基于Proteus的数字电能计量装置设计

第27卷第2期青海大学学报(自然科学版)Vol.27No.22009年4月JournalofQinghaiUniversity(NatureScience)Apr.2009Proteus张海峰1,沈媛萍2,张金霞1(1.,,810016;2.,,810016):通过对电压电流信号进行交流采样,并检测出功率因数,最终利用所得参数求出电能。根据采样所获取的数据,显示电压、电流、功率因数以及累计用电量。结果表明,基于Proteus所设计的数字式电能计量装置具有功能扩展方便、功耗低、计量精确的优点。:数字电能计量;Proteus;交流采样;单片机:TM76:A:1006-8996(2009)02-0001-05DesignonthedigitalmeteringdeviceofelectricitybasedonProteusZHANGHai-feng1,SHENYuan-ping2,ZHANGJin-yia1(1.HydroelectricEngineeringDepartmentofQinghaiUniversity,Xining810016,China;2.TheHighSchoolAffiliatedtoQinghaiUniversity,Xining810016,China)Abstract:ThroughACsamplingtothevoltageandcurrentsignalandmeasuringthepowerfactor,theelectricalconsumptionquantitycanbecalculatedandthenalltheparameters,voltaqe,current,powerfactorandelectricalconsumption,willbedisplayed.Theresearchresulfshowsthatthedigitalmete-ringdeviceforelectricalconsumptionhastheadvantagesofeasyfunctionextension,lesspowercon-sumptionandhighmeasurementprecision.Keywords:digitalmeteringofelectricity;Proteus;ACsampling;MCU。。,,。,。,,,。,。,,,,。,,,,,,Proteus。11.1()、()。,,,、、。,,、/,,,、。,、、:2008-12-25:张海峰(1977—),男,上海人,副教授,硕士。DOI:10.13901/j.cnki.qhwxxbzk.2009.02.009青海大学学报第27卷、,,,,。1.2,。,。,,,。(1)、,,,。(2),,,。(3),。,,,。,,,。(4),。,,。,AD,,。(5)[1],、。,、、、、、,,,。1.3,,,,,,SA9903B、AS8228[2,3],,,,。,,,,。,,;,IC;,;,;,;、,[4]。,。、、、、、、,100%。,2001;2005;80%[5]。,。2ProteusProteusLabcenterEDA,、PCB,20。,,。Proteus:ISISProteus,10000,;PROSPICE,SPICE3F5,;ProteusVSM2第2期张海峰等:基于Proteus的数字电能计量装置设计,、,,;AREAS,ISISPCB,。ProteusVSM,Keil,ProteusKeil。33.11、、、AD、、,1。、AD,、,,P=U·I·cos,,,。3.2。Tu(t)、i(t)N(N),ku(k),i(k):uk=u(k＊TN)=Umsin2πkN,k=0,1,…,N-1(1)ik=i(k＊TN)=Imsin(2πkN-φ),k=0,1,…,N-1(2),。、:U=1T∫0Tu2(t)dt=1T∑N-1k=0u2(kTN)TN=1N∑N-1k=0u2k(3)I=1T∫0Ti2(t)dt=1T∑N-1k=0i2(kTN)TN=1N∑N-1k=0i2k(4)(1)(2),,:,;。(3)(4),,cos,:P=U·I·cos(5),。3.3ADAD,、,2。ADC0809、,,74LS373ADC0809。ADC0809ADC0808,,ADC0808。3青海大学学报第27卷2AD343.4ADADC0809ALE,12MHz,ALE6,2MHz,ADC0809,74744AD500kHz,3。ProteusALE,SimulateProgramFet-ches=YES,4,ALEADCLK,AD。ProteusALEADCLK5。4Proteus5ALEAD5,2MHzALE500kHzADCLK,ADC08094第2期张海峰等:基于Proteus的数字电能计量装置设计6Proteus。3.5,Proteus,Keil,。KeilHex,Proteus(6),KeilProteus,,;ProteusDeubgUseRemoteDebugMonitor,KeilOptionsfortarget`target1',UseProteusVSMSimulator,Keil,Proteus,。4,AD,,,。Proteus,、。,,、3,,,、、,,,。,,Proteus,,Proteus,、、。:[1],,.[J].,2007,24(2):70-71.[2],,.SA9903B[J].,2007(10):50-52.[3],,.AS8228[J].,2007(8):52-57.[4].[J].,1998,35(12):3-5.[5].[J].,2007,8(8):106-107.(李渝珍)5