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110kV高压输电线路电磁场分析及评价

Keywords: 高压输电线路,工频电磁场,环境评价

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Abstract:

为探讨高压输电线路下的电磁环境问题,对110kV高压输电线路的工频电磁场进行了理论研究和实际测量.利用模拟电荷法,计算了工频电场强度,而且通过建立合适的模型,对工频磁场进行了计算.得出结论:在地面附近高度,电场强度主要由垂直分量决定,而磁感应强度由水平和垂直分量共同决定.由HJ/T24-1998可知,电场强度的推荐标准是4kv/m,磁感应强度限值是0.1mT,此次计算和测量值都远远小于国家标准.研究结果减少了人们对高压线下生活的恐惧心理,具有现实意义.

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