Author(s)

Xiaowei Wei ¹, Jiping Yang ¹

Affiliation(s)

¹ Survey&Design Co., Ltd. CONHW, Zhangjiang, China

Corresponding Author

Xiaowei Wei

ABSTRACT

This paper explores the relay protection of the power grid with large-scale wind power access across the globe. First, the amplitude and attenuation characteristics of short circuit current in different types of wind turbines are analyzed, as well as the contributing factors to short-circuit current in wind farms. Second, the fault characteristics and corresponding protection strategies of the collector circuit in the wind power plant are discussed. Then, in view of the adaptability of HVDC protection to the grid power with wind power access, the performance of zero-sequence protection, reclosing and distance III section and the corresponding countermeasures are analyzed. Finally, suggestions for the directions of further research are proposed: strengthening research on fault characteristics of wind turbines; performing general electromagnetic transient modeling of wind turbines for protection; developing new principles and technologies of network protection applicable to protection of wind farm collector buses and networks; and strengthening collaborations between wind farms and power grids in protection and control to solve the problems in relay protection.

KEYWORDS

Relay protection; wind power generation; electromagnetic transient; fault characteristics

CITE THIS PAPER

Xiaowei Wei, Jiping Yang, Progress in research on relay protection of the power system with large-scale wind power access. Journal of Electrotechnology, Electrical Engineering and Management (2023) Vol. 6: 26-29. DOI: http://dx.doi.org/10.23977/jeeem.2023.060304.

REFERENCES

[1] Smith J C, Milligan MR. DeMeo EA, et al. Utility wind integration and operating impact state of the art [J]. IEEE Trans on Power Systems, 2007, 22(3):900-908. 
[2] Morren J, de Haan S W H. Short-circuit current of wind turbines with doubly fed induction generator [J]. IEEE Transactions on Energy Conversion, 2007. 22(1):174-180. 
[3] Sulla F., Svensson J., Samuelsson O. Symmetrical and unsymmetrical short-circuit current of sauirrel-cage and doubly-fed induction generators [J]. Electric Power Systems Research, 2011, 81(8): 1610-1618. 
[4] Samaan N., Zavadil R., Smith JC, et al. Modeling of wind power plants for short circuit analysis in the transmission network[C]// IEEE/PES Transmission and Distribution Conference and Exposition. Chicago, IL: IEEE, 2008:1-7. 
[5] Ouhrouche M. Transient analysis of a grid connected wind driven induction generator using a real-time simulation platform [J]. Renewable Energy, 2009, 34(3): 801-806.

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