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| 摘要: |
| 介绍了广东110kV电网大面积停电的情况，针对广东110kV系统接地方式，对110kV电网主变中性点放电间隙误动和保护动作配合时间失配的情况进行了详细的分析，提出了解决方案。 |
| 关键词: 中性点放电间隙 保护时间失配 解决方案 |
| DOI： |
| 分类号:TM77 |
| 基金项目: |
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| Analysis and solution to wider area outage of Guangdong 110kV power grid |
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ZHAO Jian-qing 1 YIN Xiang-gen 2
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| Abstract: |
| The wide area outage of Guangdong110kV-power grid is introduced.A detailed analy-sis is carried out on th e false trip of main transformer's neutral point discharge gap and the mis-match of protective trip time.Solution is progosed. |
| Key words: neutral point discharge gap,protective trip time mismatch,solusion |
