输电线路附近静电感应现象的-研究

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1、humanbody.Allofthemarethepreparationofadesirableresult,andeventuallytheimpulsecurrenttocome.Bycalculating,thesizeoftheimpulsecurrentvalueisgreaterthantheminimumsecondaryelectriccurrentandpeoplewouldprobablybecausedverypainful.Therearethreeshieldingmeasuresappliedtodecreasetheimpulsecurrent:ma

2、kingshieldingwires;plantingarowoftrees;cultivatingflowersandplantsaroundhouses.Bymeansoftheseapproaches,theimpulsecurrentisdecreasedtobenotexperiencedandthelifeisseeminglyjustasthesameasbeforethatofnotransmissionlines.Theresultofcalculationshowsthat,thewindowhascoupledthepotentialtogroundof20

3、6.7Vandgeneratedtheimpulsecurrentof5mAwhichlasts4.1μs,evenifitis30metersawayfromtransmissionlinesand1meterofftheground.Eventually,thepapershowswhatisdeficientwiththeexistingregulationsandputsforwardafewideastoperfectit.KEYWORDS:electrostaticcoupling;equivalentchargemethod;impulsecurrent;passi

4、veRCcircuit;shielding.IV目录摘要....................................................................IIABSTRACT................................................................III第一章绪论...............................................................11.1课题背景............................................

5、..............11.2静电感应概述......................................................11.2.1电场强度.....................................................21.2.2耦合电压.....................................................21.2.3感应电流.....................................................31.3电击的直接感受...............

6、.....................................41.4电流对人体的影响..................................................41.4.1稳态电流.....................................................51.4.2暂态电流.....................................................61.5输电线路通过居民区时需要考虑的静电效应............................71.6本文的研究内容......

7、..............................................7第二章高压输电线路静电感应相关计算理论基础...............................92.1模拟电荷法理论基础................................................92.2静电场的基本理论基础.............................................102.2.1静电场的基本方程........