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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-voltageprotectiononelectronicinformationsystemfortheprotectionofcoreequipmentfortheconstructionofaprotectedbothpressureando
2、therpotentialsystem,andthroughalllevelsofover-voltagesurgeprotectorsofthecurrentstepbystepintothelandofChina,Substationsecondarysafetyequipmentandreliableoperation.1.secondover-voltagesubstationprotectionInrecentyears,thesubstationcommunications,communicationssystems,protectionsystems,background
3、managementmodulefrequentover-voltagedamage,themainreasonforthisisweakanditsrelatedsystemsproductsover-voltageprotectionlevelisweak,ornoguardagainstover-voltageTechnicalmeasures,theconsequencesforthesafeoperationofpowergridsbringaboutagreaternegativeimpact.Withintegratedautomationsystemsandautoma
4、tionsystemssuchascommunicationsystemsinthesubstationweaksecondarybythewideruseofsuchelectronicsystems(equipment)componentsoftheintegratedmoreandmore,thegrowingvolumeofinformationstorage,speedandaccuracyoftheIncreasedandoperatesonlyafewvolts,currentinformationonlymicroamplevel,thusextremelysensit
5、ivetooutsideinterference,especiallythelightningandelectromagneticpulse,suchasover-voltagetoleranceislow.Whenthunderandlightning,suchasover-voltageandaccompaniedbytheelectromagneticfieldsreachacertainthreshold,rangingfromsystemfailurecaused,resultedinheavyequipmentorpermanentdamagetoitscomponents
6、.Despitethethunderandlightningviewpointofelectronicsystems(equipment)isunlikely,butlightningstrikeneartheland,buildings,communicationandairsupplylinedirectlyLeiyundischargeform,orbecauseofelectrostaticinductionandtheimpactofelectromagneticinductionformationofover-voltage,Theremightbeconnectedtot
7、hepowerlines,signallinesorgroundingsystem,throughvariousinterfacestotransfer,coupling,radiationandotherformsofinvasiveelectronicsystem(equipment)andleadtoseriousdisturbancesorincidents.Therefore,strengtheningandimprovingthee
