GIC对滤波器组过流保护的影响

IEEE WESCANEX 93 Communications, Computers and Power in the Modern Environment - Conference Proceedings Pub Date : 1993-05-17 DOI:10.1109/WESCAN.1993.270551

R. Jayasinghe, P. McLaren, T. Gouldsborough

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引用次数: 9

摘要

作者描述了一个模拟模型，该模型可用于预测曼尼托巴水电网络500kv线路和系统在GIC(地磁感应电流)事件期间的电压和电流。该模型的结果显示与最近记录的GIC事件非常吻合。然后，该模型用于预测与不同功率流相结合的可能最大GIC电平的波形。讨论了该事件对通过谐波滤波器的电流和典型序列滤波器上畸变波形的影响。

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Effect of GIC on overcurrent protection for filter banks

The authors describe a simulation model which can be used to predict voltages and currents during GIC (geomagnetically induced current) events for the 500 kV line and system in the Manitoba Hydro network. The results from the model are shown to be in close agreement with a recently recorded GIC event. The model is then used to predict waveforms for a possible maximum GIC level combined with different power flows. The effect of this event on the currents going through the harmonic filters and the distorted waveforms on typical sequence filters is addressed.<>

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IEEE WESCANEX 93 Communications, Computers and Power in the Modern Environment - Conference Proceedings

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