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立春之后,边城乌鲁木齐的气温开始回升。在乌鲁木齐市西山地区220干伏红满一线83号杆,高大的电力塔架上被誉为高压电缆“医生”的电力工人正在对线路所在地域的污染状况进行盐密测试。通过这种手段,乌鲁木齐电业局可以衡量本地电网运行的安全性。盐密检测是将电力塔架上的盐密样本卸下,运回电业局本部后进行分析,然后根据分析得出的当地污染程度,采取针对性地改善电力线路绝缘水平的措施。这种盐密检测一般在冬季和春节比较常见。
After the beginning of spring, the temperature in Urumqi, the border town, began to rise. In the No. 83 line of the 220 dry red full line in the Xishan area of Urumqi, high-voltage power cables and “doctors” on the tall power towers are conducting salt-tight tests on the pollution of the area where the line is located. By this means, the Urumqi Electric Power Bureau can measure the safety of the local grid operation. The salt-tight inspection is to remove the salt-tight sample from the power tower, return it to the headquarters of the Electric Power Bureau for analysis, and then take measures to specifically improve the insulation level of the power line based on the analysis of the local pollution level. This salt-tightness test is generally more common in winter and Spring Festival.