Three Gorges University), Yichang 443002, China

Abstract:

In view of the problem that the frequency regulation reserve capacity of wind power is idle for a long time and does not fully serve the power grid operation, the in-depth study on the optimal configuration method for the frequency regulation reserve capacity of large-scale wind power has important impact on ensuring the power grid frequency regulation ability, improving the economy of wind power generation and promoting the peak regulation of power grid. Based on this, the optimal configuration strategy for the reserve capacity of large-scale wind power participating in the primary frequency regulation is studied. According to the forecasted daily load curve, by setting a larger frequency regulation base point power in the peak period, smaller base point power in the valley period, and base point power in other periods in proportion to the peak load, the dynamic reserve capacity of wind power frequency regulation can be configured in each period of one day. According to the determined dynamic reserve capacity in each period, the reference speed and reference pitch angle are solved based on the primary frequency regulation strategy of speed control or pitch control, so that the wind turbine unit can dynamically adjust the reserve capacity of primary frequency regulation at any wind speed (greater or lower than the rated wind speed). The results show that the proposed strategy can not only meet the demand of grid frequency regulation, but also effectively promote the effect of peak shaving and valley filling and improve the economy of wind power generation in the scenario of large-scale wind power integration.

Keywords:

Foundation:
This work is supported by National Natural Science Foundation of China (No. 51907104) and Hubei Provincial Natural Science Foundation of China (No. 2019CFB207).
引用本文
[1]李世春,涂杰,舒征宇,等.促进调峰的大规模风电调频备用容量动态配置策略[J/OL].电力系统自动化,http://doi. org/10.7500/AEPS20200313007.
LI Shichun, TU Jie, SHU Zhengyu, et al. Dynamic Configuration Strategy for Frequency Regulation Reserve Capacity of Large-scale Wind Power for Promoting Peak Load Regulation[J/OL]. Automation of Electric Power Systems, http://doi. org/10.7500/AEPS20200313007.
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  • 收稿日期:2020-03-13
  • 最后修改日期:2020-10-11
  • 录用日期:2020-09-07
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