您好,欢迎访问三七文档
当前位置:首页 > 商业/管理/HR > 资本运营 > 油田抽油机用感应电动机调压节能控制策略的研究
337Vol.33,No.720077ACTAAUTOMATICASINICAJuly,200711112,,,,,,,.,..,,,TP202Variable-voltageEnergySavingStrategyforThree-phaseInductionMotorinOilPumpjacksZHUChang-Qing1WANGXiu-He1SHENNing1ZHANGXin1ZHANGCheng-Hui2AbstractAstheloadsofoilpumpinoil¯eldarechangingfrequently,athree-phaseinductionmotorthatdrivestheloadsoftenoperatesunderlight-loadconditions.Asaresult,thee±ciencyofthesystemislowandelectricenergyiswastedgreatly.Thispaperdiscussesthepossibilityofadjustingvoltageforthepurposeofenergysaving,deducestheoptimalvariable-voltagecoe±cientandgivesavariable-voltageenergysavingstrategyfortheinductionmotor.Thestrategylaysatheoreticalfoundationfore±ciencyimprovementandcostreducingofinductionmotorinoperation.Thecorrectnessofthemethodhasbeenprovedbyexperimentalresults.KeywordsEnergysaving,inductionmotor,oil¯eld,variable-voltage1..,,(30%),,[1].,,,,,,,.,[2].,[3,4].2005-10-242006-3-6ReceivedOctober24,2005;inrevisedformMarch6,2006(50477042),(Y2004F09)SupportedbyNationalNaturalScienceFoundationofP.R.China(50477042),NaturalScienceFoundationofShan-dongProvince(Y2004F09)1.2500612.2500611.SchoolofElectrical,ShandongUniversity,Jinan2500612.SchoolofControlScienceandEngineering,ShandongUniversity,Jinan250061DOI:10.1360/aas-007-0749,,,[5].,,,.[6,7],,\,,.,.2\,´=P2P1=P2P2+pFe+pCu+pmec+pad(1)P2,P1,pFe,pCu,pmec,pad.,:I21N=I2m+I22N,Im,I1NI2N.Xp1=pFe+pCu+pmec+pad=3I2mrm+3I21Nr1+3I22Nr2+pmec+pad=p0+pk75033p0=3I2m(rm+r1)+pmec+pad,pk=3I22N(r1+r2).´N=P2NP2N+Pp1=PNPN+p0+pk(2),P2=¯PN,¯,I2=¯I2N,I1=qI2m+¯2I22N,Pp2=p0+¯2pk.´1=P2P2+Pp2=¯PN¯PN+p0+¯2pk=PNPN+1¯p0+¯pk(3)(2)(3),´1¸´N,1¯p0+¯pk·pk+p0¯¸p0pk(4),(3),d´1d¯=0¯m=rp0pk(5)´max=PNPN+2pp0pk(6)¯(p0=pk;1),,¯=rp0pk.,,PN=22kW;p0=746W;pk=1:45kW,1.1,,(p0=pk=0:513;1),¯¸p0pk.(4)\,1)¯¸p0pk,´¸´N,.2)¯p0pk,\,,,.1Fig.1Relationbetweene±ciencyandloadatratedvoltage3U1=®U1N;P2=¯PN(¯p0pk),®,®1,Im;®=®Im,I2;®=1®I2=¯®I2N,I1=r®2I2m+¯2®2I22N,Xp3=3I2m;®rm+3I21r1+3I22;®r2+pmec+pad=p0+¯2®2pk+3(®2¡1)I2m(rm+r1)(7)p0;®=3I2m(rm+r1),(7)Xp3=p0+¯2®2pk¡(1¡®2)p0;®´®(¯)=¯PN¯PN+Pp3(8),´®¸´1,®¯pkp®1(9)kp=pkp0;®=I22N(r1+r2)I2m(r1+rm).(8)®,®m=4p¯2kp=p¯I2N=Im¢4p(r1+r2)=(r1+rm)(10)7751®m,(r1+r2);(r1+rm),I2N;Im,.Xp3;min=pmec+pad+2¯pp0;®pk´®;max(¯)=¯PN¯PN+Pp3;min=PNPN+2pp0;®pk+(p0¡p0;®)=¯(11),,,,23.,.2Fig.2Relationbetweenoptimalvoltageandload3Fig.3Relationbetweenmaximume±ciencyandload4,,I1=qI2m+¯2I22N,I1;®=r®2I2m+¯2®2I22N(12):1)¯=0,I1;®=®Im,.2)¯0,(12)®,®i=p¯I2N=Im(13)®i,I1;®®i,®®i,®,®®i,®.4.