基于限幅环节动作时间的直驱永磁风电场等值建模
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摘要
提出基于网侧控制器限幅环节动作时间分群的直驱永磁风电场动态等值建模新方法。分析了直驱永磁风电机组网侧控制器电流限幅环节动作特性的影响因素,指出网侧控制器限幅环节的动作特性主导了风电机组的动态。提出了基于稳态出力以及电压跌落程度的直驱永磁风电机组网侧控制器限幅环节动作时间的快速估算方法,进一步采用K-means方法将网侧控制器限幅环节动作时间相近的直驱永磁风电机组进行分群聚合。以某一风电场接入10机39节点系统为例,比较风电场分别采用详细模型和等值模型下的动态响应结果,以及风电场动态等值前后原系统的小干扰稳定性和暂态稳定性,证明了本文所提动态等值方法的有效性和可行性。
In this paper,a new dynamic clustering method for the DDPMSG-based wind farm is proposed based on the action time of current limiting component in the grid-side controller. Firstly,the affecting factors on the action time of current limiting component in grid-side controller are analyzed,and it is pointed out that the action time of limiting component dominates the dynamics of DDPMSG-based wind turbines. Secondly,the estimating method of limiting component action time is proposed based on the steady active power and the terminal voltage sag. Finally,the DDPMSG-based wind turbines are grouped based on the limiting component action time with K-means method.The 10-machine 39-node system integrated with a wind farm is used as the test system,and the dynamic responses of the wind farm based on its detailed model and the equivalent one are compared. Meanwhile,the small-signal stability and transient stability of the overall system are analyzed with detailed wind farm model and equivalent wind farm model. Compared result validates the clustering method proposed in this study.
In this paper,a new dynamic clustering method for the DDPMSG-based wind farm is proposed based on the action time of current limiting component in the grid-side controller. Firstly,the affecting factors on the action time of current limiting component in grid-side controller are analyzed,and it is pointed out that the action time of limiting component dominates the dynamics of DDPMSG-based wind turbines. Secondly,the estimating method of limiting component action time is proposed based on the steady active power and the terminal voltage sag. Finally,the DDPMSG-based wind turbines are grouped based on the limiting component action time with K-means method.The 10-machine 39-node system integrated with a wind farm is used as the test system,and the dynamic responses of the wind farm based on its detailed model and the equivalent one are compared. Meanwhile,the small-signal stability and transient stability of the overall system are analyzed with detailed wind farm model and equivalent wind farm model. Compared result validates the clustering method proposed in this study.
引文
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[14]高峰,赵东来,周孝信,等.直驱式风电机组风电场动态等值[J].电网技术,2012,36(12):222-227.(GAO Feng,ZHAO Donglai,ZHOU Xiaoxin,et al. Dynamic equivalence of DDPMSG-based wind farm[J]. Power System Technology,2012,36(12):222-227.(in Chinese))
[15]LI Weixing,CAO Pupu,LIANG Xiaodong,et al. A practical equivalent method for DFIG wind farm[J]. IEEE Transactions on Power Systems,2018,9(2):610-620.
[16]LI Weixing,CAO Pupu,LIANG Xiaodong,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.
[17]胡杰,余贻鑫.电力系统动态等值参数聚合的实用方法[J].电网技术,2006,30(24):26-30.(HU Jie,YU Yixin. A practical method of parameter aggregation for power system dynamic equivalence[J]. Power System Technology,2006,30(24):26-30.(in Chinese))
[18]张元,郝丽丽,戴嘉祺.风电场等值建模研究综述[J].电力系统保护与控制,2015,43(6):138-146.(ZHANG Yuan,HAO Lili,DAI Jiaqi. Overview of the equivalent model research for wind farms[J]. Power System Protection and Control,2015,43(6):138-146.(in Chinese))
[19]高远,金宇清,鞠平,等.考虑Crowbar动作特性的DFIG风电场动态等值研究[J].电网技术,2015,39(3):628-633.(GAO Yuan,JIN Yuqing,JU Ping,et al. Dynamic equivalence of wind farm composed of double fed induction generators considering operation characteristic of crowbar[J].Power System Technology,2015,39(3):628-633.(in Chinese))
[2]中华人民共和国国家发展和改革委员会.风电发展“十三五”规划[G].北京:中华人民共和国国家能源局,2016.
[3]鞠平,吴峰,金宇清,等.可再生能源发电系统建模与控制[M].北京:科学出版社,2014.
