直驱风电场经VSC-HVDC并网的次同步振荡特性分析Subsynchronous Oscillation Characteristic Analysis of Grid-connected DDWFs Via VSC-HVDC System
邵冰冰;赵书强;裴继坤;李忍;宋斯珩;
摘要(Abstract):
针对直驱风电场经柔性直流输电(voltage source converter based high voltage direct current,VSC-HVDC)并网引发的次同步振荡(subsynchronous oscillation,SSO)问题,建立了并网系统的动态数学模型。利用特征值法分析了系统中存在的振荡模式,通过参与因子分析可知SSO模式是由直驱永磁风力发电系统和VSC-HVDC共同参与的,分析了直驱永磁风力发电系统直流侧电容、VSC-HVDC交流侧相电抗器、VSC-HVDC直流侧电容和电抗、风电场并网阻抗X/R的大小、等值风机台数对SSO阻尼特性和频率特性的影响。同时,建立了聚合等值风电场经VSC-HVDC并网的动态模型,利用特征值法分析了风电场的聚合特性对系统稳定性的影响。此外,将VSC-HVDC的接入分成源-网-控3部分,在3种不同的运行场景下利用特征值法分析得出VSCHVDC的控制特性和交流侧网络特性对系统SSO特性的影响。通过在PSCAD/EMTDC中搭建了直驱风电场经VSCHVDC并网的仿真模型,验证了理论分析的正确性。
关键词(KeyWords): 直驱风电场;柔性直流输电;次同步振荡;特征值法;聚合特性;源-网-控
基金项目(Foundation): 河北省自然科学基金项目(E2017502075);; 中央高校基本科研业务费专项资金资助(2018QN079)~~
作者(Author): 邵冰冰;赵书强;裴继坤;李忍;宋斯珩;
Email:
DOI: 10.13335/j.1000-3673.pst.2018.2567
参考文献(References):
- [1]2017年中国风电吊装容量统计简报[J].风能产业,2018(4):12.
- [2]王锡凡,卫晓辉,宁联辉,等.海上风电并网与输送方案比较[J].中国电机工程学报,2014,34(31):5459-5466.Wang Xifan,Wei Xiaohui,Ning Liangeng,et al.Integration techniques and transmission schemes for off-shore wind farms[J].Proceedings of the CSEE,2014,34(31):5459-5466(in Chinese).
- [3]刘天琪,陶艳,李保宏.风电场经MMC-MTDC系统并网的几个关键问题[J].电网技术,2017,41(10):3251-3260.Liu Tianqi,Tao Qian,Li Baohong.Critical problems of wind farm integration via MMC-MTDC system[J].Power System Technology,2017,41(10):3251-3260(in Chinese).
- [4]李道洋,姚为正,吴金龙,等.应用于海上风电场柔性直流接入系统的直流故障穿越协同控制策略[J].电网技术,2016,40(1):47-54.Li Daoyang,Yao Weizheng,Wu Jinlong,et al.Coordinated DC fault ride-through control strategy for offshore wind farm interconnection with flexible HVDC[J].Power System Technology,2016,40(1):47-54(in Chinese).
- [5]刘军,周飞航,赵晨聪,等.基于鲁棒变结构的直驱风电机组单位功率因数控制[J].电网技术,2018,42(2):524-533.Liu Jun,Zhou Feihang,Zhao Chencong,et al.Unit power factor control of direct-drive permanent magnet synchronous wind turbine based on robust variable structure[J].Power System Technology,2018,42(2):524-533(in Chinese).
- [6]赵岩,郑斌毅,贺之渊.南汇柔性直流输电示范工程的控制方式和运行性能[J].南方电网技术,2012,6(6):6-10.Zhao Yan,Zheng Binyi,He Zhiyuan.The control mode and operating performance of Nanhui VSC-HVDC demonstration project[J].Southern Power System Technology,2012,6(6):6-10(in Chinese).
