NCL30001-CCM模式单级PFC大功率LED驱动电源的设计

6201211JournalofPowerSupplyNo.6Nov.2012NCL30001CCMPFCLED1，2（1.，210024；2.，225000）：LED，LED。LED、、、、。NCL30001100WPFCLED、、、LED。。：LED；PFC；NCL30001：TM344.1：A：2095-2805（2012）06-0102-05：2012-08-14，，，、，、、LED。。LEDPFC，LED：PFC+PFC+LLC。PFC+PFC+LLC。。PFC。(PFC)-(AC-DC)LED———NCL30001。NCS1002。NCL30001(CCM)，，40W150W。CCMPFC，PFC，，。11.190-265VAC,48VDC，2.2A，≥0.95，Fs:70kHz。1.21.2.1EMIEMI1：L1、L2，L3。C1、C24700Pf。EMI；：f0=Fs5=70kHz5=14kHz，L3=1(2πf0)2×c=1(2×3.14×14×103)2×4700×10-12=27.5mH，L328～30mH。1MHz20dBfc=1MHz1020/40=1063.162=320KHz，L1·2=1(2×π×fc)2×c=1(2×3.14×320×103)2×4700×10-12=53μHL1、L2。。L1、L2H10/6/4AL：1000nH/N2，Φ0.45mm10。、。1.2.2EMI，RM。RM，，EMI。，RMEE。。：AP=Ae×AW=（P0KΔBfT）4/3cm4。：P0（W）；ΔB（T）；fT（Hz）；K0.014()；AP=（P0KΔBfT）4/3=（48×2.20.014×0.1×70kHz）4/3=1.07cm4RM12Ae：1.46cm4AW：1.1cm4：AP=Ae×AW=1.46×1.1=1.6cm4＞1.07cm4，RM12。：VIN=VAC×1.414=85×1.414=120V：N=NPNS=VIN×DmaxV0×(1-Dmax)=120×0.548×（1-0.5）=2.5：IPK=2P0ηVIN=2U0×I0ηVIN=2×48×2.20.85×120=2A：LP=VIN×DmaxIPK×fs=120×0.52×70=0.428mH：NP=LP×IPKΔB×Ae=0.428×20.16×146=36Ts：NS=NPN=362.5=14.4Ts14Ts，2。22.12：CCM（PFC）Flyback。。NCL30001，OVP、OCP、OTP。，D5C4。C4，，13PWMQ1。Q1Q1。56Q3、Z3、R4、C5VCC。NCL300011C9。Fs=47000C9=47000680pF=69.11kHz≈70kHz：NCL30001CCMPFCLED61EMI1034470kHz。Q1R20。R3、C7、D7RCDMOSFET。NCS1002。Q4、R27、Z4、C3014V，NCS1002。32.5V。U3A2R34、R3555V。U3B5R31、R32：2.5×R31R31+R32=2.5×4.343+4.3≈0.22V。U3B62.2A。3110VACMOSTFETDS33.1MOSFETDS110VACMOSFETDS3、4：220VACMOSFETDS5、6。3.27。4110VACMOSTFET5220VACMOSTFETDS1047110V0.996，220V0.985，265V0.976，0.976。。3.38：88110V2.15A，220V2.19A，265V2.2A。2.27%。3.49：9110V84%，190V89.1%，220V88%。44.1：130mm×60mm×48mm。10。105NCL30001100WPFCAC/6220VACMOSTFET79：NCL30001CCMPFCLED610544ResearchontheInfluenceofWind-solarHybridPowerSupplySystemtotheReliabilityofDistributionNetworkLANHua1,LIZheng-yang1,WANGYun-ran2(1.SchoolofElectricalEngineering,NortheastDianliUniversity,JilinJilin132012,China;2.CNPCGreatwallDrillingCompany,Beijing100020,China.)Abstract：Akindofwind-solarhybridpowersupplysystemwasintroduced.Thestabilityofdistributionnetworkwillbeinfluencedafterwindandsolarpowerparallelinginthegridbecauseoftheinstantaneityanduncontrollabilityofwindandsolarpower.Theminimalpathmethodwasusedforcalculatingthestabilityofdistributionnetwork.Thentheinfluenceofwind-solarhybridpowersupplysystemtodistributionnetworkwasanalyzed,withcomparisonwithwindpowerandphotovoltaicpower.Theconclusionisthattheinfluenceofwind-solarhybridpowersupplysystemtodistributionnetworkisthesmallest.Keywords：wind-solarhybridpowersupplysystem;theminimalpathmethod;thereliabilityofdistributionnetwork;windpower;photovoltaicpowerDC，（89%）。，2.27%。PFC+LLCPFC+。PFC。100W，。：[1].NCL30001DATASHEEETHigh-Efficien-cySingleStagePowerFactorCorrectionandStep-DownOfflineLEDDriver.2010.[2].DesignNote-DN06068/D.2010.[3]..，2004.[4]..，2012.DesignofNCL30001Single-stagePFCCCMmodeofHighPowerLEDDriverPowerSupplyFENGShi-Sheng1，2(1.NanjingInseitueeofRailwayTechnology,AutomaticControlSystem,NanjingJiangsu210024,China;2.YangzhouNewGenerationsofPhotoelectricLightingLimitedCo.,Ltd.,YangzhouJiangsu225000,China;)Abstract：TheLEDisthedevelopmenttrendoflightingandhasarelativelyhighcostcomparedtotraditionallightsourcesatpresent,whichrestrictsitsmassiveuse.Therequirementssuchasthehighpowerfactor,smallsize,highefficiency,longlifetime,low-costarenecessaryforLEDdrivingpower.A100WsinglestagePFChighpowerLEDdriverpowersupplyusingtheNCL30001wasdesignedtomeetthehighpowerfactor,smallsize,highefficiency,longlifecaseofgreatlyloweringthecostofLEDdrivepower.Finally,aprototypewasdesignedandresultsweregiven.Keywords：highpowerLED;Single-stagePFC;NCL30001（96）106