220kV变电站接地电阻计算及接触电压和跨步电压校验  

220kV Substation Calculation of Grounding Resistance and Verification of Touch Voltage and Step Voltage

作　　者：杨坤 Yang Kun(China United Engineering Corporation Limited,Hangzhou 310056,China)

机构地区：[1]中国联合工程有限公司,杭州310056

出　　处：《智能建筑电气技术》2022年第5期45-49,共5页Electrical Technology of Intelligent Buildings

摘　　要：以浙江石油化工有限公司舟山绿色石化基地厂区220kV变电站的实际工程数据为例,详细阐述变电站接地网接地电阻的计算和校验方法,采用软件计算接地网的接地电阻,并对地电位升高值、接触电压和跨步电压是否满足规范要求进行校验。Based on the actual engineering data of the 220 kV substation of Zhoushan Green Petrochemical Base of Zhejiang Petroleum Chemical Co., Ltd.. This paper expounds the calculation and verification method of the grounding resistance of the substation grounding grid, and uses software to calculate the grounding resistance of the grounding grid, and verify whether the ground potential rise value, touch voltage and step voltage meet the specification requirements.

关 键 词：变电站 接地电阻计算 接触电压 跨步电压 

分 类 号：TU856[建筑科学]