PLC梁光胜,秦菁(华北电力大学北京102206):智能电表是智能电网的重要组成环节。本文首先对未来智能电表可能具备的功能做了定义与描述,其次对现有的应用于智能电表的通信技术的优缺点及适用领域进行了对比分析,然后举例提取了目前市场上存在的PLC通信芯片的关键技术,最后从芯片设计的角度给出了2种不同的PLC通信芯片的详细设计方案。:智能电表;通信技术;PLC通信;芯片设计:TN915.5:A1674-6236(2013)22-0076-04Applicationresearchofsmartmeteranddesignofit’sPLC-chipLIANGGuang-sheng,QINJing(NorthChinaElectricPowerUniversity,Beijing102206,China)Abstract:Smartmetersareessentialelementsofthesmartgrid.Thispaperfirstprovidesabriefdefinitionanddepictionaboutthefeaturesandperformancesthatsmartmetermighthaveinnearfuture.Thenacomparisonwasmadeaboutseveraltechnologiesthathavealreadybeenintegratedwithsmartmeterandsomenewtechnologiesthatbetterbeintegratedinviewoffuture.Afterthis,camethepowerlinecommunication(PLC)technologywasrecommendedwhichcouldprovidegoodperformanceofsecurity,reliabilityandcommunicationspeed.Finally,weanalyzedthecriticaltechnologiesindesigningpowerlinecommunicationchipsandformulated2kindsofrealisticdesignconcepts.Keywords:smartmeter;communicationtechnology;PLCcommunication;PLC-chipdesign:2013-03-07:201303080:梁光胜(1966—),男,山东嘉祥人,副教授。研究方向:集成电路及芯片设计与应用、嵌入式系统与智能控制、高等教育管理等。,、、、、、6,、、、“”。,。,、、、,、、。11.1,,。,,,,[1]。1。,,。,、、。。、、。。,,。,,,ElectronicDesignEngineering21Vol.2122No.22201311Nov.20131Fig.1Applicationschematicofsmartmeter-76-DOI:10.14022/j.cnki.dzsjgc.2013.22.005。,,,[2]。1.21.1,。、、。,、、。,、、、、[3]。。,1,、、。,,,。1,。,,,。PLC。PLC,[5-6]。22.1,。,1Tab.1AnalysisandcomparisonofcommunicationtechnologiesusedinsmartmeterRS485,,,,,,,,,GPRS/GSM,、,,,、,,,,,/,、、、3G144kbps~2Mkbps、;,,,,,。Wi-Fi,,,,Wi-Fi,。ZigBee,;、、、、、、、、、,;UWB(),,,,,,,,(PowerLineCommunication,PLC)、、、、、、、、[4],EPON,、、、、、[5]、、[5],EPON[5]。:STST7538、IntellonSSCP330、EchelonPLT-22NILM1893。,,,:PLC136、TCC081、梁光胜,等智能电表应用研究及其PLC通信芯片的设计-77-《》2013年第22期3。,,220V。,,。,MCU,,。3Fig.3Functionalstructureofexternaljunction2Fig.2FunctionalstructureofPLCchipLME2210、PL2101B、SC1128RISE3201。2.2PLC。,,。,2。2,:。3,。2PLCTab.2CommonlyusedcommunicationtechnologiesofPLC,LM1893、ST7536、ST7537、AT9301、PTL-22、SN8810、RISE3201、MTC-30585、SSCP300、SSCP200、PL2000、PL2101、SC1128(OFDM),INT5130、INT5200、MAX2986、ITM10/,LME2200,WF-PLC300A3Tab.3ModulationanddemodulationanalysisofcommonlyusedcommunicationtechnologiesOFDM+DBPSK/DQPSKINT5130/1000(Intellon)PowerPacket/12MbpsMAX2986(MAXIM)HomePlug1.0/14MpsFSKST7538(ST)XR2210/2206LM1893(NI)(Chirp)SSCP300(Intellon)+BPSKPL2101B()+DPSKSC1128()+QPSK+BFSKPLC136()TCC081()2.3PLC,CMOS,、、,。,/、/、D/AA/D、、、、、(MCU)。-78-。6。PLCPLC,,,SOC,,。,,UARTMCU,8051,,A/D、D/A。7PLC。,,MCUUART,、、、,RAMBLOCK。BLOCK,,ROMsin。D/A。8PLC,,PGA,A/D,,,,、。RAM。