專題評價報告項目名稱：富民縣赤鷲（羅免）光伏電站接網工程建設單位（蓋章）：云南電網有限責任公司昆明供電局編制日期：二O二二年五月i -1- -3- -3- -3- -3- -4-3、工程概況及工程分析 -5- -5-3.1.1建設內容及項目組成 -5-3.1.2線路交叉跨越情況 -7- -9- -9-4、評價因子、評價范圍、評價標準及評價方法 -11- -11- -11- -11- -11- -12- -12-5、電磁環境影響現狀調查與評價 -14- -14- -15- -15- -15-6、電磁環境影響預測與評價 -19- -19-6.1.1架空輸電線路電磁環境影響理論預測 6.1.2輸電線路電磁環境影響分析小結 -46- -48- -49- -51- -52- -52- -52- -52- -52- -53- -53-2020年中央經濟工作會議將“做好碳達峰、碳中和水平面年太陽總輻射資源量1440千瓦時/平米，傾斜面年太陽總輻射資源量1555千瓦時/平米，測算太陽能發電潛力為2400億千瓦時/年。擁有較好資源“十四五”期間隨著云南高載能用戶的大量投產和西電東送規模的持續增公司編制了《富民縣赤鷲（羅免）光伏電站接網工程可行性研究報告》，同年（HJ24-2020），本工程環境影響評價設置電磁環境影響專題評價報告。接受評2、編制依據2.1相關法律、法規），（5）《建設項目環境影響評價分類管理名錄（2021年版）》（生態環境）；（6）《建設項目環境保護管理條例》，中華人民共和國國務院令第6822.2環境影響評價有關標準、技術規程）；）；）；）；）；2.3設計的規程、規范（1）《輸電線路對電信線路危險和干擾影響防護設計規程》）；）；）；）；2.4工程技術資料3、工程概況及工程分析3.1.1建設內容及項目組成本工程分為線路工程和對側變電站間隔兩部分：富民縣擬建赤鷲(羅免)光伏電站升壓站220kV出線構架，終點為昆明市五華區西翥街道平地下村東側已建500kV廠口變220kV進線構架，線路長度約本期利用500kV廠口變電站內自東向西的第三個220kV預留出線間隔，接注：擬建赤鷲(羅免)光伏電站升壓站相關內容另行委托具備環境影響評價能力的單位進行環境影響評價，本次評價不再重復評價。本期新建間隔位置（500kV廠口變）表3-2主要工程內容及規模工程分類工程內容建設規模主體工程線路工程220kV輸電線起點為云南省富民縣擬建赤鷲(羅免)光伏電站升壓站220kV出線構架，終點為昆明市五華區西翥街道平地下村東側已建500kV廠口變220kV進線構架，單回路架設，線路路徑長約46.5km，其中2×300mm2導線段16.4km，2×500mm2導線段30.1km。光纜通信隨本次新建線路上方架設兩根48芯OPGW光纜。進廠口站約7公里采用2根OPGW-120，其余段采用2根OPGW-100。塔基工程塔基10mm、15mm冰區直線塔采用貓頭塔、耐張塔采用干字型塔；20mm冰區直線塔采用酒杯塔、耐張塔采用干字型塔。共新建鐵塔150基，其中，直線塔87基、耐張塔63基。對側變電站工程在500kV廠口變電站內利用220kV出線間隔1個，占用自東向西的第三個220kV預留出線間隔，采用瓷柱式SF6斷路器，建設配套繼電保護及安全自動裝置、調度自動化、電能量計量系統、通信工程等二次設施臨時工程料場工程施工過程中使用的混凝土粗、細骨料及塊石料從所在鎮區合法料場購買，施工現場不設置取土場和砂石料加工系統棄渣場工程施工期產生土石方開挖總量19565m3（其中表土剝離4600m3，一般土石方14965m3產生的表土用于施工后生態恢復使用，其余土石方用于塔基回填、塔基周邊護坡使用，無永久棄渣產生，不設置取土場和永久棄渣場施工營地施工現場不設置集中施工生活營地，施工人員生活依托周邊集鎮、民房自行解決；本工程分段施工，塔基澆筑采用人工現場拌和，拌和點位于各塔基施工點，不設置集中混凝土生產加工營地。根據工程設計，施工期所用鐵塔等直接購買供應商生產的成品使用，施工期施工材料堆放塔基施工處，不另設施工營地，施工結束后進行恢復治理臨時施工場地本工程設置臨時塔基施工區150處、臨時牽張場6處、臨時跨越施工場地3處。施工結束后進行恢復治理環保工程施工物料采用篷布覆蓋、遮擋密目網1500m2，柔性防護網1200m2施工臨時截排水等水保措施臨時排水溝856m陡坡塔基設置的漿砌石擋土墻、護坡、漿砌石擋土墻、護坡共計2600m2；漿砌排水溝400m排水溝塔基安全警示牌、電力設施保護標識牌塔基安全警示牌45個、電力設施保護標識牌45個臨時占地植被恢復塔基施工區、牽張場、跨越施工場地施工結束后進行植被恢復，面積20946m2。表3-2本工程主要技術指標序號項目富民縣赤鷲（羅免）光伏電站接網工程1線路長度新建線路全長約46.5km，新建桿塔150基。