福州西区水厂变电站综合自动化的改造与实施

上海交通大学硕士学位论文福州西区水厂变电站综合自动化的改造与实施姓名：菅美枝申请学位级别：硕士专业：电力系统及其自动化指导教师：范春菊20080101RECONTRUCTIONANDACTUALIZATIONOFTRANSFORMERSUBSTATIONAUTOMATICCONTROLFORFUZHOUWESTAREAWATERPLANTABSTRACTTransformersubstationisveryimportantforpowersupplysystem.Theleveloftransformersubstationautomaticcontrolcandirectlyaffectthereliabilityofpowersystemrunning.Withtheperfectionofmicrocomputerprotectionunits,thedevelopmentoftransformersubstationautomaticcontrolisalsoveryquick.Whatiscalledtransformersubstationautomaticcontrolsystemisbasedonthetechnologyofcomputerhardware,micro-electronics,datacommunicationandmodulesoftware.Itisamicrocomputercontrolsystemwhichiscombinedcontrol,protection,measuringandremotefunctionwithfeatureofhighreliability,goodreal-timeandeasytobemaintenance.Thiswillbeadirectionforthedevelopmentofnewtransformersubstationandreconstructivetransformersubstation.Withtheresearchanddiscussionofa35/6kVandtwo6kVtransformersubstations’protectsystemofFuzhouWestareawaterPlant,thedissertationanalysesanddesignsanewprotectsystemofthesecondarysystem.Thissystemcanbeconnectedwithlocalareanetandincreasethelevelofwaterplant’smanagementlevel.Italsointroducedthemainelementusedinthetransformersubstationautomaticcontrolsystem---theprincipleandrelativetechnologiesofmicrocomputerprotectunit.Basedonthepresentstateofpowersupplyandthefunctionoftransformersubstation,itdeterminedthedistributedconfiguration.Everyprotectionunitisfitonhighvoltageswitchboxwhichreducedtheinvestmentandsimplifiedthesecondaryconnection.ThecontrolsystemsoftwareiscompletedontheplatformWindowsNT,usingthelanguageofVB.ThecommunicationofLANusedTCP/IP.Italsointroducedtheoperateprocessandsumuptheimpactandputupwiththesuggestiontobeimproved.Thisreformdesigncompletedtheautomationcontroloftransformersubstationandhighlyincreasedthereliability.Operatorscanmanagetransformersubstationbymicrocomputer.Andwiththenewsystem,thehistoricaldatacanberecordedanditisconvenientforsearching.Forthesecondarysystem,faultscanbediagnosedonline.Theconnectionbetweenourlocalareanetandtransformersubstationincreasedthemanagementlevelofourplantgreatly.Itprovidesalotofexperienceforthereformofsecondarysystemofothertransformersubstation.Keywords:transformersubstation’sautomation,microcomputertechnology,microcomputerprotectunit,datadisposal11.12341.2561.37891.4102.1Fig2.1:Computerrelayprotectiontheorydiagram112.1.12.1.2122.1.32.1.42.1.52.1.6132.2142.2.1(2.1)2.2()dttISTaw+=∫sin22/0tdtITwsin22/0∫=w22SI=Iw22=TsiiiSNkNK⎟⎠⎞⎜⎝⎛++=∑-=12/02/02121152.2.22.32.42.5()()∑∞=++=1110sincosnnsnctnItnIItiwwtdtiTITtC10)(1cos2w∫=tdtiTITtS10)(1sin2w∫=()tnItnItIsc1111sincosww+=()11sin2fw+=tI()scjIII1121+=212121scIII+=162.32.3.12.3.2172.4182.52.5.1MD32-T192.5.2(2.6)3jxlhphKIIK×=20()56.13)5/2000/(14665/400/264=×=phK212.6223.123243.23.3.1UPS3.1RTURTURTU35-500kV1PC25Fig3.1Traditionalmode3.3.2RTURS232RS4853.2LCDPCRTU26Fig3.2Focussectionscreenmode3.3.33.3LCD27Fig3.3Wholedispersemode3.3.43.435kV35kV12NMODBUSABGPSLCD28Fig3.4Partialdispersemode3.33.3.13.3.2N500kV/220kV/35kV500kV/220kV/35kVN293.3.33035kV6kV313.4335kV/6kV6kV6kV3/3.532MODBUSRS485TCP/IPCSMA/CD/1mmEMI3-----332km34Fig3.5Panefigureformonitorandcontrolsystem//123UPSUPSUPSUPSUPSGPS35/6kV6kV6kV6kV1-----N6kV1-----N35kV6kV1--N353.53634.1MICROELETTRICASCIENTIFICAULTRA374.24.2.13851IPC-610HCPUP42.8GHZ80GB512MDDR128MDVD-ROM16X1.44M3.5”Windows20002IPC-610HCPUP43.2GHZ160GB1G128MDVD-ROM16X1.44M3.5”Windows200035LCDDELL19LCD1920X14401024X7685ms4.2.24UPSAPCSU1000UXICH1kVA,800W3APCSU5000UXINET5kVA,3750W4.2.34EPSONPL-6200L4.2.4MOXANPORT5430I39MOXANPOTR5430IIPLCM10/100MbpsRS-48515KVESD2kVNPOTR5430INPOTR5430ILCM4IPNPOTR5430IWindowsTCP/IPNPORTRealCOMNPORT5430IWindowsRealCOM/RS-485COM102COM64s2ms35/6kV4NPORT5430I1246kV2NPORT5430I626kV2NPORT5430I62NPORT5430I404.2.5MOXAED6008-SS-SC610/100BaseTx2100BaseFxMOXAED6008810/100MED6008IEEEED6008MOXAMOXA300ED600835MOXALine-Swap1MOXAIPDHCP/BooPRAPPIPe-mail4MOXAED6008-SS-SC414.3Wonderware®Wonderware®InTouch™,Microsoft®Windows™NTWindows2000-(HMI)InTouchWonderwareFactorySuite™InTouchInTouchMicrosoftWindows9XXPNT20002003DDEODBC,MicrosoftAccessSQLServerInTouch(1)/42(2)/SCADAODBC//////Windows(3)(a)(b)//SQL/(4)(a)43(b)(c)OFFICEEXCEL(5)SCADA(6)Wonderware®InTouchInTouchMicrosoftWindowsActiveXOLEActiveXInTouchQuickScriptInTouch4.44.4.1444.4.2RS-485RS-4854.1RS-485TXDTTLABTTL10Kbps12km100Kbps1.2kmRS-485323245RS-485(1)10(2)9600bps(3)1.5V(4)5V(5)250mA4.4.3MODBUS_RTU114-111181:/1:/2464-211N16CRC(a)80255(b)ModBus1127MODBUS4-30304/47//03(d)CRCCRCMODBUSCRC216CRCCRCCRCCRC8CRCCRC488)CRCCRCCRC4.54.5.14.249Fig4.2Datacollectionfigure4.5.21(a)(b)(c)50(d)(e)(f)(g)2(a)(b)(c)(d)(e)3(a)(b)(c)(d)51(e)4.5.34.3Fig4.3Systemalarmmenu524.5.4(1)(2)(3)(a)(b)(c)(d)LCD(e)(f)534.4Fig4.4Systemremotecontrolmenu4.5.5(1)54LCD(2)14(3)4.5.6Fig4.5Systemhistoricalrecord554.5.7(1)(2)(3)(4)(5)(6)4.5.8(1)(2)56(3)(4)4.6575.1585.25960615.3626364655.4666.1671233DDE468697071福州西区水厂变电站综合自动化的改造与实施作者：菅美枝学位授予单位：上海交通大学本文链接：