云霄背靠背换流站接地系统设计

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摘要本文介绍云霄背靠背换流站接地系统的设计方案。基于换流站土壤电阻率的测试数据,对土壤结构进行建模分析,针对该站土壤结构模型及站址的场平设计方案,采用深井接地极和边坡外引接地网相结合的接地网设计方案,并通过仿真分析对比深井接地极和外引接地对换流站接地设计的影响。最后,通过现场实测数据验证了仿真分析数据的准确性,保证了该站接地设计方案的安全性和可靠性。

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	方乙君

关键词 ：背靠背换流站, 接地系统, 土壤电阻率, 深井接地极, 外引接地网

Abstract：This paper introduces the design scheme of grounding system of Yunxiao back-to-back converter station. Based on the test data of soil resistivity, this paper analyzes the soil structure by modeling. According to the soil structure model and the site leveling design scheme of the station, the grounding grid design scheme combining the deep well grounding electrode and the external grounding network of the slope is targeted. Through simulation analysis, the influence of the deep well grounding electrode and the external grounding network on the grounding design of the converter station is compared. Finally, the accuracy of the simulation analysis data is verified through on-site measurement data, ensuring the safety and reliability of the grounding scheme for this station.

Key words： back-to-back converter station grounding system soil resistivity deep well grounding electrode external grounding network

收稿日期: 2023-08-07

作者简介: 方乙君（1985—）,男,福建福州人,硕士,高级工程师,主要从事电网规划、变电站/换流站设计、电力技术经济分析工作。

引用本文:

方乙君. 云霄背靠背换流站接地系统设计[J]. 电气技术, 2023, 24(10): 39-43. FANG Yijun. Design of grounding system for Yunxiao back-to-back converter station. Electrical Engineering, 2023, 24(10): 39-43.

链接本文:

http://dqjs.cesmedia.cn/CN/Y2023/V24/I10/39