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...

柔性直流输电系统中模块化多电平变流器的直流侧充电策略分析

, PP. 136-142

Keywords: 柔性直流输电,模块化多电平变流器,充电策略,无源负载

Full-Text   Cite this paper   Add to My Lib

Abstract:

本文首先对柔性直流输电系统中的模块化多电平变流器的充电方式进行了分析.当柔性直流输电系统连接无源负载时受端站就需要通过直流侧进行充电.本文通过推导模块化多电平变流器直流侧数学模型得出直流侧充电必然存在过充现象.为了抑制过充电压幅值,本文提出了一种直流侧可控充电策略.并根据模块化多电平变流器本身的限制条件推导出充电系数的取值公式.同时,分析了充电电流的变化过程并根据数学模型计算得到充电电流的最大值,为模块化多电平变流器充电系统的设计提供了理论依据.最后,通过实验验证了本文提出的充电策略的可行性和有效性.

References

[1]  Lesnicar A, Marquardt R. An innovative modular multilevel converter topology suitable for a wide power range[C]. Power Tech Conference Proceedings, Bologna, Italy, 2003: 272-277.
[2]  Hagiwara M, Akagi H. PWM control and experiment of modular multilevel converters[C]. Power Electronics Specialists Conference, Rhodes, 2008: 154- 161.
[3]  Tu Qingrui, Xu Zheng, Xu Lie. Reduced switching- frequency modulation and circulating current supper- ssion for modular multilevel converters[J]. IEEE Transactions on Power Delivery, 2011, 26(3): 2009- 2017.
[4]  屠卿瑞, 徐政, 郑翔, 等. 一种优化的模块化多电平换流器电压均衡控制方法[J]. 电工技术学报, 2011, 26(5): 15-20.
[5]  Tu Qingrui, Xu Zheng, Zheng Xiang, et al. An optimized voltage balancing method for modular multilevel converter[J]. Transactions of China Elec- trotechnical Society, 2011, 26(5): 15-20.
[6]  高 建, 苏建徽, 高 航, 等. 模块化多电平换流器电容电压与环流的控制策略[J]. 电力系统保护与控制, 2014, 42(3): 56-62.
[7]  Gao Jian, Su Jianhui, Gao Hang, et al. Capacitor voltage and circulation current control strategy in modular multilevel converter[J]. Power System Protec- tion and Control, 2014, 42(3): 56-62.
[8]  Konstantinou G S, Agelidis V G. Performance evalua- tion of half-bridge cascaded multilevel converters operated with multicarrier sinusoidal PWM techniques [C]. Industrial Electronics and Applications Conference, Xi’an, 2009: 3399-3404.
[9]  屠卿瑞, 徐政, 姚为正. 模块化多电平换流器型直流输电电平数选择研究[J]. 电力系统保护与控制, 2010, 38(20): 33-44.
[10]  Tu Qing ruil, Xu Zhen, Yao Weizhen. Selecting number of voltage levels for modular multilevel converter based HVDC[J]. Power System Protection and Control, 2010, 38(20): 33-44.
[11]  Li Zixin, Wang Ping, Zhu Haibin, et al. An improved pulse width modulation method for chopper-cell- based modular multilevel converters[J]. IEEE Transac- tions on Power Electronics, 2012, 27(8): 3472-3481.
[12]  孙世贤, 田杰. 适合MMC型直流输电的灵活逼近调制策[J]. 中国电机工程学报, 2012, 32(28): 62-67.
[13]  Sun Shixian, Tian Jie. Flexible Approach Modulation Strategy for HVDC Based on Modular Multilevel Converter[J]. Proceedings of CSEE, 2012, 32(28): 62-67.
[14]  Angquist L, Antonopoulos A, Siemaszko D, et al. Open-loop control of modular multilevel converters using estimation of stored energy[J]. IEEE Transac- tions on Industry Applications, 2011, 47(6): 2516- 2524.
[15]  宋强, 刘文华, 李笑倩, 等. 模块化多电平换流器稳态运行特性的解析分析[J]. 电网技术, 2012, 36(11): 198-204. Song Qiang, Liu Wenhua, Li Xiaoqian, et al. An analytical method for analysis on steady-state operating characteristics of modular multilevel converter[J]. Power System Technology, 2012, 36(11): 198-204.
[16]  管敏渊, 徐政. 向无源网络供电的MMC型直流输电系统建模与控制[J]. 电工技术学报, 2013, 28(2): 255-263.
[17]  Guan Minyuan, Xu Zheng. Modeling and control of modular multilevel converter based VSC-HVDC system connected to passive networks[J]. Transactions of China Electrotechnical Society, 2013, 28(2): 255-263.
[18]  雷鸣, 李耀华, 葛琼璇, 等. 模块化多电平变流器低频控制方法[J]. 中国电机工程学报, 2013, 33(24): 59-65.
[19]  Lei Ming, Li Yaohua, Ge Qiongxuan, et al. A control scheme of modular multilevel converter operating at low frequency[J]. Proceedings of CSEE, 2013, 33(24): 59-65.
[20]  雷鸣, 李耀华, 葛琼璇, 等. 一种新型单桥臂电感模块化多电平变流器及其控制方法[J]. 电工技术学报, 2014, 29(2): 231-238.
[21]  Lei Ming, Li Yaohua, Ge Qiongxuan, et al. A new modular multilevel converter with single arm inductor and its control strategies[J]. Transactions of China Electrotechnical Society, 2014, 29(2): 231-238.
[22]  邓雪松, 欧开健, 陈鹏, 等. 基于无差拍电流控制的MMC-HVDC系统控制策略研究[J]. 电力系统保护与控制, 2014, 42(8): 34-39.
[23]  Deng Xuesong, Ou Kaijian, Chen Peng, et al. Study of control strategy for MMC-HVDC systembased on deadbeat current control[J]. Power System Protection and Control, 2014, 42(8): 34-39.
[24]  Li Zixin, Wang Ping, Chu Zunfang, et al. An Inner Current Suppressing Method for Modular Multilevel Converters[J]. IEEE Transactions on Power Elec- tronics, 2013, 28(11): 4873-4879.
[25]  张建坡, 赵成勇. 模块化多电平换流器环流及抑制策略研究[J]. 电工技术学报, 2013, 28(10): 328-336.
[26]  Zhang Jianpo, Zhao Chengyong. Research on circula- tion current and suppressing strategy of modular multilevel converter[J]. Transactions of China Elec- trotechnical Society, 2013, 28(10): 328-336.
[27]  Das A, Nademi H, Norum L. A method for charging and discharging capacitors in Modular Multilevel Converter[C]. Annual Conference on IEEE Industrial Electronics Society, Melbourne, 2011: 1058-1062.
[28]  孔明, 邱宇峰, 贺之渊, 等. 模块化多电平式柔性直流输电换流器的预充电控制策略[J]. 电网技术, 2011, 35(11): 67-73.
[29]  Kong Ming, Qiu Yufeng, He Zhiyuan, et al. Pre- charging control strategies of modular multilevel converter for VSC-HVDC[J]. Power System Technology, 2011, 35(11): 67-73.
[30]  周月宾, 江道灼, 郭捷, 等. 模块化多电平换流器型直流输电系统的启停控制[J]. 电网技术, 2012, 36(3): 204-209.
[31]  Zhou Yuebin, Jiang Daozhuo, Guo Jie, et al. Start/ stop control of modular multilevel converter based HVDC Transmission System[J]. Power System Tech- nology, 2012, 36(3): 204-209.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133