In summer high load period, transformers in this station had overload, so it's urgent to take into the extension.

在夏季负荷高峰期，站内已经出现了主变过负荷现象，增容扩建迫在眉睫。

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The fault trip of AC filter overload protection in Gezhouba converter station leaded to the out of service of all HP11/13 low-pass AC filters.

根据葛洲坝换流站一次双极停运事故的现象，指出过负荷保护误动作是这次事故的主要原因。

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