2線路架設方式單回路架設3面積永久11844m29102m2合計20946m24導線型號2×300導線段采用2×JL/LB20A-300/40鋁包鋼芯鋁絞線，2×500導線段采用2×JL/LB20A-500/45鋁包鋼芯鋁絞線5排列方式三角排列、水平排列6動態投資9663萬元3.1.2線路交叉跨越情況表3-3本工程線路主要交叉跨越情況表序號名稱跨(穿)越桿號跨(穿)越次數備注地點1±800kV楚穗直流#108-#109石羊廄2500kV廠口至七甸I回線#002-#003秧草塘3500kV龍廠甲線#162-#1634500kV龍廠乙線#164-#1655220kV廠中線（與#18-#19丁家麥塘6220kV廠赤I回線#37-#38何家麥塘7220kV廠新I回線#58-#59魯世達8220kV赤獅線#26-#27線路遠期開斷接入擬建三多變，該段拆除荒田村935kV款散線魯世達35kV崇款白東線莫衣龍、馬龍汪表3-4220kV輸電線路導線與其它設施交叉時安全距離要求序號線路經過區域/被跨越物名稱備注1居民區7.5最大弧垂情況下，導線對地面的最小距離2非居民區6.53交通困難地區5.54步行可以到達的山坡5.5最大風偏情況下，導線與山坡、峭壁和巖石的最小凈空距離5步行不能到達的山坡、峭壁和巖石4.06建筑物6.0最大弧垂情況下，導線與建筑物之間的最小垂直距離5.0最大風偏情況下，邊導線與建筑物之間的最小凈空距離2.5無風情況下，邊導線與建筑物之間的水平距離7樹木4.5當跨越時，導線與樹木之間（考慮自然生長高度）的最小垂直距離4.0最大風偏情況下，輸電線路通過公園、綠化區或防護林帶，導線與樹木之間的最小凈空距離8果樹、經濟作物、城市綠化灌木及街道樹3.5輸電線路通過果樹、經濟作物、城市綠化灌木及街道樹時，與樹木之間的最小垂直距離9鐵路8.5至軌頂4.0至承力索或接觸線公路（高速公路、一級~四級公路）8.0至路面通航河流7.0至5年一遇洪水位3.0至最高航行水位的最高船桅頂不通航河流4.0至百年一遇洪水位6.5冬季至冰面弱電線路220kV5.0至被跨越弱電線路，電力線路架設在弱電線路上方。電力線路5.0至被跨越電力線路，電壓等級較高的線路架設在電壓等級較低的線路上方。220kV7.0330kV9.0500kV750kV根據工程擬建線路設計方案，擬建線路與交叉跨越物間最小距離均符合3.3施工設計環保對策措施（3）進行線路路徑協調工作，避開城鎮規劃區、開發區、居民區、軍事設施、廠礦、大型采石場等重要區域，將區域環境（5）盡量避開自然保護區、國有林場、水庫水源林、風景區等，在路徑選（7）根據工程特點合理規劃設計使用檔距大，根開小的塔型，從而減小線（8）為了保持自然地形、地貌。鐵塔采用全方位長短腿設計，配合全方位（9）設計時注意填挖平衡，減少土石方量，減少借土和棄土。基面和基坑4、評價因子、評價范圍、評價標準及評價方法表4-1電磁環境公眾曝露控制限值時段環境要素評價因子現狀評價因子預測評價因子運營期電磁環境影響工頻電場強度（kV/m）工頻磁感應強度(μT）工頻電場強度（kV/m）工頻磁感應強度(μT）根據《環境影響評價技術導則輸變電》（HJ24-2020），電磁環境評價工表4-2電磁環境評價工作等級劃分表分類電壓等級工程條件評價等級交流220kV輸電線路邊導線地面投影外兩側各15m范圍內無電磁環境敏感目標的架空線路三級邊導線地面投影外兩側各15m范圍有電磁環境敏感目標的架空線路二級），表4-3電磁環境公眾曝露控制限值頻率范圍電場強度E（V/m）磁感應強度B(μT）0.025kHz~1.2kHz200/f5/f輸電線路工作頻率（0.05kHz）4000V/m（4kV/m）100μT（0.1mT）注：1、頻率f的取值為0.05kHz。2、架空輸電線路線下的耕地、園地、牧草地、畜禽飼養地、養殖水面、道路等場所，其頻率50Hz的電場強度控制限值為10kV/m，且應給出警示和防護指示標志。本工程220kV輸電線路電磁環境為二級評價，根據《環境影響評價技術導處的典型線位電磁環境現狀可實測，也可利用評價范圍內已有的最近3年內的本次評價對220kV輸電線路電磁環境現狀采用現狀實測數據進行評價；運營期輸電線路電磁環境影響預測采用《環境影響評價技術導則輸變電》表4-4電磁環境保護目標一覽表層眾暴露控制限值4kV/m房房房村房房房房5、電磁環境影響現狀調查與評價5.1布點原則及監測布點）：的布點方法以定點監測為主，線路小于100km沿線電磁環境現狀監測點位最少表5-1工程現狀監測點位布設一覽表序號測點位置監測內容1擬建擬建220Kv赤鷲升壓站場址中心2500kV廠口變電站東、南、西、北圍墻外5m處3秧草塘水泵房1#4丁家麥塘2#5寶石洞水庫管理用房3#6石羊廄小村4#7石羊廄5#8魯世達6#9肖家村種植戶看守房7#±800kV楚穗直流交叉處8#500kV廠口至七甸I回線交叉處9#500kV龍廠甲線交叉處10#500kV龍廠乙線交叉處11#220kV廠中線（與220kV廠赤I回線同塔）交叉處12#220kV廠赤I回線交叉處13#220kV廠新I回線交叉處14#220kV赤獅線交叉處15#工程跨越S102省道處16#本工程新增間隔處垂直于500kV廠口變電站址圍墻外1m、5m、10m、15m、20m、25m、30m、35m、40m、45m、50m（17＃-28#)注：E－工頻電場強度、B－工頻磁感應強度。5.2監測布點的合理性、代表性分析本工程輸電線路沿線主要為山地和丘陵，沿線電磁環境、聲環境處于相當水平。