光伏并网系统的谐波不稳定产生机理及影响规律

Abstract
Figure/Table
References
Related Citation (15)

Download: PDF (27991 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract The harmonic instability problem would arise from the interaction between power supply system and voltage source inverter (VSI) in the fields of photovoltaic (PV) or wind power generation. This paper studies the mechanism and influence laws of the harmonic instability via Input Admittance Criterion (IAC) of impedance-based analysis. The equivalent VSI impedance model of PV grid-connected system has been conducted to demonstrate the factors of harmonic instability in terms of active and passive damping. The model of PV grid-connected system is established on the basis of Matlab/Simulink platform to check the impacts of the critical factors on the behaviors of the harmonic instability (i.e., proportional parameters K_p, total time delay T_d, passive damping R_d and grid-side inductance L_g). Simulation results indicate that the harmonic instability occurs when the value of VSI damping is negative within the threshold range. The unstable domain is calculated by IAC to predict the harmonic instability.

Key words： Harmonic instability voltage source inverter PV grid-connected input admittance criterion influencing factors

Received: 14 October 2016 Published: 26 May 2017

PACS:

TM615

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	Zhu Xiaojuan
	Hu Haitao
	Tao Haidong
	He Zhengyou

Cite this article:

Zhu Xiaojuan,Hu Haitao,Tao Haidong等. The Mechanism and Influence of Harmonic Instability for Photovoltaic Grid-Connected System[J]. Transactions of China Electrotechnical Society, 2017, 32(10): 33-41.

URL:

https://dgjsxb.ces-transaction.com/EN/ OR https://dgjsxb.ces-transaction.com/EN/Y2017/V32/I10/33

