采用土壤电位梯度法和管地电位连续监测法，测试了500kV超高压变电站内杂散电流的干扰强度，结果表明变电站内有不超过中等强度的杂散电流，同时，杂散电流与变电站电压等级没有明显相关性，而与变电站内电气设备的运行状况、电气装置的设计安装等因素相关。
Stray current in an ultra high voltoge（UHV） substation was monitored by the detection technique of soil voltage gradient and continuous monitoring of pipe-soil potential. The results show that the effect of stray current was in moderate intensity. The results also indicated that the stray current was not related to the voltage classes of the substation, but to the running status, design and install technology of electrical equipments.
参考文献
| [1] | 郑敏聪.杂散电流对变电站接地网材料耐蚀性的影响[J].腐蚀与防护,2010(04):294-296. |
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