本次監測的監測點位布置于工程起止點及小于100km沿線電磁環境現狀監測點位最少為2個要求，能夠反映輸電線路沿委托監測單位中博源檢測（云南）有限公司按照《表5-2監測期間氣象條件溫度(℃)濕度（RH%）測量高度晴11.5-27.545-52表5-3工頻電場強度、工頻磁感應強度現狀監測結果序號測點位置2022.03.06-07工頻電場強度（V/m）工頻磁感應強度(μT）1擬建220Kv赤鷲升壓站場址中心0.132500kV廠口變電站東圍墻外5m處2.43500kV廠口變電站南圍墻外5m處3.21500kV廠口變電站西圍墻外5m處500kV廠口變電站北圍墻外5m處0.643秧草塘水泵房1#4丁家麥塘2#7020.695寶石洞水庫管理用房3#4.56石羊廄小村4#2.690.17石羊廄5#0.088魯世達6#5.819肖家村種植戶看守房7#±800kV楚穗直流交叉處8#40.7500kV廠口至七甸I回線交叉處9#3.25500kV龍廠甲線交叉處10#500kV龍廠乙線交叉處11#2.25220kV廠中線（與220kV廠赤I回線同塔）交220kV廠赤I回線交叉處13#220kV廠新I回線交叉處14#0.57220kV赤獅線交叉處15#7260.71工程跨越S102省道處16#本工程新增間隔處垂直于500kV廠口變電站址圍2.220本工程新增間隔處垂直于500kV廠口變電站址圍墻外5m21本工程新增間隔處垂直于500kV廠口變電站址圍墻外10m22本工程新增間隔處垂直于500kV廠口變電站址圍墻外15m23本工程新增間隔處垂直于500kV廠口變電站址圍墻外20m24本工程新增間隔處垂直于500kV廠口變電站址圍墻外25m25本工程新增間隔處垂直于500kV廠口變電站址圍墻外30m86226本工程新增間隔處垂直于500kV廠口變電站址圍墻外35m78727本工程新增間隔處垂直于500kV廠口變電站址圍墻外40m70428本工程新增間隔處垂直于500kV廠口變電站址圍墻外45m97429本工程新增間隔處垂直于500kV廠口變電站址圍墻外50ma擬建220Kv赤鷲升壓站：擬建220Kv赤鷲升壓站場址d500kV廠口變電站：500kV廠口變電站界外工頻電場強度在1229~本期利用500kV廠口變電站預留間隔處1～50m工頻電場強度為704~a擬建220Kv赤鷲升壓站：擬建220Kv赤鷲升壓站場址b保護目標：工程沿線保護目標工頻磁感應值為1.7μT，滿足《電磁環境控制限值》（GB8702-2《電磁環境控制限值》（GB8702-2014）中工頻磁感應強度公眾曝露控制限值d500kV廠口變電站：500kV廠口變電站界外工頻磁感應強度在0.64~本期利用500kV廠口變電站預留間隔處1～50m工頻磁感應強度為1.45~6、電磁環境影響預測與評價6.1架空輸電線路電磁環境影響預測分析6.1.1架空輸電線路電磁環境影響理論預測6.1.1.1架空輸電線路工頻電場預測模型「λλ21「λλ21|2|2|:λ…λ]「Q]λnλ…λ]「Q]λn2…λnn為計算地面電場強度的最大值，通常取設計最大弧垂時導線的最小對地高Ex=Qi(xxi)Ey=Qi(yyi)Li、L'i——分別為導線I及鏡像至計算點的距離，m。Ix1x2x3xH=x1x2x3xH=H+H+H xyy1y2 xyH=H2+H2為了與環境標準相對應，需要將磁場強度轉B=μ0H；μ0——常數，真空中磁導率(μ0=4π×10-7H/m）。6.1.1.2工程輸電線路模式預測參數表6-1工程塔型一覽表鐵塔塔型導線截面積導線直徑分裂分裂方式排列方式設計最低呼高/m10mm冰區2C1Y5-ZM12×300mm223.9mm400mm雙分裂三角2C1Y5-ZM22C1Y5-ZM32C1Y5-ZM42C1Y5-J12C1Y5-J22C1Y5-J32C1Y5-J42E1Y5-ZMH12×500mm230mm500mm2E1Y5-ZMH22E1Y5-ZMH32E1Y5-ZMH42E1Y5-J12E1Y5-J22E1Y5-J32E1Y5-J415mm冰區2E1Y6-ZMH12×500mm230mm500mm三角2E1Y6-ZMH22E1Y6-ZMH32E1Y6-ZMH42E1Y6-J12E1Y6-J22E1Y6-J32E1Y6-J420mm冰區2C1Y3-Z12×300mm223.9mm400mm水平2C1Y3-Z22C1Y3-J12C1Y3-J22C1Y3-J3綜合對比分析，三角排列電磁最不利影響塔型為間距最大的2E1Y6-J4塔型，水），表6-2理論計算選擇導線及參數線路參數富民縣赤鷲（羅免）光伏電站接網工程線路220KV800A導線型式JL/LB20A-500/45鋁包鋼芯鋁絞線2×JL/LB20A-300/40鋁包鋼芯鋁絞線直徑3023.9分裂間距500400排列方式三角排列水平排列導線對地高度非居民區6.5m居民區7.5m、8m、9m非居民區6.5m居民區7.5m、9m、10m主要塔型2E1Y62C1Y3平）），表6-2工頻電場預測計算結果距離線路對地6.5m時地面高度1.5m處工頻電場綜合強度（kV/m）線路對地凈空7.5m時地面高度1.5m處工頻電場綜合強度（kV/m）線路對地凈空8m時地面高度1.5m處工頻電場綜合強度（kV/m）線路對地凈空9m時地面高度1.5m處工頻電場綜合強度（kV/m）-500.06990.07080.07250.0739-490.07280.07380.07570.0772-480.07580.07710.07900.0807-470.07910.08060.08260.0845-460.08270.08430.08640.0886-450.08650.08840.09060.0931-440.09060.09280.09500.0979