(10)(13),®i¼®m,.4(P2=6kW)Fig.4Responsecurveofstatorcurrenttostatorvoltage(P2=6kW)5,:1),\¯p0pk,;¯¸p0pk,.2)¯p0pk,®m=4p¯2kp,.3),,.752336,,,,,,.,,,,.,,.References1JiangXue-Jun,ChenXiu-He,DiMin-Yan.Energysavingtechnologyapplicationinpowerdrivingandeconomybene-¯tevaluation.OilandGasFieldSurfaceEngineering,2003,22(2):30»31(,,..,2003,22(2):30»31)2SundareswaranK.Animprovedenergy-savingschemeforcapacitor-runinductionmotor.IEEETransactionsonIn-dustrialElectronics,2001,48(1):238»2403ZhangCheng-Hui,LiAi-Wen,ZhangQing-Fan.Anovellossminimizationcontrolstrategyofaninductionmotordrive.TransactionsofChinaElectrotechnicalSociety,1998,13(4):25»38(,,..,1998,13(4):25»38)4TsuchiyaT,EgamiT.Applicationofimprovedoptimalreg-ulatortheorytooptimale±ciencycontrolofanelectricaldrivesystem.IEEETransactionsonAutomaticControl,1985,30(8):822»8255DaiGuang-Ping,LiuXiao-Fang,CuiXue-Shen,ShenJin-Bo,ZhangJian-Hua,LuoYing-Li.Thetheoryandmethodofsyntheticenergysavingforbeampumpingunit.ChinaPetroleumMachinery,2004,32(2):7»11(,,,,,..,2004,32(2):7»11)6HuangH,FuchsEF,WhiteJC.Optimizationofsingle-phaseinductionmotordesign:themaximume®¯ciencyandminimumcostofanoptimaldesign.IEEETransactionsonEnergyConversion,1988,3(2):357»3667TangYun-Qiu,ShiKe,ShenWen-Bao.ElectricalMachines0TheoryandOperation.Beijing:ChinaWaterPowerPress,1983.301»314(,,..:,1983.301»314)...E-mail:zhucq@sdu.edu.cn(ZHUChang-QingPh.D.candi-dateatShandongUniversity.Herre-searchinterestcoversintelligentcon-troltoelectricalmachinesandadjustingspeedby°uxweakening.Correspond-ingauthorofthispaper.),.E-mail:wangxh@sdu.edu.cn(WANGXiu-HeProfessoratShan-dongUniversity.Hisresearchinterestcoverscontrolofspecialelectricalma-chinesandexpertssystem.),.E-mail:¯re@mail.sdu.edu.cn(SHENNingMasterstudentatShandongUniversity.Hisresearchin-terestisdesignmethodofnovelelectri-calmachines.),.E-mail:skiry@126.com(ZHANGXinMasterstudentatShandongUniversity.Hisresearchin-terestisdesignmethodofnovelelectri-calmachines.),.E-mail:zchui@sdu.edu.cn(ZHANGCheng-HuiProfessoratShandongUniversity.Hisinterestcov-ersengineeringoptimizationcontrol,adaptivecontrol,powerelectronicandmotioncontrol.)
本文标题:油田抽油机用感应电动机调压节能控制策略的研究
链接地址:https://www.777doc.com/doc-828871 .html