StudyonMonitoringSystemofOn-LinePowerTransmissionLinesBasedonZigBeeTechnologyZHONGYun-ping1,CHENGXiao-hua1,DAIDong1,ZHANGJian-wei2,ZHAIShao-lei2(1.SouthChinaUniversityofTechnology,Guangzhou510640，China.2.ElectricPowerResearchInstituteofYunnanElectricPowerTest&ResearchInstituteGroupCorporationLimited,Kunming650217,China）ReceivedJuly2012;acceptedNovember2012Abstract：CombiningtheneedofmonitoringhighvoltageinpowersystemwiththetechnicaladvantagesofZigBee，thispaperproposesasetofhigh-voltagewirelessmonitoringsystemwiththecharacteristicsofZigBeewirelesssensornetworks,thebasicprinciplesanditscomposition,anditpresentstheuseoftheemergingZigBeewirelessnetworkingtechnologyintheon-linemonitoringsystem.ZigBeecommunicationmodule,theinducingpowerdesignonhigh-voltagetransmissionlines,solarmoduledesign,andthestructuredesignofsoftwaresystemarealsodescribedindetail.Thesystemhasadvantagesofhighreliability,simplearrangement,goodexpandability,lowrunningcost.Thelaboratorytestresultsarestableandreliable.Keywords:ZigBeetechnology,wirelesscommunicationtechnology,transmissionlinemonitoring,CC2530,wirelesssensornetwork1.IntroductionInrecentyears,withthedevelopmentofsocialeconomy,thenationalpowerconsumptionhasskyrocketed,ultra-highvoltagepowergridconstructionandscaleexpandsrapidly.Becauseofthehighvoltagetransmissionlinehasalongdistance,widedistribution,patrolandmaintenancedifficultyetc[1].Inremoteareas,theterraincomplexworkinharshenvironmentnetworkoftransmissionlinesoftransmissionlineanditsenvironment,meteorologicalparameters,thereal-timeremotemonitoringbecomeanurgentwork,basedonthetransmissionlinerunningstatusreal-timemonitoring,establishcorrespondingnaturaldisasterwarningmechanism,canreducethepoweroutagecausedeconomiclosses,improvethestabilityofthesafetyofpowergridoperationefficiency[2].Therefore,toestablishthestableoperationofthetransmissionlineon-linemonitoringsystemforpowergridplaysanimportantrole,Fundproject:theprojectissupportedbythenational863plan(2011aa05a120)andtheestablishmentofatransmissionlineon-linemonitoringsystemisanimportantpartofthesmartgrid[3].Traditionalmonitoringnetworkisgivenprioritytowithcable,wiringcomplexity,lowreliability,safety,highcost,lowextensionandmaintenancedifficultiesandotherissues.Thecommonwirelesscommunicationtechnology,suchasGPRS,Wi-Fi,thatexistsuchproblemsashighcost,largepowerconsumption.DesignedakindofwirelesssensornetworkbasedonZigBeetechnology,ithaslowpowerconsumption,lowcost,safe,reliableandnetworkadvantagesoflargecapacityandhighefficiencyofthecollection.Atthesametimebecauseofit’snowiring,easyextension,highflexibility,etc.ithasbeenappliedgraduallyinthetransmissionlinemonitoringsystem[4].Transmissiondistanceofeachnetworknodecanfromthestandard80meters,afteraddpoweramplifiercanbeextendedtoafewhundredmeters,evenseveralkilometers;InadditiontheZigBeenetworkcanalsocommunicatewithotherexistingcommunicationnetwork..Consideringthehighvoltagetransmissionlinemonitoringequipmentworkingenvironmentandconditions,thispaperdesignsawirelesstransmissionlineon-linemonitoringsystembasedonZigBeetechnology,combininginductionwaytofundamentallysolvetheproblemofthehighvoltageinsulation,hasalargecapacityofthenetworkatthesametime,smallvolume,lightweight,lowpowerconsumption,andtheadvantagesofconvenientinstallation,isanidealsolutionforhighvoltagetransmissionlinemonitoring.2.Theove...