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期刊号: CN32-1800/TM| ISSN2097-6623

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考虑减载比例差异的风电场调频能力量化评估的研究

来源:电工电气发布时间:2026-02-26 15:26 浏览次数:9

考虑减载比例差异的风电场调频能力量化评估的研究

陈云龙1,聂雅楠2,彭民1,赵俊渊1,郑则诚1
(1 国网浙江省电力有限公司台州供电公司,浙江 台州 318000;
2 国网浙江省电力有限公司台州市椒江区供电公司,浙江 台州 318000)
 
    摘 要:由于大量风电并网,需采取有效控制措施使风机能够响应系统频率变化,而合理调配风电场中各状态风机以保证调频效果的同时充分挖掘风电场调频能力是当前亟需解决的问题。在单机调频控制方法的基础上,考虑了不同风机运行工况的差别,提出了一种考虑减载比例差异的风电场调频能力量化评估方法。建立了风速、风电场减载总功率与单个风机减载功率的量化解析表达式,并采用能量转换原理推导出各风速工况下风电机组的转子动能,充分挖掘风电场的调频能力。通过构建由双馈感应风电机组组成的风电场作为仿真案例进行分析论证,实验结果验证了所提方法的有效性。
    关键词: 风电场;减载比例差异;调频能力;双馈感应风电机组
    中图分类号:TM614 ;TM761+.2     文献标识码:A     文章编号:2097-6623(2026)02-0023-06
 
Research on Quantitative Evaluation of Frequency Modulation Capability of
Wind Farms Considering Differences in Load Reduction Ratios
 
CHEN Yun-long1, NIE Ya-nan2, PENG Min1, ZHAO Jun-yuan1, ZHENG Ze-cheng1
(1 State Grid Zhejiang Electric Power Co., Ltd. Taizhou Power Supply Company, Taizhou 318000, China;
2 State Grid Zhejiang Electric Power Co., Ltd. Taizhou Jiaojiang Power Supply Company, Taizhou 318000, China)
 
    Abstract: With the large-scale grid integration of wind power, it is necessary to adopt effective control measures to enable wind turbines to respond to system frequency variations. However, rationally dispatching wind turbines in different operating states within a wind farm to ensure the frequency modulation effect while fully tapping the frequency modulation capability of the wind farm has become an urgent problem to be solved at present. Based on the frequency modulation control method for a single turbine and considering the differences in the operating conditions of various wind turbines, a quantitative evaluation method for the frequency modulation capability of wind farms accounting for the differences in load reduction ratios is proposed.Quantitative analytical expressions for wind speed, the total load reduction power of the wind farm and the load reduction power of a single turbine are established, and the rotor kinetic energy of wind turbine units under various wind speed conditions is derived by adopting the energy conversion principle,thus fully exploiting the frequency modulation capability of the wind farm. A wind farm composed of doubly fed induction wind turbine units is constructed as a simulation case for analysis and verification, and the experimental results validate the effectiveness of the proposed method.
    Key words: wind farm; load reduction ratio difference; frequency modulation capability; doubly fed induction wind turbine unit
 
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