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1、英文文献Substationsystemover-voltageprotectiontechnologySecondsubstationequipmentover-voltageprotectiononelectronicinformationsystemfortheprotectionofcoreequipmentfortheconstructionofaprotectedbothpressureandotherpotentialsystem,andthroughalllevelsofover-voltagesurgeprotectorsoft
2、hecurrentstepbystepintothelandofChina,Substationsecondarysafetyequipmentandreliableoperation.1secondover-voltagesubstationprotection Inrecentyears,thesubstationcommunications,communicationssystems,protectionsystems,backgroundmanagementmodulefrequentover-voltagedamage,themainr
3、easonforthisisweakanditsrelatedsystemsproductsover-voltageprotectionlevelisweak,ornoguardagainstover-voltageTechnicalmeasures,theconsequencesforthesafeoperationofpowergridsbringaboutagreaternegativeimpact.Withintegratedautomationsystemsandautomationsystemssuchascommunications
4、ystemsinthesubstationweaksecondarybythewideruseofsuchelectronicsystems(equipment)componentsoftheintegratedmoreandmore,thegrowingvolumeofinformationstorage,speedandaccuracyoftheIncreasedandoperatesonlyafewvolts,currentinformationonlymicroamplevel,thusextremelysensitivetooutsid
5、einterference,especiallythelightningandelectromagneticpulse,suchasover-voltagetoleranceislow.Whenthunderandlightning,suchasover-voltageandaccompaniedbytheelectromagneticfieldsreachacertainthreshold,rangingfromsystemfailurecaused,resultedinheavyequipmentorpermanentdamagetoitsc
6、omponents.Despitethethunderandlightningviewpointofelectronicsystems(equipment)isunlikely,butlightningstrikeneartheland,buildings,communicationandairsupplylinedirectlyLeiyundischargeform,orbecauseofelectrostaticinductionandtheimpactofelectromagneticinductionformationofover-vol
7、tage,Theremightbeconnectedtothepowerlines,signallinesorgroundingsystem,throughvariousinterfacestotransfer,coupling,radiationandotherformsofinvasiveelectronicsystem(equipment)andleadtoseriousdisturbancesorincidents.Therefore,strengtheningandimprovingtheelectronicsystem(equipme
8、nt)protection,tominimizetheimpactofinterferencebylightningandotherda
