GIS内的特快速暂态过电压（VFTO）巳在超高压电网中造成了一些事故。

Several failures and problems have beencaused by Very Fast Transient Overvoltage(VFTO) in GIS.

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试验结果表明，在适当的参数配合下，磁环能够有效抑制特快速暂态过电压的幅值和陡度。

Special attentions were paid on the influence of magnetic saturation. The tests showed that under proper parameter coordination magnetic rings …

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试验结果表明，在适当的参数配合下，磁环能够有效抑制特快速暂态过电压的幅值和陡度。

Special attentions were paid on the influence of magnetic saturation. The tests showed that under proper parameter coordination magnetic rings …

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