110千伏華電（濰坊電廠）邵莊120MW光伏項目輸電線路工程項目環(huán)境影響評價報告書

—圖3.26。表SEQ表\*ARABIC39110kV單回架空線路工頻電磁場預(yù)測計算結(jié)果距線路中心距離（m）電場強(qiáng)度近似綜合值（V/m）電場強(qiáng)度垂直分量（V/m）電場強(qiáng)度水平分量（V/m）磁感應(yīng)強(qiáng)度（μT）-5034.6331024234.553272252.3501684670.332915008-4936.1836814936.098133092.4866759780.344180912-4837.8246803337.732990262.6320593360.355981201-4739.5619468739.463665012.7868535520.368346751-4641.4016761841.29632952.9516031740.381310076-4543.3503799443.237461093.1268527510.394905865-4445.4149055545.293891913.3131446840.409170032-4347.6024208147.472763063.5110156540.424141884-4249.9204368649.781570433.7209429740.439861417-4152.376712852.228057863.9433681960.45637235-4054.979209954.820178994.1786980630.47371906-3957.7361106957.566120154.4271974560.49194935-3860.655628260.474113464.6890201570.51111263-3763.7459602463.552379614.964144230.531260848-3667.015106266.808959965.252339840.552447557-3570.4708023170.251670845.5530805590.574728429-3474.1200485273.887603765.8655233380.598159909-3377.9691314777.723159796.1883988380.622800052-3282.0229034481.763359076.5199236870.648708045-3186.2848510786.011894236.8577342030.675942004-3090.7561569290.470207217.1987614630.704559088-2995.4352798595.137023937.5391249660.734615207-28100.3173752100.00787357.8740720750.766162157-27105.3932419105.07392888.1978425980.79924649-26110.6486816110.3214348.5036964420.833908737-25116.0635071115.73064428.7838363650.870179057-24121.6101761121.27448279.0297298430.908075869-23127.2531052126.91777049.2321567540.947602391-22132.9472656132.61581429.3819618230.988742709-21138.6373444138.31346139.4708967211.031458378-20144.2567444143.9440469.4931592941.075682521-19149.7273865149.42901619.4476814271.121317267-18154.959198154.67736829.3415498731.168226242-17159.8513794159.58671579.1947755811.216232181-16164.293335164.04409799.0462646481.265109658-15168.1678619167.92903148.9593763351.314583182-14171.355484171.11778269.0225324631.364322901-13173.7396088173.48851019.3375425341.413943529-12175.2149048174.92974859.9922513961.4630059-11175.6960144175.34947211.029596331.51101625-10175.1289368174.686935412.434559821.557438016-9173.5034332172.925933814.144446371.601696134-8170.8651886170.108001716.068120961.643190145-7167.3278809166.345947318.100984571.681313038-6163.082077161.834457420.133760451.715465426-5158.3989868156.855606122.057996751.74507916-4153.6230469151.772827123.770782471.769635201-3149.1519623147.011169425.179788591.444637656-2145.3965759143.014968926.208448411.168814301-1142.7236786140.184753426.800828931.0701034070141.390274138.802841226.925460821.1969757081141.4892273138.970626826.577548981.1920887232142.9280853140.584030225.779228211.3829178813145.4519806143.360427924.577836991.6990110874148.6993408146.90318323.042354581.7519849545152.269165150.777893121.258619311.7236591586155.7784271154.575256319.323862081.690661437158.9012146157.952148417.341125491.6535488378161.3868713160.649093615.413960461.6129144439163.0649567162.493392913.641030311.56936371310163.8395844163.391464212.109373091.52349793911163.6788635163.316543610.884737971.4758992212162.6022644162.29455579.9987487791.42711329513160.667511160.39004529.43852521.37764394314157.9589233157.69377149.1484956741.32794380215154.576828154.31178289.0479984281.27841150816150.6289673150.35656