一种考虑风电场并网的大电网快速主动解列策略

doi:10.19595/j.cnki.1000-6753.tces.181296

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Abstract Aiming at the problem of fast active islanding of power system with high wind permeability, a two-stages fast active islanding strategy for large scale power grid under high wind power penetration is proposed in this paper. In the first stage, wind power is equivalent by modifying the shrink admittance matrix of the system. The power angle Laplacian matrix is modified online according to the offline calculation results of the coupling degree of the generators, and then the current coherency identification results are obtained online. In the second stage, a constrained spectral clustering algorithm is, based on graph theory, applied to transform the problem of islanding sections searching to the generalized eigenvalue problem, and the improved k-means algorithm is applied to get the real-time optimal islanding sections quickly. Finally, the correctness, effectiveness and rapidity of the proposed method are verified by the simulation in the IEEE 118-bus system.

Key words： Active islanding wind farm integration generator coherency identification optimal islanding sections search the improved k-means algorithm

Received: 01 August 2018 Published: 29 May 2019

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TM712

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	Tang Fei
	Liu Yang
	Shi Haobo
	Zou Hongliang
	Zhou Fang

Cite this article:

Tang Fei,Liu Yang,Shi Haobo等. A Fast Active Islanding Strategy for Large Power Grid Considering Wind Farm Integration[J]. Transactions of China Electrotechnical Society, 2019, 34(10): 2092-2101.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.181296 OR https://dgjsxb.ces-transaction.com/EN/Y2019/V34/I10/2092

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