郭琦;罗超;林雪华;邓丽君;李书勇;黄立滨;

• 1:直流输电技术国家重点实验室(南方电网科学研究院有限责任公司)
• 2:广东省新能源电力系统智能运行与控制企业重点实验室(南方电网科学研究院有限责任公司)
• 3:中国南方电网公司电网仿真重点实验室(南方电网科学研究院有限责任公司)

摘要(Abstract)：

针对现场某常规直流雷击后产生的谐波振荡问题,分析了其直流谐波振荡特性,通过建立交直流系统谐波传递模型,进一步研究了其产生机理;基于实时数字物理闭环仿真平台,复现现场振荡现象,并对振荡阻尼特性的影响因素进行了分析;提出基于控制优化的谐波振荡抑制措施,在仿真平台上验证了其有效性。研究成果为常规直流工程设计、雷击引发的谐波振荡风险评估及应对策略提供技术支撑。

关键词(KeyWords)： 常规直流输电;谐波不稳定;实时仿真;控制优化

Abstract:

Keywords:

基金项目(Foundation): 南方电网公司科技项目(ZBKJXM-20180142)~~

作者(Author): 郭琦;罗超;林雪华;邓丽君;李书勇;黄立滨;

Email:

DOI: 10.13335/j.1000-3673.pst.2020.1122

参考文献(References)：

• [1]刘振亚,张启平,董存,等．通过特高压直流实现大型能源基地风、光、火电力大规模高效率安全外送研究[J]．中国电机工程学报,2014,34(16):2513-2522.Liu Zhenya,Zhang Qiping,Dong Cun,et al.Efficient and security transmission of wind,photovoltaic and thermal power of large-scale energy resource bases through UHVDC projects[J].Proceedings of the CSEE,2014,34(16):2513-2522(in Chinese)．
• [2]郭琦,郭海平,黄立滨．电网电压前馈对柔性直流输电在弱电网下的稳定性影响[J]．电力系统自动化,2018,42(14):139-144.Guo Qi,Guo Haiping,Huang Libin.Effect of grid voltage feedforward on VSC-HVDC stability in weak power grid[J].Automation of Electric Power Systems,2018,42(14):139-144(in Chinese)．
• [3]尹聪琦,谢小荣,刘辉,等．柔性直流输电系统振荡现象分析与控制方法综述[J]．电网技术,2018,42(4):1117-1123.Yin Congqi,Xie Xiaorong,Liu Hui,et al.Analysis and control of the oscillation phenomenon in VSC-HVDC transmission system[J].Power System Technology,2018,42(4):1117-1123(in Chinese)．
• [4]邵瑶,周勤勇,张健,等．多馈入直流输电系统换相失败风险评估简化指标[J]．电网技术,2019,43(10):3453-3458.Shao Yao,Zhou Qinyong,Zhang Jian,et al.Research on simplified indicators of commutation failure risk assessment for multi-infeed HVDC transmission systems[J].Power System Technology,2019,43(10):3453-3458(in Chinese)．
• [5]张玉红,姜懿郎,秦晓辉,等．改善直流因持续换相失败导致闭锁的功率指令速降措施研究[J]．电网技术,2019,43(10):3569-3577.Zhang Yuhong,Jiang Yilang,Qin Xiaohui,et al.Research on countermeasure via fast decrease of DC power reference to alleviate DC lockdown risk due to continuous commutation failure[J].Power System Technology,2019,43(10):3569-3577(in Chinese)．
• [6]梅勇,赵晓斌,谢惠藩,等．直流经串补接入系统下的谐波振荡分析及控制措施[J]．电力系统自动化,2019,43(9):187-191.Mei Yong,Zhao Xiaobin,Xie Huifan,et al.Analysis and control measures of harmonic oscillation in power system integrated with DCthrough series compensation[J].Automation of Electric Power Systems,2019,43(9):187-191(in Chinese)．
• [7]郝巍,李兴源,金小明,等．直流输电引起的谐波不稳定及其相关问题[J]．电力系统自动化,2006,30(19):94-99.Hao Wei,Li Xingyuan,Jin Xiaoming,et al.A survey of harmonic instability and related problem caused by HVDC[J].Automation of Electric Power Systems,2006,30(19):94-99(in Chinese)．
• [8]穆子龙,李兴源．交、直流输电系统相互影响引起的谐波不稳定问题[J]．电力系统自动化,2009,33(2):96-100.Mu Zilong,Li Xingyuan.Harmonic instability caused by interactions between AC and DC transmission systems[J].Automation of Electric Power Systems,2009,33(2):96-100(in Chinese)．
