Analysis on a large scale wind turbines cascading trip-off accident in North China

Large scale wind power has impact on the power system's security and stability. For a large scale wind turbines tripping off accident happening in the region of Guyuan in North China, this paper explains the accident development process, analyzes the main reason for the cascading wind turbines tripping off, builds the simulation model according to the actual data of the North China Grid and the wind power integration system, and reconstructs the accident process based on the simulation, discusses the countermeasures to avoid this kind of cascading accident.

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