-430.09500.09750.09990.1031-420.09980.10270.10520.1088-410.10490.10830.11090.1150-400.11060.11450.11720.1218-390.11680.12130.1293-380.12350.12870.13170.1376-370.13100.13700.14020.1468-360.13930.14620.14950.1570-350.14850.15640.15990.1684-340.15870.16800.17160.1812-330.17030.18090.18480.1956-320.18330.19560.19970.2119-310.19820.21240.21660.2304-300.21520.23160.23600.2516-290.23490.25370.25840.2758-280.25760.27940.28420.3037-270.28430.30930.31420.3360-260.31570.34440.34930.3735-250.35310.38580.39060.4173-240.39770.43500.43940.4686-230.45160.49370.49750.5289-220.51700.56410.56690.6001-210.59710.64910.65010.6843-200.69570.75220.75050.78410.81810.87760.87180.90260.97071.03081.01881.04331.16211.21811.19701.20971.40291.44731.41251.40581.70621.72651.67191.63462.08752.06441.89802.56302.46732.34352.19483.14652.93672.75702.51863.84143.46263.20922.85534.62634.01603.67193.18025.43394.54054.09613.45786.13244.95074.41363.64446.53775.14754.54993.69716.48785.05424.45023.58655.94714.65584.10393.30805.03654.00923.55202.88543.95363.21792.87292.36782.89002.40542.16881.8283-12.04761.73811.59121.388701.76301.51081.40751.254712.24341.90001.76271.527923.17472.63492.41382.030534.26713.46173.13592.585845.33384.23483.80323.095556.17904.83594.32133.495166.61425.16954.61963.742076.55235.19484.66843.818786.06644.94384.48983.736195.33264.50184.14513.52744.52533.96663.70833.23633.75913.41663.24322.90493.08802.90112.79392.56622.52652.44402.38482.24252.06852.05222.02611.94631.69991.72331.71901.68311.40501.45071.45991.45371.16951.22601.24321.25630.98111.04131.06291.08770.82980.88960.91300.9445200.70770.76470.78840.8230210.60860.66150.68460.7201220.52780.57600.59780.6328230.46130.50480.52510.5586240.40640.44520.46390.4954250.36060.39510.41220.4413260.32230.35270.36830.3950270.28990.31660.33080.3552280.26230.28580.29860.3208290.23870.25940.27090.2909300.21840.23650.24690.2650310.20080.21660.22600.2423320.18540.19920.20770.2223330.17190.18400.19170.2048340.15990.17060.17750.1893350.14930.15860.16500.1755360.13990.14800.15380.1632370.13140.13850.14380.1522380.12370.13000.1348390.11680.12230.12670.1335400.11050.11530.11930.1255410.10470.10900.11270.1182420.09940.10320.10660.1115430.09460.09790.10100.1055440.09010.09300.09600.1000450.08600.08860.09130.0949460