749.0547380451.2293907417146.2240753145.94055189.1013154981.18116998718141.4665985141.170999.1407375341.13398671219136.4535828136.14680489.1447172161.08803093420131.2725677130.95683299.0992269521.04344856721126.000412125.67857368.9999837881.00034785322120.7031097120.37831128.8488702770.95880329623115.4359283115.111298.651289940.91886019724110.2442856109.9226998.4143562320.88054144425105.1644669104.84851078.1458454130.8438479926100.224632399.916473397.8533453940.8087655312795.4459533795.147361767.5438880920.7752673032890.8434753490.555809027.2237310410.7433154582986.4273529186.151618966.8982796670.7128654723082.2033081181.940170296.5720515250.6838667393178.1737518377.923606876.2487540250.6562649013274.3382949874.101287845.931338310.6300029753370.6943893470.470481875.6220989230.6050230863467.23785467.026832585.3227767940.581266823563.9632110663.764766695.0345892910.5586761243660.8640708960.677776344.7583971020.5371938943757.9334716857.75885014.4947028160.5167642243855.1639671355.000488284.2437462810.4973334373952.5479698252.395080574.005557060.4788489644050.0778274549.934963233.7800009250.4612608854147.7459144647.612499243.5668220520.4445214874245.5447349545.420207983.3656275270.4285847844343.4669990543.3508113.1760215760.4134075644441.5056533841.397274022.9975206850.3989481634539.6539497439.552864072.8296165470.3851679864637.9054145837.811134342.6717903610.3720297224736.2538986236.165966032.5235183240.3594984414834.6935615534.611537932.3842728140.3475411834933.2188644433.14233782.2535433770.3361268345031.8246078531.75319292.1308288570.32522577圖STYLEREF2\s3.2SEQ圖\*ARABIC\s25110kV單回架空線路工頻電場強(qiáng)度趨勢圖圖STYLEREF2\s3.2SEQ圖\*ARABIC\s26110kV單回架空線路工頻磁場強(qiáng)度趨勢圖根據(jù)理論計算，當(dāng)110kV單回線路導(dǎo)線對地最小垂直距離為12m時，離地面1.5m高度處產(chǎn)生的最大工頻電場強(qiáng)度為175.6960144V/m，此后，隨著距離的增加，工頻電場強(qiáng)度減小，評價范圍內(nèi)工頻電場強(qiáng)度均小于4000V/m。在相同參數(shù)下，評價范圍內(nèi)距地面1.5m處，線路產(chǎn)生的最大工頻磁場強(qiáng)度1.769635201μT（位于線路中心線-4m處），小于磁感應(yīng)強(qiáng)度100μT。電磁環(huán)境影響評價綜合結(jié)論通過類比分析預(yù)測，本工程110kV升壓站建成投運后產(chǎn)生的工頻電場、工頻磁場能夠分別滿足《電磁環(huán)境控制限值》（GB8702-2014）4000V/m、100μT的公眾曝露控制限值。通過理論模式預(yù)測，本工程110kV輸出線路下方及附近區(qū)域的電磁環(huán)境影響能夠滿足相應(yīng)標(biāo)準(zhǔn)限值要求。電磁環(huán)境保護(hù)措施為盡可能減小本項目輸電線路對周邊電磁環(huán)境的影響，本評價提出以下電磁環(huán)境保護(hù)措施：1、在施工階段，進(jìn)一步優(yōu)化線路路徑，對沿線居民點進(jìn)行合理避讓。2、線路需嚴(yán)格按照《110kV～750kV架空輸電線路設(shè)計規(guī)范》（GB50545-2010）不低于本報告預(yù)測的最低高度進(jìn)行設(shè)計施工。3、施工時發(fā)現(xiàn)本線路下方有新建線路和其他建筑物時，要實測其線路和構(gòu)筑物高度、交叉角度，跨越最小距離（折算到最高氣溫）要滿足規(guī)程的要求，并及時通知建設(shè)單位和設(shè)計單位。4、施工過程中產(chǎn)生的電纜孔洞應(yīng)加裝防火封堵，受損的防火設(shè)施應(yīng)及時恢復(fù)，并由運維部門驗收。電纜敷設(shè)完畢后，電纜出入隧道處均應(yīng)實施阻火防水封堵。電纜防火阻燃材料技術(shù)參數(shù)應(yīng)符合現(xiàn)行國家標(biāo)準(zhǔn)《防火封堵材料的性能要求和試驗方法GA161》的有關(guān)規(guī)定。5、電纜固定：電纜夾層內(nèi)水平敷設(shè)時的電纜，直線段固定點間距6米，且在電纜的首末兩端及轉(zhuǎn)彎處均應(yīng)予以固定；垂直敷設(shè)或超過45゜傾斜敷設(shè)的電纜，應(yīng)在每個支架上予以固定；電纜在斜坡敷設(shè)時，視坡度情況在高位適當(dāng)增加固定點。6、直埋電纜周圍泥土中，不應(yīng)含有腐蝕電纜的物質(zhì)。直埋電纜外皮至地面深度，不得小于0.7m；當(dāng)位于車行道時，應(yīng)適當(dāng)加深，且不宜小于1m。直埋敷設(shè)的電纜，嚴(yán)禁將電纜平行敷設(shè)于其他管道的正上方或下方。7、固定電纜用的夾具、扎帶、捆繩和支托件，應(yīng)具表面光滑、便于安裝、足夠的機(jī)械強(qiáng)度和適合使用環(huán)境的耐久性。電纜扎帶選擇與應(yīng)用、技術(shù)要求、試驗方法等應(yīng)符合《電纜扎帶設(shè)計技術(shù)標(biāo)準(zhǔn)DLGJ129—96》的規(guī)定。8、電纜附件中金屬層的接地方法應(yīng)符合《電力設(shè)備預(yù)防性試驗規(guī)程DL/T596-1996》的規(guī)定（特別注意110kV電纜終端的鎧裝層和銅屏蔽