- [7]魏伟,许树楷,李岩,等.南澳多端柔性直流输电示范工程系统调试[J].南方电网技术,2015,9(1):73-77.Wei Wei,Xu Shukai,Li Yan,et al.The system commissioning of Nan’ao VSC-MTDC demonstration project[J].Southern Power System Technology,2015,9(1):73-77(in Chinese).
- [8]凌卫家,孙维真,张静,等.舟山多端柔性直流输电示范工程典型运行方式分析[J].电网技术,2016,40(6):1751-1758.Ling Weijia,Sun Weizhen,Zhang Jing,et al.Analysis of typical operating modes of Zhoushan multi-terminal VSC-HVDC pilot project[J].Power System Technology,2016,40(6):1751-1758(in Chinese).
- [9]王渝红,阳莉汶,江伟,等.直流电网联网设备与控制策略研究综述[J].电网技术,2018,42(1):12-24.Wang Yuhong,Yang Liwen,Jiang Wei,et al.Review on equipment and control strategies of DC power grid[J].Power System Technology,2018,42(1):12-24(in Chinese).
- [10]吕敬,董鹏,施刚,等.大型双馈风电场经MMC-HVDC并网的次同步振荡及其抑制[J].中国电机工程学报,2015,35(19):4852-4860.LüJing,Dong Peng,Shi Gang,et al.Sub-synchronous oscillation and its mitigation of MMC-based HVDC with large doubly-fed induction generator-based wind farm integration[J].Proceedings of the CSEE,2015,35(19):4852-4860(in Chinese).
- [11]Buchhagen C,Rauscher C,Menze A,et al.BorWin1-first experiences with harmonic interactions in converter dominated grids[C]//International ETG Congress 2015;Die EnergiewendeBlueprints for the new energy age;Proceedings of.VDE,2016:1-7.
- [12]吕敬,蔡旭,张占奎,等.海上风电场经MMC-HVDC并网的阻抗建模及稳定性分析[J].中国电机工程学报,2016,36(14):3771-3781.LüJing,Cai Xu,Zhang Zhankui,et al.Impedance modeling and stability analysis of MMC-based HVDC for offshore wind farms[J].Proceedings of the CSEE,2016,36(14):3771-3781(in Chinese).
- [13]Jing L,Xu C,Molinas M.Frequency domain stability analysis of MMC-based HVDC for wind farm integration[J].IEEE Journal of Emerging&Selected Topics in Power Electronics,2016,4(1):141-151.
- [14]Jing L,Xu C.Impact of controller parameters on stability of MMC-based HVDC systems for offshore wind farms[C]//International Conference on Renewable Power Generation.IET,Beijing,2016:6-6.
- [15]Jing L,Xu C,Molinas M.Optimal design of controller parameters for improving the stability of MMC-HVDC for wind farm integration[J].IEEE Journal of Emerging&Selected Topics in Power Electronics,2018,6(1):40-53.
- [16]吕敬,蔡旭.提高风场柔直并网系统稳定性的控制器参数优化设计[J].中国电机工程学报,2018,38(2):431-443+674.LüJing,Cai Xü.Controller parameters optimization design for enhancing the stability of wind farm with VSC-HVDC system[J].Proceedings of the CSEE,2018,38(2):431-443+674(in Chinese).
- [17]Amin M,Molinas M,Jing L.Oscillatory phenomena between wind farms and HVDC systems:The impact of control[C]//Control and Modeling for Power Electronics.IEEE,Vancouver,BC,2015:1-8.
- [18]Jing L,Molinas M,Xu C.Stabilization control methods for enhancing the stability of wind farm integration via an MMC-based HVDCsystem[C]//IEEE International Conference on Compatibility,Power Electronics and Power Engineering.IEEE,Cadiz,2017:324-329.
- [19]Jing L,Xu C,Amin M,et al.Sub-synchronous oscillation mechanism and its suppression in MMC-based HVDC connected wind farms[J].IET Generation Transmission&Distribution,2018,12(4):1021-1029.
