淺談輸配電線路覆冰及其消除措施
發(fā)布時間:2018-11-19 09:17
【摘要】:當(dāng)架空輸配電線路冰雪過多,線路導(dǎo)線、避雷線上出現(xiàn)嚴(yán)重覆冰時,首先是加重導(dǎo)線和桿塔的機械負(fù)荷,使導(dǎo)線弧垂過分增大,從而造成混線或斷線;當(dāng)導(dǎo)線、避雷線上的覆冰脫落時,又會使導(dǎo)線、避雷線發(fā)生跳躍現(xiàn)象,因而引起混線事故。此外,由于瓷瓶或橫擔(dān)上積聚冰雪過多,進而引起絕緣子的閃絡(luò)事故。本文對輸配電線路覆冰及其消除措施進行了研究。
[Abstract]:When there is too much ice and snow on overhead transmission and distribution lines and serious ice appears on line conductors and lightning lines, the mechanical load of conductors and towers is increased first, which results in excessive increase of wire sag, which results in mixed or broken wires. When the conductor and lightning line ice fall off, it will make the conductor and lightning line jump, thus cause the accident of mixed wire. In addition, due to excessive accumulation of ice and snow on the porcelain bottle or pole, the insulator flashover accident. The icing of transmission and distribution lines and its elimination measures are studied in this paper.
【作者單位】: 內(nèi)蒙古鄂爾多斯電業(yè)局東勝鐵西供電分局;
【分類號】:TM752
[Abstract]:When there is too much ice and snow on overhead transmission and distribution lines and serious ice appears on line conductors and lightning lines, the mechanical load of conductors and towers is increased first, which results in excessive increase of wire sag, which results in mixed or broken wires. When the conductor and lightning line ice fall off, it will make the conductor and lightning line jump, thus cause the accident of mixed wire. In addition, due to excessive accumulation of ice and snow on the porcelain bottle or pole, the insulator flashover accident. The icing of transmission and distribution lines and its elimination measures are studied in this paper.
【作者單位】: 內(nèi)蒙古鄂爾多斯電業(yè)局東勝鐵西供電分局;
【分類號】:TM752
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