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         ElectroexplosivePerformancesofSCBIgniterwithVaristor

                                      1
                                                1
                              2
                   1
         DUPeikang ,TAN Ming ,LIYong ,ZHOUBin,WANG Jun     1
         (1.NanjingUniversityofScienceandTechnology,Nanjing210094,China;2.SichuanHUACHUANIndustriesCompany,Chengdu610106,China)
         Abstract:Sincetheelectromagneticenvironmentisgettingmorecomplex,theresearchofigniterelectromagneticprotectionre
         ceivesextensiveattention.Inordertostudytheelectroexplosiveperformancesvariations,thevariationofthefiringtimeandthe
         firingrequiredenergyweremeaseuredundertheconditionthattheSCBigniterswereinparallelwithvaristors,andcapacitordis
         chargeandconstantcurrentexperimentswereadoptedwhenthecapacitance(47μ F)waschargedto22V.Resultsshow that
         thereisnosignificantdifferenceintheaboveparametersafterthetypicalSCBigniterinparallelwithvaristor.Butthelowenergy
         SCBignitersareaffectedbyvaristorwithlowerbreakdownvoltageinthefiringrequiredenergy.Thefiringrequiredenergyincrease
         by14%,whilethefiringtimedoesnotchange.Onthecontrary,intheconstantcurrentdurationof100msexperiment,varistor
         hasnosignificantinfluencesonSCBfiringtimeandfiringrequiredenergy,indicatingthatvaristordoesnotaffecttheSCBigniters′
         electroexplosiveperformancesdramaticallywhenemployedfortheelectromagneticprotectionoftheSCBigniters.
         Keywords:initiator;semiconductorbridge(SCB);varistor;electroexplosiveperformance
         CLCnumber:TJ45                  Documentcode:A                DOI:10.11943/j.issn.10069941.2015.08.014







































         ChineseJournalofEnergeticMaterials,Vol.23,No.8,2015(781-786)  !"#$           www.energeticmaterials.org.cn
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