[求助]：输电线路的电场对居住环境的影响

sxzhj · 发表于 2005-8-23 17:57:39

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请问各位大侠：
那有电场和场强的计算软件。
现有一条2220kv双回输电线路从村庄边通过,要拆迁距离线路边线多少米以内的房屋(平房)。
谢谢！SXZHJ@SOHU.COM

kkcl-kkcl · 发表于 2005-8-25 12:03:23

导线边线对房屋的距离应满足以下要求：
1. 满足净空要求
2. 场强要求。地面场强与导线对地的垂直距离和投影水平距离有关，导线对地垂直距离大时，可以离房屋近一些，导线对地垂直距离小时应离房屋远一些，但最近不得小于3m。

sxzhj · 发表于 2005-8-26 09:07:05

谢谢！
请问电气计算软件中以下数值看不懂，请指教：

  导线表面最大场强有效值实.虚部形式。kV/m

   .1407E+04    .9917E+02    -.7448E+03    -.1290E+04    -.6176E+03    .1268E+04    -.2388E+03    .1502E+03    .2495E+03    -.1317E+03

导线表面最大场强有效值幅值.相角形式。kV/m,DEG

   .1410E+04    .4032E+01    .1490E+04    .2400E+03    .1410E+04    .1160E+03    .2821E+03    .1478E+03    .2821E+03    -.2783E+02

标准条件下，即晴天 1MHz 距边线横向水平距离为    20M处的RI预估值  dB
39.570

大雨时可听噪声 dB (A)
37.557

  地面场强  V/m

  距离          Ex                   Ey             EA       QE

0 .0000E+00 .0000E+00  -.2209E+03  -.3826E+03 .4418E+03 .9000E+02
1 .0000E+00 .0000E+00  -.3919E+03  -.2688E+03 .4753E+03 .9000E+02
2 .0000E+00 .0000E+00  -.5454E+03  -.1367E+03 .5622E+03 .9000E+02
3 .0000E+00 .0000E+00  -.6779E+03 .7828E+01 .6780E+03 .9000E+02
4 .0000E+00 .0000E+00  -.7877E+03 .1572E+03 .8032E+03 .9000E+02
5 .0000E+00 .0000E+00  -.8737E+03 .3035E+03 .9249E+03 .9000E+02
6 .0000E+00 .0000E+00  -.9361E+03 .4392E+03 .1034E+04 .9000E+02
7 .0000E+00 .0000E+00  -.9760E+03 .5580E+03 .1124E+04 .9000E+02
8 .0000E+00 .0000E+00  -.9949E+03 .6553E+03 .1191E+04 .9000E+02
9 .0000E+00 .0000E+00  -.9951E+03 .7289E+03 .1233E+04 .9000E+02
  10 .0000E+00 .0000E+00  -.9794E+03 .7783E+03 .1251E+04 .9000E+02
  11 .0000E+00 .0000E+00  -.9507E+03 .8052E+03 .1246E+04 .9000E+02
  12 .0000E+00 .0000E+00  -.9120E+03 .8121E+03 .1221E+04 .9000E+02
  13 .0000E+00 .0000E+00  -.8662E+03 .8025E+03 .1181E+04 .9000E+02
  14 .0000E+00 .0000E+00  -.8160E+03 .7800E+03 .1129E+04 .9000E+02
  15 .0000E+00 .0000E+00  -.7635E+03 .7481E+03 .1069E+04 .9000E+02
  16 .0000E+00 .0000E+00  -.7104E+03 .7100E+03 .1004E+04 .9000E+02
  17 .0000E+00 .0000E+00  -.6582E+03 .6682E+03 .9379E+03 .9000E+02
  18 .0000E+00 .0000E+00  -.6079E+03 .6247E+03 .8717E+03 .9000E+02
  19 .0000E+00 .0000E+00  -.5601E+03 .5812E+03 .8071E+03 .9000E+02
  20 .0000E+00 .0000E+00  -.5151E+03 .5386E+03 .7453E+03 .9000E+02
  21 .0000E+00 .0000E+00  -.4733E+03 .4979E+03 .6870E+03 .9000E+02
  22 .0000E+00 .0000E+00  -.4347E+03 .4593E+03 .6324E+03 .9000E+02
  23 .0000E+00 .0000E+00  -.3991E+03 .4233E+03 .5818E+03 .9000E+02
  24 .0000E+00 .0000E+00  -.3666E+03 .3898E+03 .5351E+03 .9000E+02
  25 .0000E+00 .0000E+00  -.3368E+03 .3590E+03 .4923E+03 .9000E+02
  26 .0000E+00 .0000E+00  -.3097E+03 .3306E+03 .4530E+03 .9000E+02
  27 .0000E+00 .0000E+00  -.2851E+03 .3047E+03 .4172E+03 .9000E+02
  28 .0000E+00 .0000E+00  -.2626E+03 .2809E+03 .3846E+03 .9000E+02
  29 .0000E+00 .0000E+00  -.2422E+03 .2593E+03 .3548E+03 .9000E+02
  30 .0000E+00 .0000E+00  -.2236E+03 .2396E+03 .3277E+03 .9000E+02

各段末端电压(kV),电流(kA)

  1 119.845 -27.594 -83.723 -92.644 -38.155 121.810 .000 .000 .000 .000 .438 -.052 -.264 -.349 -.171 .398 .002 .004 -.002 -.004

djx1109 · 发表于 2005-12-6 14:07:01

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[求助]：输电线路的电场对居住环境的影响

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