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首秦公司110kV變電所接地工程
發布時間：2020-07-02 瀏覽次數：2515次
首秦公(gong)司(si)(si)(si)110kV變電所(suo)接地工(gong)(gong)(gong)(gong)程(cheng)由于(yu)土壤電阻率高、面積小(xiao)、施(shi)工(gong)(gong)(gong)(gong)難(nan)度大，一度成為(wei)項(xiang)目的難(nan)關。長威(wei)公(gong)司(si)(si)(si)技術人員(yuan)(yuan)經過(guo)現場(chang)勘測，設計出一套完整(zheng)的接地工(gong)(gong)(gong)(gong)程(cheng)方案，而且工(gong)(gong)(gong)(gong)期、費用(yong)合理，從(cong)而在(zai)招標會上(shang)一舉中標。在(zai)施(shi)工(gong)(gong)(gong)(gong)中，長威(wei)公(gong)司(si)(si)(si)工(gong)(gong)(gong)(gong)程(cheng)技術人員(yuan)(yuan)層(ceng)層(ceng)把(ba)關，嚴守施(shi)工(gong)(gong)(gong)(gong)質量，嚴格(ge)按(an)合同辦事，按(an)質按(an)期完成接地工(gong)(gong)(gong)(gong)程(cheng)，各(ge)項(xiang)指標均滿足設計要(yao)求，并順利通過(guo)竣工(gong)(gong)(gong)(gong)驗收(shou)！
根據實測(ce)土壤電阻(zu)率(lv)為377Ω·m，站區面積為7200m2，水平接(jie)(jie)(jie)(jie)地(di)(di)(di)網接(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)阻(zu)R大于(yu)2Ω。對于(yu)R≤0.5Ω的(de)接(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)阻(zu)要(yao)求差別較大。經過現場勘測，公司工程(cheng)技術部(bu)分析認為(wei)該地(di)(di)(di)網可(ke)以(yi)采(cai)用立(li)體地(di)(di)(di)網來在(zai)有限的(de)面積內大幅度(du)降阻(zu)，但要(yao)接(jie)(jie)(jie)(jie)近達到“R≤0.5Ω的(de)接(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)阻(zu)”的(de)目標值(zhi)還(huan)有一定差距(ju)，為(wei)進一步有效降阻(zu)，工程(cheng)技術部(bu)采(cai)用長威(wei)公司的(de)接(jie)(jie)(jie)(jie)地(di)(di)(di)降阻(zu)劑產品，工程(cheng)完(wan)工后，驗收接(jie)(jie)(jie)(jie)地(di)(di)(di)電(dian)阻(zu)實測值(zhi)為(wei)R=0.37Ω。
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