小电流接地选线方法分析

:10057277(2004)06005604Vol.26,No.62004,26(6):56~69ELECTRICDRIVEAUTOMATION200426656陶沛荣(,741018):介绍了小电流接地选线的方法原理以及目前的发展现状,对其在工程上的实现进行了分析比较:小电流接地:选线:发展现状:TM727:BAnalysisofwireselectionmethodsonsmall_currentearthingTAOPei_rong(TianshuiChangkaiPowerAutomationCo.,Ltd,Tianshui741018,China)Abstract:Themethodsandprinciplesaswellasthecurrentdevelopingstatusofthewireselectionsonthesmall_currentearthingarepresented,andtheirrealizationsinthepracticalengineeringsarecomparedandanalyzed.Keywords:Small_currentearthing;wireselection;currentdevelopingstatus1(NUGS),,(NUS)(NES,)(NRS),,,()NUGS,,,,,1~2h,,,,,,,,NES,,,0.5~2h,,,,,,2,,,,,90,;,90,,,,,,,,,,,,,,,,,2004657,,,,,,,,,,3,,!S∀,3.1,,,,,,,,10,,,(),X#XL#,SFB,,,,,,,5,,,3.2,,,,,5,1/5,,,,,,,(),,,NES,L∃1/C5L1/5C,,NESNUS,(),NESCT,10%,,3.3,,,,,,,,,,,(4),,,,,,,,,,,,,,,,,,,,,,,3.5,,,,,,,,,,,,3.6!S∀!S∀,,,PT,Fnn+1(n)!S∀:PT,,;,;,;!S∀,5,1,,11(CT)1,,,4,,:%;&;∋CT;(CT;)5(582004620046593);:();,();;();CT6,NUGS,,;NUSNRS,,NES,30NRS,NESNRS,,90,,,1958,,,,:(Isin!);:,,50,80,,,,,,,,,,CT,7,:,,,,,,NUGSCT,,,,CT,,,,,,,,,,:[1]...[2].[J].,2001,29(4):16-20.[3].[J].,2003,23(6):82-85.[4].[J].,2002,19(6):49-36.:2004-01-10