全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
电网技术  2015 

三角形连接链式STATCOM三倍频环流优化研究

DOI: 10.13335/j.1000-3673.pst.2015.08.045, PP. 2364-2370

Keywords: 链式换流器,静止无功发生器,三倍频环流,电容电压波动,三角形连接

Full-Text   Cite this paper   Add to My Lib

Abstract:

三角形连接链式STATCOM的三相桥臂之间存在三倍频环流,为分析三倍频环流的大小及其影响和优化控制方法,首先提出了基于循环耦合关系的解析分析方法,该方法可准确计算出换流器的三倍频环流;其次,应用该解析方法分析了三倍频环流的存在对于链节电容电压波动的影响,并进一步提出了以降低链节电容电压波动和减小所需电容值为目标的三倍频环流优化控制方法,该控制方法可以有效降低装置的体积和成本;最后,通过仿真验证了所提出的解析分析方法和三倍频环流优化控制方法的有效性。

References

[1]  Townsend C D,Summers T J,Vodden J,et al.Optimization of switching losses and capacitor voltage ripple using model predictive control of a cascaded H-bridge multilevel STATCOMS[J].IEEE Transactions on Power Electronics,2013,28(7):3077-3087.
[2]  许树楷,陈名,傅闯,等.南方电网_200Mvar静止同步补偿装置系统调试[J].南方电网技术,2012,6(2):21-25.Xu Shukai,Chen Ming,Fu Chuang,et al.The system commissioning of ±200 Mvar STATCOM in China Southern Power Grid[J].Southern Power System Technology,2012,6(2):21-25(in Chinese).
[3]  王姗姗,周孝信,汤广福,等.模块化多电平HVDC输电系统子模块电容值的选取和计算[J].电网技术,2011,35(1):26-32.Wang Shanshan,Zhou Xiaoxin,Tang Guangfu,et al.Selection and calculation for sub-module capacitance in modular multi-level converter HVDC power transmission system[J].Power System Technology,2011,35(1):26-32(in Chinese).
[4]  殷自力,李庚银,李广凯,等.柔性直流输电系统运行机理分析及主回路相关参数设计[J].电网技术,2007,31(21):16-21.Yin Zili,Li Gengyin,Li Guangkai,et al.Analysis on operational mechanism of VSC-HVDC and relevant parameter design of its main circuit[J].Power System Technology,2011,31(21):16-21(in Chinese).
[5]  丁冠军,汤广福,丁明,等.新型多电平VSC子模块电容参数与均压策略[J].中国电机工程学报,2009,29(30):1-6.Ding Guanjun,Tang Guangfu,Ding Ming,et al.Submodule capacitance parameter and voltage balancing scheme of a new multilevel VSC modular[J].Proceedings of the CSEE,2009,29(30):1-6(in Chinese).
[6]  屠卿瑞,徐政,管敏渊,等.模块化多电平换流器环流抑制控制器设计[J].电力系统自动化,2010,34(18):57-61.Tu Qingrui,Xu Zheng,Guan Minyuan,et al.Design of circulating current suppressing controllers for modular multilevel converter[J].Automation of Electric Power Systems,2010,34(18):57-61(in Chinese).
[7]  Sapkota B,Vittal V.Dynamic VAr planning in a large power system using trajectory sensitivities[J].IEEE Transactions on Power Systems,2010,25(1):461-469.
[8]  陈丽兵,史丽萍,李宁.中高压链式SVG控制策略[J].电网技术,2014,38(2):495-501.Chen Libing,Shi Liping,Li Ning.Control strategy for cascade-connected medium- and high-voltage static var generators[J].Power System Technology,2014,38(2):495-501(in Chinese).
[9]  刘雷,罗安,熊桥坡,等.级联型SVG双闭环控制稳定性分析[J].电网技术,2013,37(12):3356-3361.Liu Lei,Luo An,Xiong Qiaopo,et al.Stability analysis of double closed loop control for cascaded static var generator[J].Power System Technology,2013,37(12):3356-3361(in Chinese).
[10]  Gultekin B,Gercek C O,Tevhid Atalik,et al.Design and implementation of a 154-kV ±50Mvar transmission STATCOM based on 21-Level cascaded multilevel converter[J].IEEE Transactions on Industrial Applications,2012,48(3):4930-4950.
[11]  田铭兴,阎宏,赵雨欣.级联H桥SVG直流侧电容电压平衡控制方法[J].电网技术,2013,37(9):2632-2638.Tian Mingxing,Yan Hong,Zhao Yuxin.A balancing control method of DC capacitor voltage for cascaded H-bridge SVG[J].Power System Technology,2013,37(9):2632-2638(in Chinese).
[12]  Song Q,Liu W H.Control of a cascade STATCOM with star configuration under unbalanced conditions[J].IEEE Transactions on Power Electronics,2009,24(1):45-58.
[13]  Xu R,Yu Yong,Yang R,et al.A novel control method for transformerless H-bridge cascaded STATCOM with star configuration[J].IEEE Transactions on Power Electronics,2015,30(3):1189-1202.
[14]  Du S,Liu J J,Lin J L,et al.Control strategy study of STATCOM based on cascaded PWM H-bridge converter with delta configuration[C]//International Power Electronics and Motion Control Conference.Harbin:IEEE,2012:345-350.
[15]  刘文华,宋强,滕乐天,等.基于集成门极换向晶闸管与链式逆变器的50 Mvar静止同步补偿器[J].中国电机工程学报,2008,28(15):55-60.Liu Wenhua,Song Qiang,Teng Letian,et al.±50 Mvar STATCOM based on chain circuit employing IGCT’s[J].Proceeding of CSEE,2008,28(15):55-60(in Chinese).
[16]  魏伟,饶宏,许树楷,等.大容量静止同步补偿器在南方电网的应用.南方电网技术,2013,7(6):7-12.Wei Wei,Rao Hong,Xu Shukai,et al.The application of large capacity static synchronous compensator in China Southern Power Grid[J].Southern Power System Technology,2013,7(6):7-12(in Chinese).

Full-Text

comments powered by Disqus

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133

WeChat 1538708413