In the substation of mianyang , a majority of 35kv lines power the military plants for scientific research or manufacture . for the line corridor was a mountainous area with complex landform and high soil resistivity , the line lightning protection measure was weak 綿陽電業(yè)局有很多是為眾多重要軍工科研生產(chǎn)單位提供供電的35kv線路,線路走廊往往多為山區(qū),所經(jīng)地區(qū)地形情況十分復(fù)雜,土壤電阻率也較高。
So it was worth studying synthetic lightning protection measures on demonstration of the situation of the mianyan bureau ' s 35kv lines . on the basis of collecting and summarizing the lightning protection data of our 35kv lines , this paper mainly analyzed the lightning protection status of 35kv line 本論文所研究的主要內(nèi)容就是通過收集、總結(jié)我局35kv線路防雷運行資料,分析35kv線路防雷現(xiàn)況,并以我局典型的游仙分局35kv魏玉線路為研究對象,通過對該線路每基桿塔的現(xiàn)場實測數(shù)據(jù)來利用波過程理論建立數(shù)值計算模型。
It is found that , for the specialty of our 35kv lines , we should adopt synthetic lightning protection measures of power lines as the traditional measure could hardly keep up with the lightning protection requirement for its low line lightning protection level , high stripping outrage and bad maintenance 通過研究發(fā)現(xiàn),目前由于綿陽局35kv線路的特殊性, 35kv線路普遍存在采用傳統(tǒng)的防雷措施線路耐雷水平不高、雷擊跳閘率偏高、運行維護(hù)也較為困難等問題,難以滿足生產(chǎn)上的防雷要求,需對現(xiàn)行線路進(jìn)行防雷綜合措施的處理。