2021年10月11日地磁暴对两座变电站GIC的影响

高贺; 张倩然; 刘连光; 王鹏; 姜楠; 周立超

doi:10.11728/cjss2022.06.211130127

2021年10月11日地磁暴对两座变电站GIC的影响

doi: 10.11728/cjss2022.06.211130127

高贺^1,,
张倩然¹,
刘连光^2, ,,
王鹏¹,
姜楠¹,
周立超¹

1.
国网内蒙古东部电力有限公司电力科学研究院　呼和浩特　010020
2.
华北电力大学电气与电子工程学院　北京　102206

基金项目: 国家自然科学基金项目（51577060）和国网内蒙古东部电力有限公司项目（526604200001）共同资助

详细信息

作者简介:
高贺：E-mail：gaohe8997@sina.com

通讯作者:
刘连光，E-mail：liulianguang@ncepu.edu.cn

中图分类号: P353
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- 文章访问数: 165
- HTML全文浏览量: 126
- PDF下载量: 32
- 被引次数: 0
出版历程
- 收稿日期: 2021-11-29
- 录用日期: 2022-05-31
- 修回日期: 2022-02-08
- 网络出版日期: 2022-11-30

Influence Factors of GIC in Two Substations of Geomagnetic Storm on 11 October 2021

1.
State Grid East Inner Mongolia Electric Power Research Institute, Huhhot 010020
2.
School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206

摘要

摘要: 近年来中国相继监测到地磁暴侵害电网、铁路轨道电路和油气管道系统产生的地磁感应电流（Geomagnetically Induced Current，GIC）数据，但是目前实测的GIC数据还相对较少。根据2021年10月9日日冕物质抛射事件（CME）产生的Kp指数为6的地磁扰动（Geomagnetic Disturbance，GMD）数据，500 kV阿拉坦变电站（48.7°N，116.8°E）和上河变电站（33.4°N，119.2°E）及输电系统的参数，分析了2021年10月11日地磁暴期间在两座变电站监测到的GIC数据以及输电系统参数对GIC量值的影响。结果表明：地磁暴在500 kV上河变电站产生的GIC比阿拉坦变电站GIC量值相对较大。分析结果说明，在这次磁暴事件中，输电线路导线电阻是影响变电站GIC的主要因素。
- 地磁暴 /
- 地磁扰动 /
- 变电站 /
- 变压器 /
- 地磁感应电流
Abstract: In recent years, China has successively monitored the Geomagnetically Induced Current (GIC) data generated by geomagnetic storms against the power grid, railway track circuit as well as the oil and gas pipeline system, However, the measured GIC data are relatively few at present. According to the Geomagnetic Disturbance (GMD) data of geomagnetic storm with Kp index of 6 generated by CME on 9 October 2021, the parameters of 500 kV Alatan substation (48.7°N, 116.8°E), Shanghe substation (33.4°N, 119.2°E) and transmission system, the GIC data monitored in two substations during the geomagnetic storm on 11 October 2021, and the influence of transmission system parameters on the GIC value are analyzed. Results show that the GIC value produced by geomagnetic storm in 500 kV Shanghe substation is relatively larger than that in Alatan substation. The analysis results show that the conductor resistance of transmission line is the main factor affecting the GIC of substation in this magnetic storm event.
- Geomagnetic storm /
- Geomagnetic Disturbance (GMD) /
- Transformer station /
- Transformer /
- Geomagnetically Induced Current (GIC)

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图 1 阿拉坦站GIC和满洲里台站dH/dt数据随时间的变化

Figure 1. Time evolution of GIC and dH / dt data at Alatan station and Manchurian station

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图 2 上河站GIC与九峰地磁台数据比较

Figure 2. Comparison of GIC between Shanghe station and Jiufeng geomagnetic station

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图 3 九峰和满洲里地磁台站GMD数据比较

Figure 3. Comparison of GMD data between Jiufeng and Manzhouli geomagnetic stations

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图 4 扎鲁特–昌图大地电磁剖面数据

Figure 4. Geomagnetic profile data of Zarut-Changtu

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图 5 阿拉坦站GIC计算模型

Figure 5. GIC calculation model of Alatan station

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图 6 上河站GIC计算模型

Figure 6. GIC calculation model of Shanghe station

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表 1 江苏各地区岩石电性特征

Table 1. Rock electrical characteristics in Jiangsu province

岩性	电阻率/（Ω·m^–1）
陆相碎屑岩	6~40
砂泥岩	5~10
火山喷发岩	70~100
砂页岩、石英砂岩	10~100
海陆交互相灰岩、白云岩	250~350
海相灰岩	250~350
中、酸基性或超基性入侵岩	>1000

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表 2 500 kV和220 kV变电站电阻参数

Table 2. Resistance parameters of 500 kV and 220 kV substations

电压等级/kV	变压器直流电阻/Ω	变电站接地电阻/Ω
500	串联绕组 0.238	0.2
500	公共绕组 0.097	0.2
220	0.451	0.3

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表 3 阿拉坦站GIC模型输电线路参数

Table 3. GIC model transmission line parameters of Alatan station

电压等级/kV	线路位置	线路长度/km	回路数	导线型号
500 kV	阿拉坦–科尔沁	256.12	2	LGJ-6×300
	铝都–阿拉坦	33.21	2	LGJ-6×300
	霍林河坑口–铝都	15.8	2	LGJ-4×300
200 kV	昆都楞–阿拉坦	2.568	2	LGJ-400
	萨如拉–阿拉坦	40.36	2	LGJ-400
	阿拉坦–霍林河	52.98	2	LGJ-400
	阿拉坦–鲁北	117.11	1	LGJQ-400
	阿拉坦–北沙	32.44	2	LGJ-2×300

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表 4 上河站GIC模型输电线路参数

Table 4. GIC model transmission line parameters of Shanghe station

电压等级/kV	线路位置	线路长度/km	回路数	导线型号
500	上河–双泗	18.24	2	LGJ-6×400
	双泗–三堡	19.80	2	LGJ-6×400
	上河–任庄	41.8	2	LGJ-6×400
220	上河–安宜	4.09	2	LGJ-400
220	上河–黄塍	3.78	2	LGJ-400

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