不同接地材料接地阻抗计算比对(整合).doc

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1、不同接地材料接地阻抗比对计算1、三种接地材料参数接地材料电阻率相对磁导率半径/mm钢1X10-710007.5铜1.75x10s13.1右墨铜5xl(y71142、不考虑涂层的情况下，计算不同接地材料在不同土壤电阻率、不同工作频率、不同面积时的接地阻抗。地网结构均为正方形，中间方格间距均为25叭地网埋深：0.8mo1）钢/无涂层土壤电阻率/Qm100200400800频率直流50Hz10kHz直流50Hz10kHz直流50Hz10kHz直流50Hz10kHz边长252.33162.35413.12294.65834.68075.33309.31179.33419.890318.618618

2、.641019.135650L10641.12151.67652.20952.22452.69314.41574.43074.82358.82818.84309.18581000.51200.54201.48731.03531.05691.94362.06602.08742.8402412734」4864.76732000.24910.28001.51650.49200.52171.86520.97791.00682.30171.94971.97823.10094000.12400.16661.53200.24040.28021.90540.47310.51092.28850.93860.

3、97522.72728000.06570.12221.52950.12220.17501.91580.23510.28422.32880.46100.50742.748416000.04330」4061.73140.07170.16982.2808012820.22192.88970.24110.32823.55402）铜/无涂层土壤电阻率/Q・m100200400800频率直流50Hz10kHz直流50Hz10kHz直流50Hz10kHz直流50Hz10kHz边长/m252.47152.47202.85964.93814.93855.20449.87129.871610.060119.7

4、37419.737819.8822501.10371」0411.37042.20692.20722.39144.60814.60844.74959.21289.21319.31781000.53510.53551.20471.06541.06581.59582.12652.21602.49674.24744.24784.49762000.25360.25431.27000.50100.50161.50410.99560.99621.84271.98501.98552.6039400012550」2661.30760.24310.24401.58920.47830.47921.85160.9

5、4890.94962.16948000.066230.068331.30900.12310.12471.61790.23680.23801.93810.46410.46512.234416000.04380.05001.52990.07230.07701.97670.12910.13252.46990.24260.24523.00693）石墨铜/无涂层土壤电阻率/Qm100200400800频率直流50Hz10kHz直流50Hz10kHz直流50Hz10kHz直流50Hz10kHz边252.23452.23502.56564.55384.55454.77548.87798.87839.05

6、2317.748717.749217.88715()1.07361.07391.32582.14252.14282.32054.28034.28064.40838.55598.55628.65451000.51130.51171.06811.01591.01631.45722.02522.02562.33894.04374.04414.26262000.24850.24921.10860.48830.48891.32690.96780.96811.66971.92691.92742.44154000.12640.12741.14580.24180.24281.39270.47280.473

7、41.63070.93430.93501.95008000.069350.071101.14950.12570.12711.42530.23830.23941.70590.46340.46441.969416000.04960.05431.34520.07800.08181.74390.13440.13722.18620.24700.24932.66553、考虑涂层的情况下，计算不同接地材料在不同土壤电阻率、不同面积时的