2024 06 14-25
适用于次同步振荡分析的直驱风电场聚合模型
基金项目(Foundation):
国网内蒙古东部电力有限公司经济技术研究院群众创新项目“国网蒙东经研院2023年以惯性支撑为目标的新能源附加储能规划技术服务”
邮箱(Email):
DOI:
10.19929/j.cnki.nmgdljs.2024.0075
中文作者单位:
国网内蒙古东部电力有限公司经济技术研究院,呼和浩特 010020
摘要(Abstract):
针对直驱风电场并网的次同步振荡问题,采用K-Means分群方法按机组动态输出特性分群,经集电网络变换及机组参数聚合后,构建直驱风电场等值模型。基于EMTDC/PSCAD中时域仿真模型和MATALAB/Simulink中线性化模型,验证聚合模型在次同步振荡场景下的有效性,为次同步振荡特性分析提供模型基础。最后基于特征值分析法分析直驱风电场接入弱电网的次同步振荡特性,以及风电场运行工况、联网规模、电流内环控制参数和电网强度等因素对次同步振荡特性的影响,并确定d轴电流内环控制参数为直驱风电场次同步振荡的主导因素。
关键词(KeyWords):
直驱风电场;次同步振荡;聚合建模;电网强度;短路比
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参考文献
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[2] 郭琪,温雪娇.大规模风电场接入对内蒙古电网动态稳定特性影响分析[J].内蒙古电力技术,2022,40(1):4. GUO Qi, WEN Xuejiao. Impact Analysis of Large-Scale Wind Power Integration on Dynamic Stability Characteristics of Inner Mongolia Power Grid[J]. Inner Mongolia Electric Power, 2022, 40(1): 4.
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[4] Fan L, Miao Z. Wind in Weak Grids: 4 Hz or 30 Hz Oscillations [J]. IEEE Transactions on Power Systems, 2018, 33(5): 5803-5804.
[5] 王伟胜,张冲,何国庆,等.大规模风电场并网系统次同步振荡研究综述[J].电网技术,2017,41(4):1050-1060. 详细模型的有功功率波形基本一致,误差率小于0.07%;二者的平均欧氏距离小于0.01,准确性较好, 且聚合模型很大程度上优于单机等值模型。 (2) 电流内环控制参数为直驱风电场次同步振荡主导影响因素,随着运行工况的降低(v=8.5 m/s→ 4 m/s),联网规模的增加(n=300→700),电流内环控制参数减小(Kp=0.38→0.2),电网强度降低(SCR= 3.4→1.3),弱化了系统阻尼,系统易发生次同步振荡现象。 随着内蒙古沙漠、戈壁、荒漠地区大型风电光伏基地的建设,下一步应考虑基于蒙西沙戈荒地区实测参数的风电场经柔性直流输电送出场景下的次同步振荡分析。 WANG Weisheng, ZHANG Chong, HE Guoqing, et al. Dynamic Equivalent Model of a Grid-connected Wind Farm for Oscillation Stability Analysis[J]. Power System Technology, 2017, 41(4): 1050-1060.
[6] 张天翼,王海风.风电并入弱交流系统引发次同步振荡的研究方法综述[J].电力系统保护与控制,2021,49(16):177-187. ZHANG Tianyi, WANG Haifeng. Research methods for subsynchronous oscillation induced by wind power under weak AC system: a review[J]. Power System Protection and Control, 2021, 49(16): 177-187.
[7] 董文凯,杜文娟,王海风.用于振荡稳定性分析的并网风电场动态模型研究.中国电机工程学报,2021,41(1):75-87,399. DONG Wenkai, DU Wenjuan, WANG Haifeng. Dynamic Equivalent Model of a Grid-connected Wind Farm for Oscillation Stability Analysis[J]. Proceedings of the CSEE, 2021,41(1): 75-87, 399.
[8] 董文凯,王洋,王海风.用于小信号稳定性分析的风电机群单机等值模型[J].电网技术,2021,45(4):9. DONG Wenkai, WANG Yang, WANG Haifeng. Single-machine Equivalent Model of a Group of Wind Turbine Generators for Small-signal Stability Analysis[J]. Power System Technology, 2021, 45(4): 9.
[9] Li W, Chao P, Liang X, et al. An improved single-machine equivalent method of wind power plants by calibrating power recovery behaviors[J]. IEEE Transactions on Power Systems. 2018, 33(4): 4371-4381.
[10] 鲁玉普,解大,孙俊博,等.双馈风电场的轴系扭振特性与等值建模[J].太阳能学报,2017,38(5):1383-1390. LU Yupu, XIE Da, SUN Junbo, et al. Torsion vibration analysis and equivalent model of wind farm[J]. Acta Energiae Solaris Sinica, 2017, 38(5): 1383-1390.
[11] Iravani M R. Torsional oscillations of unequally loaded parallel idencital turbine generators[J]. IEEE Transactions on power systems, 1989, 4(4): 1514-1524.
[12] 杨帆,王西田,徐英会,等.同型多机电力系统间扭振相互作用的等效简化研究[J].中国电机工程学报,2006,26(5):6-11. YANG Fan, WANG Xitian, XU Yinghui, et al. Equivalent Simplification of Torsional Interaction in Identical Multi-machine Power Systems[J]. Proceedings of the CSEE, 2006, 26(5): 6-11.
[13] 米增强,苏勋文,杨奇逊,等.风电场动态等值模型的多机表征方法[J].电工技术学报,2010,25(5):162-169. MI Zengqiang, SU Xunwen, YANG Qixun, et al. Multi-Machine Representation Method for Dynamic Equivalent Model of Wind Farms[J]. Transactions of China Electrotechnical Society, 2010, 25(5): 162-169.