[1] Mollerstedt E, Bernhardsson B. Out of control because of harmonics-an analysis of the harmonic response of an inverter locomotive[J]. IEEE Transa- ctions on Control Systems, 2000, 20(4): 70-81.
[2] Enslin J H R, Heskes P J M. Harmonic interaction between a large number of distributed power inverters and the distribution network[J]. IEEE Transactions on Power Electronics, 2004, 4(6): 1586-1593.
[3] 崔红芬, 汪春, 叶季蕾, 等. 多接入点分布式光伏发电系统与配电网交互影响研究[J]. 电力系统保护与控制, 2015, 43(10): 91-97.
Cui Hongfen, Wang Chun, Ye Jilei, et al. Research of interaction of distributed PV system with multiple access points and distribution network[J]. Power System Protection and Control, 2015, 43(10): 91-97.
[4] 杨明, 周林, 张东霞, 等. 考虑电网阻抗影响的大型光伏电站并网稳定性分析[J]. 电工技术学报, 2013, 28(9): 214-223.
Yang Ming, Zhou Lin, Zhang Dongxia, et al. Stability analysis of large-scale photovoltaic power plants for the effect of grid impedance[J]. Transactions of China Electrotechnical Society, 2013, 28(9): 214- 223.
[5] 何正友. 分布式新能源接入电网的谐波热点问题探讨[J]. 南方电网技术, 2016, 10(3): 47-52.
He Zhengyou. Discussion on harmonic hot issues of distributed new energy connected to power grid[J]. Southern Power System Technology, 2016, 10(3): 47-52.
[6] Kwon J B, Wang X, Bak C L, et al. Harmonic interaction analysis in grid connected converter using harmonic state space (HSS) modeling[C]//Proceedings of the 30th Annual Applied Power Electronics Conference and Exposition, Charlotte, United States, 2015: 1779-1786.
[7] Agorreta J, Borrega M, Lopez J, et al. Modeling and control of N-paralleled grid-connected inverters with LCL filters coupled due to grid impedance in PV plants[J]. IEEE Transactions on Power Electronics, 2011, 26(3): 770-785.
[8] Harnefors L, Wang X, Yepes A G, et al. Passivity- based stability assessment of grid-connected VSCs— an overview[J]. IEEE Transactions on Power Elec- tronics, 2016, 4(1): 116-125.
[9] Wang X, Blaabjerg F, Wu W. Modeling and analysis of harmonic stability in an AC power-electronics- based power system[J]. IEEE Transactions on Power Electronics, 2014, 29(12): 6421-6432.
[10] Wang X, Blaabjerg F, Loh P C. Grid-current- feedback active damping for LCL, resonance in grid-connected voltage-source converters[J]. IEEE Transactions on Power Electronics, 2015, 31(1): 213-223.
[11] Yoon C, Wang X, Fariad S F M, et al. Harmonic stability assessment for multi-paralleled, grid- connected inverters[C]//IEEE Electronics and Appli- cation Conference and Exposition, Shanghai, China, 2015: 1098-1103.
[12] Wang X, Blaabjerg F, Loh P C. Design-oriented analysis of resonance damping and harmonic com- pensation for LCL-filtered voltage source converters[C]// Proceedings of the IEEE International Power Elec- tronics Conference, Hiroshima, Japan, 2014: 216- 223.
[13] Larsen E V, Baker D H, Mciver J C. Low-order harmonic interactions on AC/DC systems[J]. IEEE Transactions on Power Delivery, 1989, 4(1): 493- 501.
[14] Wang X, Blaabjerg F, Liserre M, et al. An active damper for stabilizing power-electronics-based AC systems[J]. IEEE Transactions on Power Electronics, 2014, 29(7): 3318-3329.
[15] Wang X, Blaabjerg F, Loh P C. An impedance-based stability analysis method for paralleled voltage source converters[C]//IEEE International Power Electronics Conference, Hiroshima, Japan, 2014: 1529-1535.
[16] Medina A, Segundo-Ramirez J, Ribeiro P, et al. Harmonic analysis in frequency and time domain[J]. IEEE Transactions on Power Delivery, 2014, 28(3): 1813-1821.
[17] Middlebrook R D. Input filter considerations in design and application of switching regulators[C]// IEEE Industrial Application Society Annual Meeting, Chicago, USA, 1976: 366-382.
[18] Hu Haitao, He Zhengyou, Li Xin, et al. Power-quality impact assessment for high-speed railway associated with high-speed trains using train timetable—part I: methodology and modeling[J]. IEEE Transactions on Power Delivery, 2016, 31(2): 693-703.
[19] 周念成, 楼晓轩, 王强钢, 等. 电网电压不平衡下三相光伏发电系统的谐波电流抑制[J]. 电工技术学报, 2015, 30(16): 246-254.
Zhou Niancheng, Lou Xiaoxuan, Wang Qianggang, et al. Harmonic currents suppression for three-phase photovoltaic power generation system under unbalanced grid voltage conditions[J]. Transactions of China Electrotechnical Society, 2015, 30(16): 246-254.
[20] 田鹏, 宣文华, 牛益国. 基于陷波控制的LCL型光伏并网逆变器谐波谐振抑制研究[J]. 电力系统保护与控制, 2016, 44(14): 82-87.
Tian Peng, Xuan Wenhua, Niu Yiguo. Suppression of harmonic resonance for photovoltaic grid-connected inverter with LCL filter based on notch filter control[J]. Power System Protection and Control, 2016, 44(14): 82-87.
[21] Harnefors L, Yepes A, Vidal A, et al. Passivity-based controller design of grid-connected VSCs for prevention of electrical resonance instability[J]. IEEE Transactions on Industrial Electronics, 2015, 62(2): 702-710.
[22] 侯李祥, 卓放, 师洪涛, 等. 基于系统稳定性分析的微电网阻抗测量技术[J]. 电工技术学报, 2015, 30(22): 153-162.
Hou Lixiang, Zhuo Fang, Shi Hongtao, et al. New techniques for measuring impedance characteristics of an islanded microgrid based on stability analysis[J]. Transactions of China Electrotechnical Society, 2015, 30(22):153-162.
[23] Pendharkar I. A generalized input admittance criterion for resonance stability in electrical railway networks[C]//European Control Conference, Strasbourg, France, 2014: 690-695.
[24] 张兴, 曹仁贤. 太阳能光伏并网发电及其逆变控制[M]. 北京: 机械工业出版社, 2011.
[25] Hu Haitao, Shi Qingxin, He Zhengyou, et al. Potential harmonic resonance impacts of PV inverter filters on distribution systems[J]. IEEE Transactions on Sustainable Energy, 2015, 6(1): 151-161.
[26] 陈新, 韦徵, 胡雪峰, 等. 三相并网逆变器LCL滤波器的研究及新型有源阻尼控制[J]. 电工技术学报, 2014, 29(6): 71-79.
Chen Xin, Wei Zheng, Hu Xuefeng, et al. Research on LCL filter in three-phase grid-connected inverter and novel active damping control strategy[J]. Transactions of China Electrotechnical Society, 2014, 29(6): 71-79.