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1、太原科技大学本科毕业设计(论文)外文翻译姓名:陈茜学号:200815010304班级:电子081503专业:电子信息工程指导教师:张唐圣所在学院:电子信息工程学院外文资料:Substationsystemover-voltageprotectiontechnologyAbstract:Secondsubstationequipmentover-voltageprotectiononelectronicinformationsystemfortheprotectionofcoreequipmentfortheconstruct
2、ionofaprotectedbothpressureandotherpotentialsystem,andthroughalllevelsofover-voltagesurgeprotectorsofthecurrentstepbystepintothelandofChina,Substationsecondarysafetyequipmentandreliableoperation.1.secondover-voltagesubstationprotectionInrecentyears,thesubstationcom
3、munications,communicationssystems,protectionsystems,backgroundmanagementmodulefrequentover-voltagedamage,themainreasonforthisisweakanditsrelatedsystemsproductsover-voltageprotectionlevelisweak,ornoguardagainstover-voltageTechnicalmeasures,theconsequencesforthesafeo
4、perationofpowergridsbringaboutagreaternegativeimpact.Withintegratedautomationsystemsandautomationsystemssuchascommunicationsystemsinthesubstationweaksecondarybythewideruseofsuchelectronicsystems(equipment)componentsoftheintegratedmoreandmore,thegrowingvolumeofinfor
5、mationstorage,speedandaccuracyoftheIncreasedandoperatesonlyafewvolts,currentinformationonlymicroamplevel,thusextremelysensitivetooutsideinterference,especiallythelightningandelectromagneticpulse,suchasover-voltagetoleranceislow.Whenthunderandlightning,suchasover-vo
6、ltageandaccompaniedbytheelectromagneticfieldsreachacertainthreshold,rangingfromsystemfailurecaused,resultedinheavyequipmentorpermanentdamagetoitscomponents.Despitethethunderandlightningviewpointofelectronicsystems(equipment)isunlikely,butlightningstrikeneartheland,
7、buildings,communicationandairsupplylinedirectlyLeiyundischargeform,orbecauseofelectrostaticinductionandtheimpactofelectromagneticinductionformationofover-voltage,Theremightbeconnectedtothepowerlines,signallinesorgroundingsystem,throughvariousinterfacestotransfer,co
8、upling,radiationandotherformsofinvasiveelectronicsystem(equipment)andleadtoseriousdisturbancesorincidents.Therefore,strengtheningandimprovingthee