[14] 夏安俊,鲁宗相,闵勇,等.双馈异步发电机风电场聚合模型研究[J].电网技术,2015,39(7):1879-1885. XIA Anjun, LU Zongxiang, MIN Yong, et al. An Aggregated Model of Wind Farm Composed of Doubly Fed Induction Generators[J]. Power System Technology, 2015, 39(7): 1879-1885.
[15] 滕卫军,王锡凡,石文辉.大型风电场动态等值的改进支持向量聚类算法[J].西安交通大学学报,2015,49(5):94-99,115. TENG Weijun, WANG Xifan, SHI Wenhui. An Improved Support Vector Clustering Algorithm for the Dynamic Equivalence of Large Wind Farms[J]. Journal of Xi'an Jiaotong University, 2015, 49(5): 94-99, 115.
[16] 贾祺,严干贵,李泳霖,等.多光伏发电单元并联接入弱交流系统的稳定性分析[J].电力系统自动化,2018,42(3):14-20. JIA Qi, YAN Gangui, LI Yonglin, et al. Stability Analysis of Multiple Parallelled Photovoltaic Power Generation Units Connected to Weak AC System[J]. Automation of Electric Power Systems, 2018, 42(3): 14-20.
[17] 胡宏彬,丛雨,翟寅,等.1.5 MW永磁直驱式风电机组控制系统仿真分析[J].内蒙古电力技术,2020,38(4):32-36. HU Hongbin, CONG Yu, ZHAI Yin, et al. Simulation Analysis of Control System for 1.5 MW Permanent Magnet Direct Drive Wind Turbine[J]. Inner Mongolia Electric Power, 2020, 38(4): 32-36.
[18] 郑博文,杨朋威,任正,等.大规模风火电源打捆的特高压交直流混联外送系统运行特性分析[J].内蒙古电力技术,2022,40(1): 19-24. ZHENG Bowen, YANG Pengwei, REN Zheng, et al. Analysis on Operation Characteristics of Large Scale Wind Thermal Bundled UHV AC-DC Hybrid External Transmission System [J]. Inner Mongolia Electric Power, 2022, 40(1): 19-24.
[19] 徐万万,彭志鹏,刘江,等.基于阻抗比参数自适应的直驱风机次同步振荡抑制策略[J].控制工程,2023,30(7):1163-1170. XU Wanwan, PENG Zhipengcheng, LIU Jiang, et al. Sub-synchronous Oscillation Mitigation Strategy Based on Adaptive Adjustment of Parameters with Impedance Ratio for Direct-drive Wind Turbines[J]. Control Engineering of China, 2023, 30(7): 1163-1170.
[20] 高本锋,邓鹏程,孙大卫,等.基于匹配控制的构网型直驱风电场次同步振荡机理与特性研究[J].电工技术学报,2024,39(9): 2755-2770. GAO Benfeng, DENG Pengcheng, SUN Dawei, et al. Mechanism and Characteristics of Subsynchronous Oscillation of Grid-Forming Direct-Drive Wind Farm Based on Matching Control[J]. Transactions of China Electrotechnical Society, 2024, 39(9): 2755-2770.
[21] 程启明,周伟成,程尹曼,等.基于线性自抗扰控制的双馈风机次同步振荡抑制研究[J].电力建设,2024,45(4):134-146. CHENG Qiming, ZHOU Weicheng, CHEN Yinman, et al. Research on Suppressing Sub-synchronous Oscillation of Doubly-fed Induction Generator Based on Linear Active Disturbance Rejection Control[J]. Electric Power Construction, 2024, 45(4): 134-146.
[22] 范丽霞,蔡瑞强,张欢畅,等.电压型虚拟同步发电机控制策略下的双馈风电机组阻抗及次同步振荡特性[J].发电技术,2019,40(5):434-439. FAN Lixia, CAI Ruiqiang, ZHANG Huanchang, et al. Impedance and Sub-synchronous Oscillation Characteristics of Doubly-fed Induction Generators with Control Strategy of Voltage Virtual Synchronous Generator[J]. Power Generation Technology, 2019, 40(5): 434-439.
[23] 张忠华,那广宇,胡杰.辽宁电网系统保护构建探讨[J].东北电力技术,2019,40(2):45-47,51. ZHANG Zhonghua, NA Guangyu, HU Jie. Discussion on System Protection Construction of Liaoning Power Grid[J]. Northeast Electric Power Technology, 2019, 40(2): 45-47, 51.
[24] 田军,张闻一,王玉鹏,等.风电并网系统次同步振荡建模与分析[J].分布式能源,2018,3(5):22-27. TIAN Jun, ZHANG Wenyi, WANG Yupeng, et al. Modeling and Analysis of Sub-Synchronous Oscillation in Wind Power Grid Connection System[J]. Distributed Energy, 2018, 3(5): 22- 27.
[25] 沈墨涵,严干贵,贾祺.基于阻抗法的风火打捆串补系统次同步振荡分析[J].东北电力大学学报,2022,42(6):72-82. SHEN Mohan, YAN Gangui, JIA Qi. Analysis of Subsynchronous Oscillation in Wind-Thermal Bundled System Integrated to Series Compensation Based on Impedance Method[J]. Journal of Northeast Dianli University(Natural Science Edition), 2022, 42(6): 72-82.
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基本信息:
DOI:10.19929/j.cnki.nmgdljs.2024.0075
中图分类号:
引用信息:
[1]胡文波,康赫然,刘宏扬.适用于次同步振荡分析的直驱风电场聚合模型[J],2024,42(06):14-25.DOI:10.19929/j.cnki.nmgdljs.2024.0075.
基金信息:
国网内蒙古东部电力有限公司经济技术研究院群众创新项目“国网蒙东经研院2023年以惯性支撑为目标的新能源附加储能规划技术服务”
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