摘要
针对某220 kV GIS变电站接地网提出了一种变电站接地网设计优化方法。首先根据勘测的土壤电阻率,反演出土壤分层情况,然后对斜井设计方案进行优化,调整斜井角度,最后对接地网安全性能进行评估。评估结果表明,该接地网方案满足规范要求,可保障变电站人身及设备安全,节省工程投资。
A design optimization method of substation grounding grid is proposed for a 220 kV GIS substation grounding grid.Firstly,the soil stratification is deduced from the surveyed soil resistivity.Secondly the design scheme of the inclined shaft is optimized and the inclined shaft angle is adjusted.Finally,the safety performance of the grounding grid is evaluated.The evaluation results show that the grounding grid scheme meets the code requirements,which can ensure the safety of people and equipment in the substation,and save the project investment.
作者
龚志辉
GONG Zhihui(Guangdong Nanhai Electric Power Design Institute Engineering Co.,Ltd.,Foshan 528000,China)
出处
《山东电力高等专科学校学报》
2023年第2期1-4,共4页
Journal of Shandong Electric Power College
关键词
接地网设计
接地电阻
接地网电位
地网评估
grounding grid design
grounding resistance
grounding grid potential
grounding grid evaluation