.08220.08440.08690.0902470.07860.08060.08300.0859480.07530.07700.07920.0819490.07220.07370.07580.0782500.06930.07060.07260.0748圖6-1導線對地凈空高度6.5m時線下工頻電場強度分布曲線（距地1.5m）圖6-2導線對地凈空高度7.5m時線下工頻電場強度分布曲線圖（距地1.5m）圖6-3導線對地凈空高度8m時線下工頻電場強度分布曲線圖（距地1.5m）圖6-4導線對地凈空高度9m時線下工頻電場強度分布曲線圖（距地1.5m）在地面1.5m高度處產生的最大工頻電場強6.66142kV/m，滿足線路為此，本次評價要求：工程下步施工設計時，三角排列架空輸電線路經過），表6-3工頻磁場預測計算結果距離（m）線路對地6.5m時地面高度1.5m處工頻磁感應綜合強度(μT）線路對地凈空7.5m時地面高度1.5m處工頻磁感應綜合強度(μT）線路對地凈空8m時地面高度1.5m處工頻磁感應綜合強度(μT）線路對地凈空9m時地面高度1.5m處工頻磁感應綜合強度(μT）-505.60355.58835.57985.5612-495.72035.70415.69515.6754-485.84215.82495.81545.7944-475.96925.95105.94085.9184-466.10216.08266.07186.0479-456.24106.22036.20876.1833-446.38656.36436.35206.3247-436.53916.51536.50206.4728-426.69916.67366.65936.6280-416.86736.83986.82456.7908-407.04437.01466.99816.9618-397.23077.19867.18087.1416-387.42737.39267.37337.3308-377.63517.59747.57647.5303-367.85507.81397.79107.7408-358.08818.04328.01827.9634-348.33568.28638.25908.1990-338.59898.54478.51478.4488-328.87968.81988.78668.7141-319.17959.11339.07658.9963-309.50069.42699.38619.2970-299.84539.76299.71739.6180-2810.216210.123610.07259.9614-2710.616410.512010.454310.3294-2611.049610.931010.865810.7246-2511.520011.384511.310211.1499-2412.032411.876611.791411.6084-2312.592612.412312.314112.1038-2213.207612.997212.883112.6401-2113.885313.637913.504313.2215-2014.635514.341714.184113.852815.469615.117414.929914.538916.401215.974415.749415.284517.446216.923316.650716.093918.623017.974817.641516.970119.952119.138918.727817.913421.454120.422119.911418.919223.146121.823621.185719.975225.032223.326622.529621.057627.085224.886923.897822.125729.213726.416325.210323.119231.216227.767826.346523.958832.746828.739927.153524.556633.367729.123227.484624.838532.759828.794327.262024.773830.983027.806226.532424.397328.503726.394125.470023.809525.939524.886824.320023.151623.810723.599023.325922.5701-122.461422.767022.678722.1860022.078922.529122.492922.0751122.713022.923022.800322.2585224.280323.885823.548222.7010326.557125.254324.601723.3144429.155326.769325.753923.9689531.516428.104626.754624.5161633.031728.943827.369424.8218733.320129.091827.452524.8004832.432128.544526.991324.4344930.743827.456926.087023.768228.683126.043824.893322.881926.559824.495423.557121.863024.543222.943122.189