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,,(,210003):。,。,,。,。:;;IP;NGN:TN915.853:B:1005-7641(2012)03-0005-0433233Vol.33No.2332012310TelecommunicationsforElectricPowerSystemMar.10,20120,、,,,。,,,。,,。1,1。1Fig.1Diagramofdispatchingexchangenetwork、,,、。,、500kV,,。1SDH,,,。,,,。1)。、,。2)。,,。:IP。3)PCM。PCM,,。,(、、)IP,,PCM。4)。。,。、,IP,。5··2、,。,。,,、,、、。、、,,。、、,,。2.1。1)。,,;H.323SIP,。2)。,、,、。3)。,。4)。NGN,。5)。,、、、。6)。、。2.24,2。1):,、AAA(、、),API。2):,,。,,。2Fig.2Structureofsoft-switchsystem3):,,,,IPATM。4):,,。5):IP、、、,,,、,、、。3,。,,;1,,,。,3。,4。,,12012332336··。2,,、、,。,1。3Fig.3Diagramofcentralizednetworking4Fig.4Diagramofdistributednetworking1Tab.1Technicalcomparisonofcentralizednetworkinganddistributednetworking4,。,,、。,,,、、,。[1],,,.[J].,2011,32(2):18-21.LIULi-rong,WANGYu-dong,XIAOZhi-hong,etal.Theresearchofthenationalgridschedulingnetworkbuilding[J].TelecommunicationsforElectricPowerSys-tem,2011,32(2):18-21.[2],,.[J].,2010,31(8):1-4.YEMeng,ZHANGJian-zhong,QIXing-hui.Theviewofthesoftswitchsystemconstructionontheprivatenetwork[J].TelecommunicationsforElectricPowerSys-tem,2010,31(8):1-4.[3].[J].,2011(9):31-32.FUDa-hong.Analysisonthepowerdispatchautoma-tionsystemandnetworksecurity[J].MechanicalandElectricalInformation,2011(9):31-32.[4].CDMA1X/GPRS[J].,2010(29):360-361.LIMing-jun.ThesolutionsofCDMA1X/GPRSpowerdispatchingautomationcommunicationsystem[J].Power&Energy,2010(29):360-361.[5].NGN[D].:,2010.(1965—),,,,。(1974—),,,,。(1980—),,,,。(:2011-11-29;:2012-01-10)(:),、,,,IP、,、,··7··TheResearchonConstructionofPowerDispatchingSoft-switchCommunicationNetworkZHANGJian-zhou,FANQiang,XUWei(StateGridElectricPowerResearchInstitute,Nanjing210003,China)Abstract:Dispatchingexchangesystemisanimportantpartofpowerdispatchingsystem.Thispaperfirstanalyzesthecurrentdispatchingexchangesystemandpointsoutthat,withthedevelopmentofthesmartgrid,thetraditionalhard-switchcannotmeetthedemandofthepowerdispatchingsystem.Thusitisnecessarytointroducethesoft-switchtech-nology.Thefunctionandthestructureofthesoft-switchtechnologyarethendiscussedandtheconstructionmethodisal-sopresentedinthepaper.Finally,itconcludesthatsoft-switchsystemisveryusefulinguidingthepracticalwork.Keywords:Soft-switch;Powerdispatching;IPphone;NGN201210,,。,,。,,。,。。、“”。、,40。1.;2.;3.;4.、、、;5.;6.;7.;8.;9.;10.。。、1.(、)5000,A4,215×145mm,,Word。:、(、、)、(、)、、(、)。2.(),25。3.,,。4.(),250,300。5.,5,。6.(:、)、,。1,2,3…,1,,1.1,1.2,1.3…,。、、,。7.。、、、、、;、、、。8.,、、、、。(、、、、)。9.,。、1.,:,。2.:2012815。、:():0571-87953187:yzgong@zju.edu.cn2012332338··
本文标题:电力调度软交换通信网的建设研究
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