基于D-PMSG的风火打捆直流外送系统送端功角暂态稳定性研究
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摘要
风火打捆直流外送是解决能源丰富基地电力消纳问题及负荷中心能源短缺问题的主要方案。随着直驱永磁风电机组并网容量的不断增大,研究基于直驱永磁风力发电机(D-PMSG)的风火打捆系统送端功角暂态稳定性的意义重大。文章通过扩展等面积准则(EEAC)研究了由D-PMSG构成的风电场与附近火电厂打捆并经直流线路外送系统的送端功角暂态稳定性。当风火打捆系统中D-PMSG输入的功率由受扰严重群减机械功率来平衡的情况下,系统遭受大扰动时,其功角暂态稳定性比纯火电系统的好,且输电方式为直流线路时系统送端功角暂态稳定性比交流输电方式的好。仿真结果与理论分析结果一致,由此可知,由D-PMSG构成的风电场与附近火电厂打捆,经直流线路外送的方案可以提高系统的功角暂态稳定性。
The scheme of wind-thermal-bundled power transmitted by DC system is the main solution to the problem that power consumptive of energy rich base and energy shortage of load center. With the increasing capacity of direct-driven permanent magnet synchronous wind power generator( D-PMSG),it is of great significance to study the sending-end angle transient stability of wind-thermal-bundled power system based on D-PMSG. This paper studied the sending-end angle transient stability of wind-thermal-bundled power based on D-PMSG transmitted by DC system through the extended equal area criterion( EEAC). When the power system under the situation that wind power input of D-PMSG was balanced by severely disturbed group reduced their mechanical power,and the system suffered large disturbances,the angle transient stability of wind-thermal-bundled system performed better than pure thermal power system,and angle transient stability will be better when the power transmitted by DC system. The simulation results are in agreement with the theoretical analysis,in light of this,the scheme of the wind-thermal-bundled power based on D-PMSG transmitted by DC system can improve angle transient stability of power system.
The scheme of wind-thermal-bundled power transmitted by DC system is the main solution to the problem that power consumptive of energy rich base and energy shortage of load center. With the increasing capacity of direct-driven permanent magnet synchronous wind power generator( D-PMSG),it is of great significance to study the sending-end angle transient stability of wind-thermal-bundled power system based on D-PMSG. This paper studied the sending-end angle transient stability of wind-thermal-bundled power based on D-PMSG transmitted by DC system through the extended equal area criterion( EEAC). When the power system under the situation that wind power input of D-PMSG was balanced by severely disturbed group reduced their mechanical power,and the system suffered large disturbances,the angle transient stability of wind-thermal-bundled system performed better than pure thermal power system,and angle transient stability will be better when the power transmitted by DC system. The simulation results are in agreement with the theoretical analysis,in light of this,the scheme of the wind-thermal-bundled power based on D-PMSG transmitted by DC system can improve angle transient stability of power system.
引文
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[17]赛亚勒·阿布都力江,王海云,等.基于储能装置的风火打捆直流输电系统稳定性研究[J].可再生能源,2016,34(2):203-207.Sai Yale·Abudulijiang,Wang Haiyun,et al. Study on transient stability of wind-thermal power HVDC transmission system based on SMES[J]. Renewable Energy Resources,2016,34(2):203-207.
[18]武家辉,王海云,王维庆,等.混合三端直流输电系统在风火打捆并网中的应用及其控制策略[J].电力系统保护与控制,2016,44(2):49-55.Wu Jiahui,Wang Haiyun,Wang Weiqing,et al. A bundling system of wind-coal power plants and its control strategies based on hybrid MTDC transmissions[J]. Power System Protection and Control,2016,44(2):49-55.
[2]李晨,蒋德珑,程生安.电力系统暂态稳定分析方法的现状与发展[J].现代电子技术,2012,35(16):89-94.Li Chen,Jiang Delong,Chen Shengan. Current Situation and Development of Analysis Methods of Power System Transient Stability[J]. Modern Electronics Technique,2012,35(16):89-94.
[3]王清,薛安成,郑元杰,等.双馈型风电集中接入对暂态功角稳定的影响分析[J].电网技术,2016,40(3):875-881.Wang Qing,Xue Ancheng,Zheng Yuanjie,et al. Impact of DFIGBased Wind Power Integration on the Transient Stability of Power Systems[J]. Power System Technology,2016,40(3):875-881.
[4]于强,孙华东,汤涌,等.双馈风电机组接入对电力系统功角稳定性的影响[J].电网技术,2013,37(12):3399-3405.Yu Qiang,Sun Huadong,Tang Yong,et al. Impact on Angle Stability of Power System with Doubly Fed Induction Generators Connected to Grid[J]. Power System Technology,2013,37(12):3399-3405.
