桂阳县洋市风电场220kV送出线路工程环境影响报告表

建设项目环境影响报告表（报批稿）项目名称：桂阳县洋市风电场220kV送出线路工程编制日期：2024年8月目录TOC\o"1-1"\h\u7594一、建设项目基本情况 —表8-9输电线路导线参数及预测参数架设形式单回线路塔基双回路单边挂线线路塔基杆塔型号220-FA31D-ZBC2220-FA31S-DJC导线型号JL3/G1A-400/50JL3/G1A-400/50导线外径（mm）27.627.6最大电流（A）744744相序排列ABCBAC相距A（-7，0）、B（0，0）、C（7，0）B（-5.1，13）A（-7.05，6.2）C（-5.8，0）回数11分裂导线根数11分裂间距//底层导线对地高度（m）非居民区：15非居民区：15预测点位高度（m）非居民区：地面1.5非居民区：地面1.5敏感点桂阳县洋市镇老屋村塘元（烘烟房）预测点：1.5（一层）、4.5（二层）、6.5（楼顶）/预测结果1）220kV单回架设预测结果①线路经过非居民区本项目220kV单回架设经过非居民区时产生的电场强度、磁感应强度预测结果详见表8-10；预测结果分布图见图8-6、8-7，达标等值线图见图8-8、8-9。表8-10220kV单回架空线路运行的工频电场及磁感应强度预测结果（非居民区）距线路中心水平距离（m）距线路边导线地面投影距离（m）导线对地15m，预测点距离地面1.5m电场强度（V/m）磁感应强度（μT）-47-40115.10.770-46-39121.80.802-45-38129.10.836-44-37137.00.872-43-36145.50.910-42-35154.70.950-41-34164.60.993-40-33175.41.039-39-32187.01.089-38-31199.71.141-37-30213.41.198-36-29228.31.258-35-28244.51.323-34-27262.21.393-33-26281.41.468-32-25302.41.549-31-24325.21.636-30-23350.11.730-29-22377.21.832-28-21406.81.943-27-20438.92.062-26-19473.92.191-25-18511.72.332-24-17552.62.484-23-16596.72.650-22-15643.92.829-21-14694.13.023-20-13747.03.233-19-12802.33.460-18-11859.13.705-17-10916.33.967-16-9972.64.246-15-81026.14.542-14-71074.44.854-13-61114.95.177-12-51144.65.510-11-41160.45.846-10-31159.56.181-9-21139.56.508-8-11099.36.820-7线下1038.87.110-6线下959.87.372-5线下865.87.602-4线下762.27.794-3线下657.17.946-2线下561.88.055-1线下492.08.1220线下465.88.1441线下492.08.1222线下561.88.0553线下657.17.9464线下762.27.7945线下865.87.6026线下959.87.3727线下1038.87.110811099.36.820921139.56.5081031159.56.1811141160.45.8461251144.65.5101361114.95.1771471074.44.8541581026.14.542169972.64.2461710916.33.9671811859.13.7051912802.33.4602013747.03.2332114694.13.0232215643.92.8292316596.72.6502417552.62.4842518511.72.3322619473.92.1912720438.92.0622821406.81.9432922377.21.8323023350.11.7303124325.21.6363225302.41.5493326281.41.4683427262.21.3933528244.51.3233629228.31.2583730213.41.1983831199.71.1413932187.01.0894033175.41.0394134164.60.9934235154.70.9504336145.50.9104437137.00.8724538129.10.8364639121.80.8024740115.10.770图8-6220kV线路单回架设经过非居民区电场强度预测分布图图8-7220kV线路单回架设经过非居民区磁感应强度预测分布图图8-8220kV线路单回架设经过非居民区电场强度达标等值线图图8-9220kV线路单回架设经过非居民区磁感应强度达标等值线图②线路经过敏感点区本项目220kV单回架设经过敏感点区时产生的电场强度、磁感应强度预测结果详见表8-11；预测结果分布图见图8-10、图8-11。表8-11220kV单回架空线路运行的工频电场及磁感应强度预测结果（敏感点区）距线路中心水平距离（m）距线路边导线地面投影距离（m）电场强度（V/m）磁感应强度（μT）导线对地高度15m导线对地高度15m地面1.5m地面4.5m地面6.5m地面1.5m地面4.5m地面6.5m-47-40115.1114.1112.90.7700.7960.810-46-39121.8120.8119.50.8020.8300.845-45-38129.1128.0126.60.8360.8660.883-44-37137.0135.8134.30.8720.9040.923-43-36145.5144.2142.60.9100.9460.966-42-35154.7153.3151.50.9500.9901.012-41-34164.6163.1161.20.9931.0371.061-40-33175.4173.7171.71.0391.0871.114-39-32187.0185.2183.01.0891.1411.171-38-31199.7197.7195.41.1411.1991.232-37-30213.4211.3208.81.1981.2621.298-36-29228.3226.1223.31.2581.3291.370-35-28244.5242.2239.21.3231