- [20]Amin M,Molinas M.Understanding the origin of oscillatory phenomena observed between wind farms and HVDC systems[J].IEEE Journal of Emerging&Selected Topics in Power Electronics,2017,5(1):378-392.
- [21]Liu H,Sun J.Voltage stability and control of offshore wind farms with AC collection and HVDC transmission[J].IEEE Journal of Emerging&Selected Topics in Power Electronics,2017,2(4):1181-1189.
- [22]Amin M,Molinas M.A grey-box method for stability and controller parameter estimation in HVDC-connected wind farms based on non-parametric impedance[J].IEEE Transactions on Industrial Electronics,2019,66(3):1872-1882.
- [23]Amin M,Rygg A,Molinas M.Self-synchronization of wind farm in an MMC-based HVDC system:a stability investigation[J].IEEETransactions on Energy Conversion,2017,32(2):458-470.
- [24]吕敬,蔡旭.风电场柔性直流并网系统镇定器的频域分析与设计[J].中国电机工程学报,2018,38(14):4074-4085+4313.LüJing,Cai Xu.Frequency-domain analysis and design of stabilization controllers for wind farm integration through VSC-HVDC system[J].Proceedings of the CSEE,2018,38(14):4074-4085+4313(in Chinese).
- [25]陈宝平,林涛,陈汝斯,等.采用VSC-HVDC并网的直驱风电场次/超同步振荡特性分析[J].电力系统自动化,2018,42(22):44-59.Chen Baoping,Lin Tao,Chen Rusi,et al.Analysis on characteristics of sub/super-synchronous oscillation caused by grid-connected direct-drive wind farm via VSC-HVDC system[J].Automation of Electric Power Systems2018,42(22):44-59(in Chinese).
- [26]Li W,Chun Y,Prokhorov A V.Stability analysis of a microgrid system with a hybrid offshore wind and ocean energy farm fed to a power grid through an HVDC link[C]//Industry Applications Society Meeting.IEEE,Cincinnati,OH,2017:1-9.
- [27]高澈,牛东晓,罗超,等.双馈风电场单机与多机等值模型对次同步振荡特性影响的对比[J].电力自动化设备,2018(8):1-5.Gao Che,Niu Dongxiao,Luo Chao,et al.Comparison of impact on sub-synchronous oscillation characteristics between single-and multigenerator equivalent model in DFIG wind farm[J].Electric Power Automation Equipment,2018(8):1-5(in Chinese).
- [28]黄守道,高剑,罗德荣,等.直驱永磁风力发电机设计及并网控制[M].北京:电子工业出版社,2014.
- [29]杨晓波,岳程燕,谢海莲.用于电磁暂态仿真分析的永磁同步发电机风电场模型聚合方法[J].电网技术,2011,35(2):115-120.Yang Xiaobo,Yue Chengyan,Xie Hailian.An aggregation method of permanent magnet synchronous generators wind farm model for electromagnetic transient simulation analysis[J].Power System Technology,2011,35(2):115-120(in Chinese).
- [30]孙焜,姚伟,文劲宇.双馈风电场经柔直并网系统次同步振荡机理及特性分析[J].中国电机工程学报,2018,38(22):6520-6533.Sun Kun,Yao Wei,Wen Jinyu.Mechanism and characteristics analysis of subsynchronous oscillation caused by DFIG-based wind farm integrated into grid through VSC-HVDC system[J].Proceedings of the CSEE,2018,38(22):6250-6533(in Chinese).
- [31]陈晨,杜文娟,王海风.风电场接入引发电力系统次同步振荡机理综述[J].南方电网技术,2018,12(1):84-93.Chen Chen,Du Wenjuan,Wang Haifeng.Review on mechanism of sub-synchronous oscillations caused by grid-connected wind farms in power systems[J].Southern Power System Technology,2018,12(1):84-93(in Chinese).