RAMMCU。MCU,(、、),UART。8PLCFig.8FunctionalstructureofsignalreceptionsectionofembeddedPLCchip7PLCFig.7FunctionalstructureofsignaltransmissionsectionofembeddedPLCchip6PLCFig.6FunctionalstructureofembeddedPLCchip5。,。,,/。2.4PLCIP,。,,“”,。,PLC,5Fig.5Functionalstructureofsignalreceptionsection4Fig.4Functionalstructureofsignaltransmissionsection(下转第83页)梁光胜,等智能电表应用研究及其PLC通信芯片的设计-79-3PLC,PLC,PLC。,PLC,,PLC。:[1]SomaShekaraSreenadhReddyDepuru,LingfengWang,VijayDevabhaktunietal.Smartmetersforpowergrid:Challenges,issues,advantagesandstatus[J].Renewable&;sustainableenergyreviews,2011,15(6):2736-2742.[2]张籍,吴涛.智能电能表功能特点及应用前景[J].中国电业(技术版),2011(3):32-34.ZHANGJi,WUTao.ResearchoftheFunctionalCharacteristicsandApplicationProspectofSmartMeter[J].ChinaElectricPower(TechnologyEdition),2011(3):32-34.[3]马韬韬,李珂,朱少华,等.智能电网信息和通信技术关键问题探讨[J].电力自动化设备,2010,30(5):87-91.MATao-tao,LIKe,ZHUShao-hua,etal.Discussionaboutinformationandcommunicationtechnologyofsmartgrid[J].ElectricPowerAutomationEouipment,2010,30(5):87-91.[4]王建龙,蒙根.实验室环境下的智能电表载波模块通信测试[J].电测与仪表,2012,49(4):38-41.WANGJian-long,MENGGen.ThePLCmodulecommunicationtestofsmartmetersundertheLaboratory’sEnvironment[J].ElectricalMeasurement&Instrumentation,2012,49(4):38-41.[5]廖晓群,薛秀娥.基于EPON智能电能表光通信模块的设计与实现[J].光通信研究,2012,(3):26-29.LIAOXiao-qun,XUEXiu-e.DesignandimplementationofEPON-basedopticalcommunicationmodulesforintelligentelectricenergymetersEPON[J].StudyonOpticalCommunications,2012,(3):26-29.[6]陈凤,郑文刚,申长军,等.低压电力线载波通信技术及应用[J].电力系统保护与控制,2009,37(22):188-195.CHENFeng,ZHENGWen-gang,SHENChang-jun,etal.Low-voltagepowerlinecarriercommunicationtechnologyanditsapplication[J].PowerSystemProtectlonandControl,2009,37(22):188-195.University,2005.[2]JianLi,PetreStoica,MIMORadarSignalProcessing[M],Wiley,NewJersey,2009.[3]BJDonnet,IDLongstaff,MIMORadar,TechniquesandOpportunities[C]//Proceedingsofthe3rdEuropeanRadarConference,Atzeni,Carlo,2006(9):212-215.[4]刘波,韩春林,苗江宏.MIMO雷达正交频分LFM信号设计及性能分析[J].电子科技大学学报,2009,38(1):28-31.LIUBo,HANChun-lin,MIAOJiang-hong.OFD-LFMsignaldesignandperformanceanalysisforMIMOradar[J].JournalofUnirersityofElectronicScienceandTechnologyofChina,2009,38(1):28-31.[5]ZHANGYu,WANGJian-xin,OFDM-CodedSignalsDesignforMIMORadar[C]//ICSP2008,Germany,Leipzig,2008:2442-2445.[6]DW.Bliss,K.W.Forsythe,S.K.Davis,GMTIMIMORadar[C]//2009InternationalWD&DConference,Feb,2009,118-122.[7]JianLi,LuzhouXu,KeithW.Forsythe,DanielW.Bliss,RangeCompressionandWaveformOptimizationforMIMORadar:ACramer-RaoBoundBasedStudy[J].IEEETrans.onSignalProcessing,2008,56(1):218-