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区供电公司开展输变电设备联合夜巡为设备“诊脉”

2017-08-04 07:09:31   中国青年网

晚上下班回家,空调、WiFi、西瓜,应当是酷暑高温天气时最美好的场景吧。但有那么一群人,却选择在夜晚出发,在夜色中前行,为富阳的千家万户提供用电安全保障,他们就是富阳区供电公司的工作人员。7月24日晚,笔者追随他们的脚步,记录酷暑夜巡工作。

晚上9点20分,经过一日的烈日暴晒,晚间的空气中仍然弥漫着一种烈日的味道,气温依旧在39℃徘徊。

此时,区供电公司30余名职工穿着长袖长裤,头戴安全帽,正兵分十路开展输变电设备联合夜巡检查活动。对所辖110千伏、35千伏线路以及城区重负荷变电站进行特巡和红外测温测负荷。重点对各电气连接点、变压器、开关、闸刀、二次端子排等设备进行排查,看是否存在闪络、发热和放电现象。所有检查结果详细录入设备“健康档案”,为缺陷和隐患的消除提供有力的基础数据。

“导线A相连接节温度22℃,B相连接节点温度26℃,二者温度相差在5℃以内,都是安全范围。”9点46分,一名工作人员手持仪器对着杆塔上的线网进行远程测试。仪器屏幕上数字和颜色都在不断变化,这是夜巡中最重要的一环“红外测温”。

工作人员表示,红外测温在白天无法进行。“白天太阳光太强且有辐射,影响红外测温的精准度,而且夏季晚上7点到12点,降温负荷比较大,这段时间电线也容易发红发热,在黑夜的映衬下,夜巡更容易发现其存在的一些问题。”

夜里11点半,在城区一处车间里。区供电公司的工作人员,正在用仪器给高压开关柜进行测试,看是否有异常发热或局部放电现象。之后又走上街头,对所属线路一一检查,这样的检查将持续到夜间12点左右。

据悉,接下来区供电公司还将继续对辖区内的供电设备进行每天跟踪测温,随时掌握各设备在高温高负荷下运行工况的一手资料,杜绝灾热天气中设备“带病上岗”,确保富阳居民清凉度夏。 张京 汪晓池

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