• [9]IEC/CEI.IEC/TR 60919-3 (2009-10) Performance of high-voltage direct current(HVDC)systems with line commutated converters-Part3:Dynamic conditions[S].Switzerland:IEC,2009．
• [10]Ainsworth J D.Core saturation instability between controlled static converters and AC networks[J].IEE Proceedings,1967,114(7):949-957．
• [11]Burton R S.Prediction of core saturation instability at an HVDCconverter[J].IEEE Transactions on Power Delivery,1996,11(4):1961-1969．
• [12]Hasegawa T,Matsushita J.Screening for HVDC system core saturation instability[J].IEEE Transactions on Power Delivery,2000,15(4):1291-1297．
• [13]Chen S,Wood A R,Arrillaga J.HVDC converter transformer core saturation instability:a frequency domain analysis[J].IEEProceedings of Generation,Transmission and Distribution,1996,143(1):75-81．
• [14]杨小兵,李兴源,金小明,等．基于调制理论的换流变压器铁心饱和不稳定分析[J]．电网技术,2009,33(20):49-53.Yang Xiaobing,Li Xingyuan,Jin Xiaoming,et al.Modulation theory based analysis on converter transformer core saturation instability[J].Power System Technology,2009,33(20):49-53(in Chinese)．
• [15]杨小兵,李兴源,金小明,等．云广特高压直流输电系统中换流变压器铁心饱和不稳定分析[J]．电网技术,2008,32(19):5-9.Yang Xiaobing,Li Xingyuan,Jin Xiaoming,et al.Analysis on converter transformer core saturation instability in UHVDC power transmission system from Yunnan to Guangdong[J].Power System Technology,2008,32(19):5-9(in Chinese)．
• [16]Yacamini R,Oliveria J C.Instability in HVDC schemes at low-order integer harmonics[J].IEE Proceedings,1980,127(3):179-188．
• [17]卢智雪,刘天琪,陈相,等．考虑两端换流器影响的直流输电系统谐波不稳定风险评估[J]．电力系统自动化,2018,42(19):83-89.Lu Zhixue,Liu Tianqi,Chen Xiang,et al.Risk assessment of harmonic instability in HVDC transmission systems considering effect of two-terminal converters[J].Automation of Electric Power Systems,2018,42(19):83-89(in Chinese)．
• [18]余瑜,刘开培,陈俊,等．基于调制理论的高压直流输电系统混合谐振型谐波不稳定判据[J]．高电压技术,2014,40(5):1582-1589.Yu Yu,Liu Kaipei,Chen Jun,et al.Modulation theory based criterion on composite resonant harmonic instability in HVDC transmission system[J].High Voltage Engineering,2014,40(5):1582-1589(in Chinese)．
• [19]樊丽娟,穆子龙,金小明,等．高压直流输电系统送端谐波不稳定问题的判据[J]．电力系统自动化,2012,36(4):62-68.Fan Lijuan,Mu Zilong,Jin Xiaoming,et al.Criterion of harmonic instability at sending end of HVDC Power transmission system[J].Automation of Electric Power Systems,2012,36(4):62-68(in Chinese)．
• [20]徐政,裘鹏,黄莹,等．采用时域仿真的高压直流输电直流回路谐振特性分析[J]．高电压技术,2010,36(1):44-53.Xu Zheng,Qiu Peng,Huang Ying,et al.HVDC system DC loop resonance analysis using time domain simulation[J].High Voltage Engineering,2010,36(1):44-53(in Chinese).