.4021.448-34-27262.2259.7256.61.3931.4811.532-33-26281.4278.8275.51.4681.5661.624-32-25302.4299.7296.21.5491.6591.724-31-24325.2322.4318.91.6361.7601.834-30-23350.1347.3343.71.7301.8701.954-29-22377.2374.6370.91.8321.9902.086-28-21406.8404.3400.81.9432.1222.232-27-20438.9436.8433.72.0622.2662.393-26-19473.9472.4469.82.1912.4252.571-25-18511.7511.2509.52.3322.5992.769-24-17552.6553.5553.22.4842.7912.990-23-16596.7599.5601.32.6503.0043.237-22-15643.9649.5654.12.8293.2383.513-21-14694.1703.4712.23.0233.4983.824-20-13747.0761.4775.73.2333.7864.174-19-12802.3823.3845.23.4604.1044.569-18-11859.1888.7920.93.7054.4575.015-17-10916.3957.11002.83.9674.8465.520-16-9972.61027.51090.64.2465.2746.089-15-81026.11098.21183.84.5425.7416.731-14-71074.41167.41281.14.8546.2497.449-13-61114.91232.41380.45.1776.7958.245-12-51144.61289.91478.55.5107.3729.115-11-41160.41336.51571.35.8467.97310.047-10-31159.51368.51653.56.1818.58311.018-9-21139.51383.01719.86.5089.18811.996-8-11099.31378.11765.96.8209.77012.938-7线下1038.81354.21789.87.11010.30913.804-6线下959.81313.71793.07.37210.79214.559-5线下865.81261.71780.37.60211.20615.184-4线下762.21204.91759.07.79411.54515.673-3线下657.11150.81736.17.94611.80716.036-2线下561.81106.51717.18.05511.99216.284-1线下492.01077.61705.08.12212.10216.4280线下465.81067.61701.08.14412.13916.4751线下492.01077.61705.08.12212.10216.4282线下561.81106.51717.18.05511.99216.2843线下657.11150.81736.17.94611.80716.0364线下762.21204.91759.07.79411.54515.6735线下865.81261.71780.37.60211.20615.1846线下959.81313.71793.07.37210.79214.5597线下1038.81354.21789.87.11010.30913.804811099.31378.11765.96.8209.77012.938921139.51383.01719.86.5089.18811.9961031159.51368.51653.56.1818.58311.0181141160.41336.51571.35.8467.97310.0471251144.61289.91478.55.5107.3729.1151361114.91232.41380.45.1776.7958.2451471074.41167.41281.14.8546.2497.4491581026.11098.21183.84.5425.7416.731169972.61027.51090.64.2465.2746.0891710916.3957.11002.83.9674.8465.5201811859.1888.7920.93.7054.4575.0151912802.3823.3845.23.4604.1044.5692013747.0761.4775.73.2333.7864.1742114694.1703.4712.23.0233.4983.8242215643.9649.5654.12.8293.2383.5132316596.7599.5601.32.6503.0043.2372417552.6553.5553.22.4842.7912.9902518511.7511.2509.52.3322.5992.7692619473.9472.4469.82.1912.4252.5712720438.9436.8433.72.0622.2662.3932821406.8404.3400.81.9432.1222.2322922377.2374.6370.91.8321.9902.0863023350.1347.3343.71.7301.8701.9543124325.2322.4318.91.6361.7601.8343225302.4299.7296.21.5491.6591.7243326281.4278.8275.51.4681.5661.6243427262.2259.7256.61.3931.4811.5323528244.5242.2239.21.3231.4021.4483629228.3226.1223.31.2581.3291.3703730213.4211.3208.81.1981.2621.2983831199.7197.7195.41.1411.1991.2323932187.0185.2183.01.0891.1411.1714033175.4173.7171.71.0391.0871.1144134164.6163.1161.20.9931.0371.0614235154.7153.3151.50.9500.9901.0124336145.5144.2142.60.9100.9460.9664437137.0135.8134.30.8720.9040.9234538129.1128.0126.60.8360.8660.8834639121.8120.8119.50.8020.8300.8454740115.1114.1112.90.7700.7960.810图8-10220kV线路单回架设经过敏感点区电场强度预测分布图图8-11220kV线路单回架设经过敏感点区磁感应强度预测分布图2）220kV双回路单边挂线预测结果（暂无电磁环境敏感目标）本项目220kV双回路单边挂线经过非居民区时产生的电场强度、磁感应强度预测结果详见表8-12；预测结果分布图见图8-12、8-13，达标等值线图见图8-14、8-15。