120.786422.704721.462720.859419.707621.061320.090019.606518.662319.604418.836918.447117.671418.315417.701817.385016.744817.173316.676916.417315.885416.158315.752015.537215.092215.252514.916214.736914.36192014.440614.159414.008313.69002113.709513.472113.343713.07162213.048312.846112.736212.50192312.447712.274012.179311.97632411.900011.749711.667411.49052511.398711.267711.195811.04062610.938010.823210.760010.62312710.513410.412110.356210.23502810.120910.03109.98139.8734299.75689.67679.63239.5357309.41829.34659.30679.2200319.10269.03819.00238.9240328.80778.74948.71708.6462338.53158.47868.44938.3849348.27238.22428.19748.1388358.02857.98467.96017.9066367.79887.75867.73627.6871377.58217.54517.52457.4794387.37717.34317.32427.2826397.18317.15177.13427.0958406.99926.97016.95396.9183416.82456.79756.78246.7494426.65846.63336.61936.5885436.50036.47696.46386.4352446.34956.32776.31556.2888456.20576.18536.17396.1489466.06836.04926.03856.0150475.93695.91895.90895.8869485.81125.79435.78485.7641495.69075.67475.66595.6464505.57515.56015.55175.5333圖6-6導線對地高度6.5m時線下工頻磁場強度分布曲線圖（距地1.5m）圖6-7導線對地凈空高度7.5m時線下工頻磁場強度分布曲線圖（距地1.5m）圖6-8導線對地凈空高度8m時線下工頻磁場強度分布曲線圖（距地1.5m）圖6-9最導線對地凈空高度9m時線下工頻磁場強度分布曲線圖（距地1.5m）線路產生的工頻電場強度最不利塔型為2C1Y3-Z2，根據《110kV～750kV表6-4工頻電場預測計算結果距離（m）線路對地6.5m時地面高度1.5m處工頻電場綜合強度（kV/m）線路對地凈空7.5m時地面高度1.5m處工頻電場綜合強度（kV/m）線路對地凈空9m時地面高度1.5m處工頻電場綜合強度（kV/m）線路對地凈空10m時地面高度1.5m處工頻電場綜合強度（kV/m）-500.09450.10610.12260.1330-490.10050.11280.1303-480.10710.12010.13860.1501-470.12810.14760.1597-460.13680.15750.1702-450.13070.14630.16820.1817-440.14010.15670.18000.1942-430.15050.16820.19280.2078-420.16190.18080.20700.2228-410.17450.19480.22260.2393-400.18860.21020.23970.2574-390.20410.22730.25870.2774-380.22150.24630.27980.2994-370.24090.26750.30310.3239-360.26270.29130.32920.3510-350.28730.31790.35820.3812-340.31500.34790.39080.4148-330.34640.38190.42730.4525-320.38220.42030.46850.4946-310.42320.46410.51500.5420-300.47010.51410.56770.5954-290.52440.57150.62760.6556-280.58720.63750.69580.7236-270.66050.71400.77370.8008-260.74630.80280.86310.8884-250.84740.90630.96570.9879-240.96721.02771.08381.1010-231.17051.21991.2296-221.33901.37691.3755-211.48721.53841.55761.5406-201.73671.77491.76521.72642.03992.05512.00241.93382.40882.38602.27092.16242.85702.77402.57042.40