Abstract
With the continuous development of the smart wireless communications, the importance of electric energy becomes increasingly evident. Intricately interconnected power grids will also suffer from the threats of blackouts caused by grid cascading failure while bringing convenience to the masses. The grid cascading trip is closely related to cascading failure. Generally, the cascading failure shows a cascading trip at early stage. Hence, the avoidance of occurrence of cascading trip at an early stage may restrain the occurrence of complex cascading failure, thereby avoiding the occurrence of the blackout. In this paper, the occurrence principle of the cascading trip is firstly analyzed from the perspective of relay protection. The output of the generator is taken as the optimization variable, and the optimization model for restraining the grid trip is presented. Finally, the example of IEEE14 node system is analyzed in this paper in combination with the particle swarm algorithm, which verifies the rationality of the proposed method.
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Acknowledgements
This research was financially supported by Doctoral Research Foundation of Fujian University of Technology under the grant GY-Z13104, and Scientific Research and Development Foundation of Fujian University of Technology under the grant GY-Z17149.
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Deng, HQ., Wu, PP., Lin, XY., Li, QB., Li, CG., Shi, ZH. (2021). A Method for Restraining Cascading Trip Based on Node Power. In: Kountchev, R., Mahanti, A., Chong, S., Patnaik, S., Favorskaya, M. (eds) Advances in Wireless Communications and Applications. Smart Innovation, Systems and Technologies, vol 190. Springer, Singapore. https://doi.org/10.1007/978-981-15-5697-5_9
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DOI: https://doi.org/10.1007/978-981-15-5697-5_9
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