表8-12220kV双回路单边挂线运行的工频电场及磁感应强度预测结果（非居民区）距线路中心水平距离（m）导线对地15m，预测点距离地面1.5m电场强度（V/m）磁感应强度（μT）-4883.00.769-4783.50.799-4683.90.831-4584.00.865-4484.00.901-4383.70.939-4283.10.980-4182.21.023-4080.91.068-3979.31.116-3877.31.167-3774.91.222-3672.11.280-3568.91.341-3465.51.407-3362.31.476-3259.61.550-3158.31.629-3059.51.714-2964.31.803-2873.61.899-2787.52.000-26106.12.108-25129.42.223-24157.42.345-23190.32.474-22228.22.611-21271.42.755-20320.22.906-19374.73.063-18435.13.227-17501.03.395-16572.33.568-15648.03.741-14727.13.914-13807.84.082-12887.84.242-11964.64.389-101035.04.520-91095.64.629-81143.34.712-71175.34.765-61189.74.786-51185.44.774-41162.84.730-31123.24.655-21069.04.553-11003.14.4280928.74.2851849.14.1282767.23.9623685.53.7914606.23.6185530.73.4466460.13.2777395.13.1138336.02.9549283.12.80210236.42.65711195.62.51912160.92.38813132.22.26514109.62.1481593.32.0381683.11.9351778.41.8381878.01.7471980.41.6612084.11.5812188.31.5052292.41.4342396.21.3672499.41.30525102.11.24626104.21.19027105.81.13828106.91.08929107.61.04230107.90.99931107.80.95732107.50.91833106.80.88134106.00.84735105.00.81436103.80.78337102.50.75338101.00.7253999.50.6984098.00.6734196.30.6494294.70.6274393.00.6054491.20.5844589.50.5654687.80.5464786.10.5284884.40.511图8-12220kV双回路单边挂线经过非居民区电场强度预测分布图图8-13220kV双回路单边挂线经过非居民区磁感应强度预测分布图图8-14220kV双回路单边挂线经过非居民区电场强度达标等值线图图8-15220kV双回路单边挂线经过非居民区磁感应强度达标等值线图预测结果分析根据模式预测计算结果及其分布曲线，可以得出如下结论：1）工频电场影响预测结果分析①本工程220kV单回线路在经过耕地、园地、牧草地、畜禽饲养地、养殖水面、道路等场所（下称其他场所）时，单回导线最小对地高度15m时，线路产生的工频电场强度最大值为1160.4V/m，小于10kV/m评价标准限值的要求；双回路塔基单边挂线最小对地高度15m时，线路产生的工频电场强度最大值为1189.7V/m，小于10kV/m评价标准限值的要求。②本工程单回架空线路途经敏感点区域时，导线最小对地高度15m时，线路在距地面1.5m（1层）、4.5m（2层）、6.5m（楼顶）高度处，工频电场强度最大值分别为1160.4V/m、1383.0V/m、1793.0V/m，均满足4000V/m评价标准限值的要求。2）工频磁感应强度影响预测结果分析①本工程单回线路在经过其他场所时，单回导线最小对地高度15m时，线路产生的工频磁感应强度为8.144μT，小于100μT评价标准限值的要求；双回路塔基单边挂线最小对地高度15m时，线路产生的工频磁感应强度为4.786μT，小于100μT评价标准限值的要求。②本工程单回线路导线最小对地高度15m时，在距地面1.5m（1层）、4.5m（2层）、6.5m（楼顶）高度处，输电线路产生的工频磁感应强度最大值分别为8.144μT、12.139μT、16.475μT，均满足100μT评价标准限值的要求。3）电磁环境敏感目标处预测结果分析③线路沿线电磁环境敏感目标根据工频电磁场理论预测结果及表8-3中本工程环境保护目标与新建线路相对位置关系，本工程电磁环境敏感点处工频电场强度、工频磁感应强度见下表。表8-13本项目220kV单回架设线路沿线电磁环境敏感目标预测结果序号敏感点名称距边导线地面投影建筑物楼层导线距离地面最小高度预测高度（m）预测值电场强度（V/m）磁感应强度（μT）1桂阳县洋市镇老屋村塘元（烘烟房）南侧30m2F平顶，约5m15m1.5（1F）213.41.1984.5（2F）211.31.2626.5（楼顶）208.81.298由上表可知，电磁环境敏感点处的工频电场强度、工频磁感应强度均能满足《电磁环境控制限值》（GB8702-2014）中相应公众曝露控制限值4000V/m，100μT要求4）预测结果分析小结依据本工程线路典型直线塔运行时产生的工频电场、工频磁场预测结果可知，本项目新建输电线路在满足《110kV～750kV架空输电线路设计规范》要求的前提下，本工程220kV单回输电线路导线对地最低高度为15m，220kV双回路塔基单边挂线对地最低高度为15m，满足设计规范要求。输电线路附近的工频电场强度、工频磁感应强度均能满足《电