[4]徐天赐,吴峰,金宇清,等.基于非电气参数的风电场等效建模方法对比研究[J].可再生能源,2013,31(3):40-50.(XU Tianci,WU Feng,JIN Yuqing,et al. Comparative studies on equivalent modeling methods for wind farms based on non-electric parameters[J]. Renewable Energy Resources. 2013,31(3):40-50.(in Chinese))
[5]MENG Zhaojun,XUE Feng.An investigation of the equivalent wind method for the aggregation of DFIG wind turbines[C]//RAHMAN S. IEEE PES Conference of Asia-Pacific Power and Energy Engineering.Chengdu:China IEEE,2010:1-6.
[6]张洋溢.风电场动态等值建模方法研究[D].哈尔滨:哈尔滨工业大学,2015.
[7]LI Shenghu,LIU Zhengkai,JIA Yudong.Dynamic aggregation of doubly-fed induction generators(DFIGs)for stability analysis of wind power systems[C]//RAHMAN S. IEEE PES General Meeting. San Diego,USA:IEEE,2011:1-6.
[8] PLLER M,ACHILLES S.Aggregated wind park models for analyzing power system dynamics[C]//Anon. Proc International Workshop on Large Scale Integration of Wind Power&Transmission Networks for Offshore Wind Farms. Billund,Denmark:Energynautics,2003:20-21.
[9]CONROY J,WATSON R.Aggregate modelling of wind farms containing full-converter wind turbine generators with permanent magnet synchronous machines[J].Renewable Power Generation Letter,2009,3(1):39-52.
[10]陈树勇,王聪,申洪,等.基于聚类算法的风电场动态等值[J].中国电机工程学报,2012,32(4):11-19.(CHEN Shuyong,WANG Cong,SHEN Hong,et al. Dynamic equivalence for wind farms based on clustering algorithm[J]. Proceedings of the CSEE,2012,32(4):11-19.(in Chinese))
[11]徐玉琴,王娜.基于聚类分析的双馈机组风电场动态等值模型的研究[J].华北电力大学学报,2013,40(3):1-5.(XU Yuqin,WANG Na. Study on dynamic equivalence of wind farms with DFIG based on clustering analysis[J]. Journal of North China Electric Power University,2013,40(3):1-5.(in Chinese))
[12]米增强,苏勋文,余洋,等.双馈机组风电场动态等效模型研究[J].电力系统自动化,2010,34(17):72-77.(MI Zengqiang,SU Yunwen,YU Yang,et al. Study on dynamic equivalence model of wind farms with wind turbine driven doubly fed induction generator[J]. Automation of Electric Power System,2010,34(17):72-77.(in Chinese))
[13]苏勋文.风电场动态等值建模方法研究[D].北京:华北电力大学,2010.
[14]高峰,赵东来,周孝信,等.直驱式风电机组风电场动态等值[J].电网技术,2012,36(12):222-227.(GAO Feng,ZHAO Donglai,ZHOU Xiaoxin,et al. Dynamic equivalence of DDPMSG-based wind farm[J]. Power System Technology,2012,36(12):222-227.(in Chinese))
[15]LI Weixing,CAO Pupu,LIANG Xiaodong,et al. A practical equivalent method for DFIG wind farm[J]. IEEE Transactions on Power Systems,2018,9(2):610-620.
[16]LI Weixing,CAO Pupu,LIANG Xiaodong,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.
[17]胡杰,余贻鑫.电力系统动态等值参数聚合的实用方法[J].电网技术,2006,30(24):26-30.(HU Jie,YU Yixin. A practical method of parameter aggregation for power system dynamic equivalence[J]. Power System Technology,2006,30(24):26-30.(in Chinese))
[18]张元,郝丽丽,戴嘉祺.风电场等值建模研究综述[J].电力系统保护与控制,2015,43(6):138-146.(ZHANG Yuan,HAO Lili,DAI Jiaqi. Overview of the equivalent model research for wind farms[J]. Power System Protection and Control,2015,43(6):138-146.(in Chinese))
[19]高远,金宇清,鞠平,等.考虑Crowbar动作特性的DFIG风电场动态等值研究[J].电网技术,2015,39(3):628-633.(GAO Yuan,JIN Yuqing,JU Ping,et al. Dynamic equivalence of wind farm composed of double fed induction generators considering operation characteristic of crowbar[J].Power System Technology,2015,39(3):628-633.(in Chinese))