电能质量信息快递第四期PDF

CONTENTcontentcommunicationforumindustrialinformationoverseasinformationcasestudiesJointeffortsneedtomadetoenhancethePowerQualitytogetherwithrelatedmanufacturers,electricalengineersandusers-AnInterviewwithMr.ZhongJinhua,ViceEngineerinChief,ChinaElectronicsEngineeringDesignInstituteTheLatestInformationaboutthePowerQualityIndustryApplyingPowerConditioningEquipmentCapacitorinharmonicrichenvironmentAnalysisonElectricalFireandSolution-TheCaseoftheBaseStationofMobileCommunicationsforJingboBranchofChinaUnicomVoltagesagesProblemandCaseanalysisRequirementsonPowerQualityoftheIntelligenceBuildings2006Schedulesof2006PowerQualitySeminarsP01communicationforumInetlligentBuildings1AC380V220V570GB5017493ABC1,50Hz1%,,ABC2RequirementsonPowerQualityoftheIntelligenceBuildingscommunicationforumP02WaveformdistortionrateABC31810V6000V120o3oTransientvoltagesurgeTransitionvoltagefall201550ms60.5s302050ms13.30.5s801.5km2km1.5ms1.5ms,MOS,,,,.10ms.,ABC4P0330Hz~100HzNuclearElectromagneticPulseNEMP1s100MHz2AC380V50HzUninterruptablePowerSupplyUPScommunicationforumP042006UPScommunicationforumSchedulesof2006PowerQualitySeminarsP05industrialinformationJointeffortsneedtomadetoenhancethePowerQualitytogetherwithrelatedmanufacturers,electricalengineersandusers—AnInterviewwithMr.ZhongJinhua,ViceEngineerinChief,ChinaElectronicsEngineeringDesignInstituteP06industrialinformation20061P07industrialinformationUPSP08industrialinformationTheLatestInformationaboutthePowerQualityIndustry20051112000232007712005111200671110P09industrialinformationZPSS82.5%17.5%200510ABBSVCLightZPSSSVCLightABBIGBTPress-packSVCLight1ZPSSZPSS800,000225,0003#43#GK400N10.5-0.60.92502002001619DZ158100AA24.5AB24.8AC17.8AN54ANA2.2N21)1250kral0kv0.4ky0.762)57113)0.95260kva1.51120052005330178215.62%0.621.25P10industrialinformation2004VQC11100015721513122005100kVA20056799.799.1P11industrialinformation200611020200420044.897182.58%67.89%30,24.1751000400200100(1)(2)35kV10kV380/220VP12*****UPS+6%-10%1%**overseasinformationApplyingPowerConditioningEquipmentP13*********************UPSUPSIEEESTD.11001999IEEE*overseasinformationoverseasinformationP14UPSUPSUPSEC&M2005.11P15overseasinformation20047--**LCXLfXCfLCF01/4capacitorinharmonicrichenvironmentStefanFasserbinderoverseasinformationP16W=S2*D/2W=V2*m/2D=S=m=V=SVStVt//9090sin2(t)+cos2(t)=1W=U2t*C/2+i2t*L/2=/9012Ldi/dtCRECTANGULARVOLTAGELCURRENTWITHRECTANGULARVOLTAGETRIANGULARCURRENTCVOLTAGEPLUSTRIANGULARCURRENTP17overseasinformation461/41/4--1/47770.8WVAVAR5*P18overseasinformation**cos0.38SMPSIEC83175V45OUTPUTVOLTAGEWITHCAPACITIVELOADOUTPUTVOLTAGEWITHRESISTIVELOADOUTPUTVOLTAGEWITHINDUCITIVELOADP19overseasinformation3.3.1FC/TCRCOS0.90.95--[1]P20overseasinformation=6%/100%100%75%50%3.15%7%11%50Hz11%150Hz100%[1]3.3.1/910P21overseasinformation1111WLFCOS50HzCOS-50Hz50Hz50%LCRESONANCEAMPLIFICATIONFREQUENCYRESONANCEAMPLIFICATIONFREQUENCYXLat50Hz=11%,XLat150Hz=33%(wrtXCat50Hz).XCat150Hz=33%.100%.ReferencesandBibliography[1]WolfgangHofmann,WolfgangJust:Blindleistungs-KompensationinderBetriebspraxis,VDEVerlag,Offenbach,Germany,4thedition,2003P2220055520528530698159161225IT200512F434128ABC131312814139148.6V99.92AcasestudiesP23BCBCA95573122614647*57111317196n16totalharmonicdistortionTHD*223.8VBBAC*ABCN*144ABCB42.2VC310V407%125V285V1225ACB299.2V8OUoABCYaYbYcYn111Yn2casestudiesP24B1230991226()1226AC*4A-PEB-PEC-PEN-PESPDSPD**PS48400-2C/50EMIElectromagneticSusceptibility101225ACSPDEMIcasestudiesP2510KV1/0.784/11DYn3nTT123451GB/T14549-932GB12325-903PS48400-2C/50420041casestudiesP26casestudies0.530IEC90~1IEEE90~102080ASDPLC50,000200,0002s600,00080201P27casestudies100ms500~80066171735kV,12408000kVA6kV722000kVA21600kVA91250kVA3800kVA60006500kW70007500kW1000kVAUPS1035ms200231101955.9131968.4%70101910601789.5%6170210.5%200~3001234UPSSSTSDVRUPSUPSUPSSSTSDVRDVRP28casestudies1/31/5UPS2DVRMainConverterDVREnergyStorageDVRLoadBoosterTransformerDVRDVR