[5]李生福,张爱玲,李少华,等.“风火打捆”交直流外送系统的暂态稳定控制研究[J].电力系统保护与控制,2015,43(1):108-114.Li Shengfu,Zhang Ailing,Li Shaohua,et al. Study on transient stability control for wind-thermal-bundled power transmitted by AC/DC system[J]. Power System Protection and Control,2015,43(1):108-114.
[6]赵祥,张师,周毅博,等.风火打捆交直流混联送端系统暂态稳定性分析[J].智能电网,2015,3(7):594-602.Zhao Xiang,Zhang Shi,Zhou Yibo,et al. Analysis on Transient Stability for Wind-thermal-bundled Power Transmitted by AC/DC System[J].Smart Grid,2015,3(7):594-602.
[7]罗煦之,易俊,等.结合DFIG功率特性研究风电并网对系统功角稳定性的影响[J].电网技术,2015,39(12):3401-3407.Luo Xuzhi,Yi Jun,et al. Research on Influence of Integrated Wind Plants on Power Angle Stability Based on Output Characteristic of DFIG[J]. Power System Technology,2015,39(12):3401-3407.
[8]林俐,杨以涵.基于扩展等面积定则的含大规模风电场电力系统暂态稳定性分析[J].电力系统保护与控制,2012,40(12):105-110.Lin Li,Yang Yihan. Analysis of transient stability of power system including large scale wind power based on the extended equal area rule[J]. Power System Protection and Control,2012,40(12):105-110.
[9]汤奕,赵丽莉,郭小江.风电比例对风火打捆外送系统功角暂态稳定性影响[J].电力系统自动化,2013,37(20):34-40.Tang Yi,Zhao Lili,Guo Xiaojiang. Impact of Wind Power Penetration on Angle Transient Stability of Wind-thermal Combined System[J]. Automation of Electric Power System,2013,37(20):34-40.
[10]郭小江,赵丽莉,汤奕,等.风火打捆交直流外送系统功角暂态稳定研究[J].中国电机工程学报,2013,33(22):19-25.Guo Xiaojiang,Zhao Lili,Tang Yi,et al. Study on Angle Transient Stability for Wind-thermal-bundled Power Transmitted by AC/DC System[J]. Proceedings of the CSEE,2013,33(22):19-25.
[11]Dezhi Chen,Shiying Ma1,Yunting Song,et al. Research on transient stability under HVDCblock fault in wind-thermal-bundled power base transmitted by AC/DC system[C]//2014 International Conference on Power System Technology(POWERCON 2014),October20-22,2014,Chengdu,Sichuan,China:7p.
[12]刘忠义.含直驱风电机组的电力系统暂太稳定问题研究[D].河北:华北电力大学,2016.Liu Zhongyi. Research on Transient Stability of Power System Integrated With PMSGs[D]. Hebei:North China Electric Power University,2016.
[13]张爱玲,李少华,张崇见,等.“风火打捆”孤岛特高压直流送端电压和频率控制[J].电力系统及其自动化学报,2015,27(3):29-35.Zhang Ailing,Li Shaohua,Zhang Chongjian,et al. Voltage and Frequency Control of Wind-thermal-bundled Island Transmission by UHVDC System[J]. Proceedings of the CSU-EPSA,2015,27(3):29-35.
[14]Hossain M J,Pota H R,Mahmud M A,et al. Investigationof the impacts of large-scale wind power penetration on the angle and voltage stability of power systems[J]. Systems Journal,IEEE,2012,6(1):76-84.
[15]王树东,王阔,高翔,等.风电比例对风火打捆系统暂态稳定性影响[J].工业仪表与自动化装置,2016,(3):10-13.Wang Shudong,Wang Kuo,Gao Xiang,et al. Influence of proportion of wind power to wind-thermal bundled system transient stability[J].Industrial Instrumentation and Automation,2016,(3):10-13.
[16]汤蕾,沈沉,张雪敏.大规模风电集中接入对电力系统暂态功角稳定性的影响(一):理论基础[J].中国电机工程学报,2015,35(15):3832-3842.Tang Lei,Shen Chen,Zhang Xuemin. Impact of Large-scale Wind Power Centralized Integration on Transient Angle Stability of Power Systems—Part I:Theoretical Foundation[J]. Proceedings of the CSEE,2015,35(15):3832-3842.
[17]赛亚勒·阿布都力江,王海云,等.基于储能装置的风火打捆直流输电系统稳定性研究[J].可再生能源,2016,34(2):203-207.Sai Yale·Abudulijiang,Wang Haiyun,et al. Study on transient stability of wind-thermal power HVDC transmission system based on SMES[J]. Renewable Energy Resources,2016,34(2):203-207.
[18]武家辉,王海云,王维庆,等.混合三端直流输电系统在风火打捆并网中的应用及其控制策略[J].电力系统保护与控制,2016,44(2):49-55.Wu Jiahui,Wang Haiyun,Wang Weiqing,et al. A bundling system of wind-coal power plants and its control strategies based on hybrid MTDC transmissions[J]. Power System Protection and Control,2016,44(2):49-55.