| 换流站交流滤波电抗器故障分析 |
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| 引用本文： | 张科,原会静,郭磊,王立楠. 换流站交流滤波电抗器故障分析[J]. 电力电容器与无功补偿, 2013, 34(1): 74-79 |
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| 作者姓名： | 张科 原会静 郭磊 王立楠 |
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| 作者单位： | 1. 河南电力试验研究院,河南郑州,450052
2. 河南省电力勘测设计院,河南郑州,450007 |
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| 摘 要： | 通过对某换流站连续发生的两起干式空心串联电抗器故障的分析,发现导致这两起故障发生的直接原因是早期电抗器生产工艺存在缺陷,包封上多处产生了较大的横向穿透性裂缝,雨水进入裂缝内部后造成电抗器电位分布不均匀,在缺陷处发生局部放电造成匝间短路。并提出了防范措施及建议。
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| 关 键 词： | 换流站 交流滤波器 滤波电抗器 故障分析 绝缘老化 匝间短路 防范措施 |
Fault Analysis of AC Filtering Reactor at Power Converting Station |
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| ZHANG Ke , YUAN Hui-jing , GUO Lei , WANG Li-nan. Fault Analysis of AC Filtering Reactor at Power Converting Station[J]. Power Capacitor $ Reactive Power Compensation, 2013, 34(1): 74-79 |
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| Authors: | ZHANG Ke YUAN Hui-jing GUO Lei WANG Li-nan |
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| Affiliation: | 1 (1.Henan Electric Power Test Research Institute,Zhengzhou 450052,China; 2.Henan Electric Power Survey Design Institute,Zhengzhou 450007,China) |
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| Abstract: | In this paper,it is found through analysis of two continuous fault of series reactor(with dry-type air-core) at certain power-converting station that the direct reason causing such two faults is the production process defects existed in the earlier stage in manufacturing procedure of the reactor. Uneven potential distribution of reactor is caused by the lateral penetrating crack occurred on many places of envelopment after rain entering into the crack.The partial discharge happened at the defect places,causing inter-turn short circuit.And the preventive measures and suggestions are put forward. |
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| Keywords: | converting station AC filter filter reactor fault analysis insulation aging inter-turn short circuit preventive measures |
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