973.39743.22242.89702.67024.03843.72763.24112.93414.77464.27353.58523.18635.57184.82373.90203.40636.34645.31504.15533.56966.95425.66114.30513.65187.22055.77504.31823.63507.03025.60954.18213.51476.42045.19183.91593.30605.58164.62883.57303.04444.78524.08373.23492.78284.31583.73872.99352.58034.36463.71832.91382.48024.87463.99392.99092.48505.57894.39893.14972.5533-16.16874.73883.29372.625806.39774.86983.35042.655716.16874.73883.29372.625825.57894.39893.14972.553334.87463.99392.99092.485044.36463.71832.91382.480254.31583.73872.99352.580364.78524.08373.23492.782875.58164.62883.57303.044486.42045.19183.91593.306097.03025.60954.18213.51477.22055.77504.31823.63506.95425.66114.30513.65186.34645.31504.15533.56965.57184.82373.90203.40634.77464.27353.58523.18634.03843.72763.24112.93413.39743.22242.89702.67022.85702.77402.57042.40972.40882.38602.27092.16242.03992.05512.00241.9338201.73671.77491.76521.7264211.48721.53841.55761.5406221.33901.37691.3755231.17051.21991.2296240.96721.02771.08381.1010250.84740.90630.96570.9879260.74630.80280.86310.8884270.66050.71400.77370.8008280.58720.63750.69580.7236290.52440.57150.62760.6556300.47010.51410.56770.5954310.42320.46410.51500.5420320.38220.42030.46850.4946330.34640.38190.42730.4525340.31500.34790.39080.4148350.28730.31790.35820.3812360.26270.29130.32920.3510370.24090.26750.30310.3239380.22150.24630.27980.2994390.20410.22730.25870.2774400.18860.21020.23970.2574410.17450.19480.22260.2393420.16190.18080.20700.2228430.15050.16820.19280.2078440.14010.15670.18000.1942450.13070.14630.16820.1817460.13680.15750.1702470.12810.14760.1597480.10710.12010.13860.1501490.10050.11280.1303500.09450.10610.12260.1330圖6-11導線對地高度6.5m時線下工頻電場強度分布曲線（距地1.5m）圖6-12導線對地凈空高度7.5m時線下工頻電場強度分布曲線（距地1.5m）圖6-13導線對地凈空高度9m時線下工頻電場強度分布曲線（距地1.5m）圖6-14導線對地凈空高度10m時線下工頻電場強度分布曲線（距地1.5m）為此，本次評價要求：工程下步施工設計時，水平排列架空輸電線路經過居民區時，導線對地凈空高度應不低于10m；經過非居民區時，導線對地凈空表6-5工頻磁場預測計算結果距離線路對地6.5m時地面高度1.5m處工頻磁感應綜合強度(μT）線路對地凈空7.5m時地面高度1.5m處工頻磁感應綜合強度(μT）線路對地凈空9m時地面高度1.5m處工頻磁感應綜合強度(μT）線路對地凈空10m時地面高度1.5m處工頻磁感應綜合強度(μT）-505.71145.69425.66355.6400-495.83535.81695.78425.7592-485.96485.94525.91035.8835-476.10036.07936.04206.0134-466.24236.21996.17986.1492-456.39136.36726.32426.2912-446.54786.52186.47556.4401-436.71246.68436.63446.5962-426.88586.85546.80146.7601-417.