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...

电网电压不平衡条件下微网恒功率控制策略研究

, PP. 377-387

Keywords: 平衡假设,前馈解耦PQ控制,开关函数法,负序控制环,不平衡

Full-Text   Cite this paper   Add to My Lib

Abstract:

在基于平衡假设的前馈解耦恒功率控制是微网典型的控制策略,通过对该策略进行功率分析,并釆用开关函数法进行并网逆变器输出特性分析,针对电网电压不平衡条件下负序和3次谐波现象,在原有PQ控制控制结构基础上叠加一个前馈电压负序控制环,使微网并网逆变器产生一个与公共连接点不平衡电压中负序分量大小相等相位相同的电压,实现微网并网节点的三相对称控制,改进的开关函数调制法的采用抑制了3次谐波的输出。仿真和实验结果表明,改进的微网不平衡PQ控制策略提高了微网在电网电压不对称条件下的生存能力。

References

[1]  Eto J, Lasseter R, Schenkman B, et al. Overview of the CERTS microgrid laboratory test bed[C]. Integration of Wide-Scale Renewable Resources Into the Power Delivery System, 2009 CIGRE/IEEE PES Joint Sym- posium. 2009: 1-1.
[2]  Lasseter B. Microgrids. IEEE Power Engineering Society Winter Meeting[C]. New York, USA, 2001, 1: 146-149.
[3]  Lasseter R, Abbas A, Marnay C, et al. Integration of distributed energy resources: The CERTS MicroGrid concept[R]. California Energy Commission, 2003.
[4]  LOPES J A P. Kythnos 2008 symposium on micro- grids: operational control of microgrids and multi- microgrid[J]. 2008-06-02]. http://der.lbl.gov/new_site/ DER. htm.
[5]  KATIRAEI F, IRAVANI MR. Power management strategies for a microgrid with multiple distributed generation units[J]. Power Systems, IEEE Transactions on, 2006, 21(4): 1821-1831.
[6]  Piagi P, Lasseter R H. Autonomous control of Micro Grids[C]. IEEE Power Engineering Society General Meeting, Montreal, 2006, p 1708993.
[7]  Guerrero J M, Matas J, De-Vicuna L G, et al. Wireless- control strategy for parallel operation of distributed- generation inverters[J].IEEE Transactions on Industrial Electronics, 2006, 53(5): 1461-1470.
[8]  Guerrero J, Matas J, de Vicuna L G, et al. Decen- tralized control for parallel operation of distributed generation inverters using resistive output impedance. IEEE Transactions on Industrial Electronics, 2007, 54(2): 994-1004.
[9]  彭力, 白丹, 康勇, 等.三相逆变器不平衡抑制研究[J]. 中国电机工程学报, 2004, 24(5): 174-178. Peng Li, Bai Dan, Kang Yong, et al. Research on three-phase inverter with unbalanced load[J]. Procee- dings of the CSEE.2004, 24(5): 174-178.
[10]  Prodanovic M, Green T C, et al. High-Quality Power Generation Through Distributed Control of a Power Park Microgrid. IEEE Transaction on Industrial Electronics, 2006, 53(5): 1471-1482.
[11]  Blazic B, Papic I. STATCOM Control for Operation with Unbalanced Voltages[C]. Power Electronics and Motion Control Conference, 2006, EPE-PEMC 2006. 12th International, Portoroz, Slovenia, 2006: 1454- 1459.
[12]  Li Kuang, Liu Jinjun, Wang Zhaoan, et al. Static Var generator control strategy for unbalanced systems in medium voltage applications[C]. Proceedings of the IEEE International Conference PESC’2004, Yachen, Germany, 2004: 4257-4262.
[13]  Chen W L, Hsu Y Y. Direct output voltage control of a static synchronous compensator using current sensorless d-q vector-based power balancing scheme [J]. IEEE Transactions on Power Delivery, 2003, 2(7-12): 545-549.
[14]  Bina M T, Eskandari M D. Consequence of unbalance supplying condition on a distribution static com- pensation[C]. IEEE Power Electronics Specialists Conference, Aachen, Germany, 2004.
[15]  涂春鸣, 李慧, 唐杰, 罗安. 电网电压不对称对D-STATCOM的影响分析及抑制[J]. 电工技术学报, 2009, 24(8): 114-121. Tu Chunming, Li Hui, Tang Jie, Luo An. Analysis and Suppression of Influence on D-STATCOM Under Unbalanced Voltage of Power System[J]. Transactions of China Electrotechnical Society, 2009, 24(8): 114- 121.
[16]  Bostjan Blazic, Igor Papic. Improved D-Statcom control for operation with unbalanced currents and voltages. IEEE Transactions on Power Delivery, 2006, 21(1): 225-233.
[17]  丁洪发, 段献忠, 何仰赞. 同步检测法的改进及其在三相不对称无功补偿中的应用[J].中国电机工程学报, 2000, 20(6): 17-20. Ding Hongfa, Duan Xianzhong, He Yangzan. Improve- ment of synchronous detection method and applica- tion for VAR compensation of unbalanced three-phase system[J]. Proceedings of the CSEE, 2000, 20(6): 17-20.
[18]  Shuangjian Peng, An Luo, Zhipeng Lv, Jingbing Wu. Power control for single-phase microgrid based on the PQ theory. ICIEA 2011: IEEE Conference on Industrial Electronics and Applications, Beijing, 2011.
[19]  Weiss G, Zhong Q Ch, Green T C, Liang J. Repetitive control of DC-AC converters in micro-grids. IEEE Transactions on Power Electronics, 2004, 19(1): 219-230.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133