06867.03576.97716.9323-407.26187.22597.16227.1136-397.46617.42707.35757.3046-387.68277.63997.56397.5061-377.91277.86577.78237.7190-368.15748.10558.01387.9443-358.41838.36098.25968.1829-348.69718.63338.52108.4362-338.99568.92458.79948.7053-329.31629.23649.09668.9917-319.66149.57159.41449.2971-3010.03419.93239.75509.6231-2910.437910.321810.12069.9717-2810.876710.743510.513910.3450-2711.355311.201510.937910.7453-2611.879311.700311.395811.1750-2512.455412.245411.891211.6367-2413.091412.842912.428012.1330-2313.796813.500013.010312.6664-2214.582814.224613.642113.2390-2115.462615.025714.327213.8522-2016.451915.912815.068614.506117.568516.895315.867315.198618.831817.981016.721015.924420.260419.173417.621816.672921.867620.466218.552717.426423.649721.834819.483618.158225.564923.222820.366518.830527.497524.526421.133719.395329.212025.582821.700419.798230.337226.185121.977819.987330.457626.139821.897419.926329.345425.360521.437119.607027.155123.929220.636119.055824.340722.067619.587018.329721.386520.039718.409617.504718.629618.069517.223516.660616.249516.311816.130015.870714.329914.864015.206515.195512.916513.787614.509314.6811-112.046814.076014.3597011.752512.899813.929114.2504112.046814.076014.3597212.916513.787614.509314.6811314.329914.864015.206515.1955416.249516.311816.130015.8707518.629618.069517.223516.6606621.386520.039718.409617.5047724.340722.067619.587018.3297827.155123.929220.636119.0558929.345425.360521.437119.607030.457626.139821.897419.926330.337226.185121.977819.987329.212025.582821.700419.798227.497524.526421.133719.395325.564923.222820.366518.830523.649721.834819.483618.158221.867620.466218.552717.426420.260419.173417.621816.672918.831817.981016.721015.924417.568516.895315.867315.19862016.451915.912815.068614.50612115.462615.025714.327213.85222214.582814.224613.642113.23902313.796813.500013.010312.66642413.091412.842912.428012.13302512.455412.245411.891211.63672611.879311.700311.395811.17502711.355311.201510.937910.74532810.876710.743510.513910.34502910.437910.321810.12069.97173010.03419.93239.75509.6231319.66149.57159.41449.2971329.31629.23649.09668.9917338.99568.92458.79948.7053348.69718.63338.52108.4362358.41838.36098.25968.1829368.15748.10558.01387.9443377.91277.86577.78237.7190387.68277.63997.56397.5061397.46