Kev faib tawm ntawm kev hloov hluav taws xob, AD / DC thiab DC / DC fais fab mov hauv kev nthuav dav
Tib neeg lub zog hloov hluav taws xob thev naus laus zis thev naus laus zis yog sab ntawm txoj kev loj hlob ntawm cov khoom siv hluav taws xob muaj feem xyuam, sab ntawm txoj kev loj hlob ntawm kev hloov hluav taws xob inverter technology, ob qho tib si txhawb ib leeg los txhawb lub zog hloov hluav taws xob txhua xyoo kom ntau tshaj li ob tus lej loj hlob hauv cov kev taw qhia ntawm lub teeb, me me, nyias, tsis tshua muaj suab nrov, muaj kev ntseeg siab, kev txhim kho los tiv thaiv jamming. Hloov cov khoom siv hluav taws xob tuaj yeem muab faib ua ob pawg ntawm AC / DC thiab DC / DC, DC / DC converter tau tam sim no tau ua tiav cov qauv, thiab cov txheej txheem tsim tshuab thiab cov txheej txheem tsim khoom hauv tsev thiab txawv teb chaws tau matured thiab standardised, thiab tau lees paub los ntawm cov neeg siv, tab sis lub modularity ntawm AC / DC, vim nws tus kheej cov yam ntxwv ua rau cov txheej txheem ntawm modularity, ntsib nyob rau hauv lub modular txheej txheem, ib tug complex technology thiab manufacturing txheej txheem teeb meem. Hauv qab no yog ob hom kev hloov hluav taws xob hloov hluav taws xob thiab cov yam ntxwv tau piav qhia.
Kev hloov pauv DC / DC
DC / DC hloov dua siab tshiab yog hloov dua siab tshiab ntawm DC qhov hluav taws xob ruaj khov rau hauv qhov sib txawv DC voltage, tseem hu ua DC chopper. Chopper ua haujlwm nyob rau hauv ob txoj kev, ib qho yog pulse width modulation method Ts tsis hloov, hloov lub tuj (lub hom phiaj dav), qhov thib ob yog txoj kev hloov zaus zaus, lub tuj tsis hloov, hloov Ts (nruab nrab cuam tshuam). Nws cov Circuit Court tshwj xeeb muaj xws li cov hauv qab no:
(1) Buck circuits - pum choppers, uas nws qhov nruab nrab qhov hluav taws xob qhov hluav taws xob Uo tsawg tshaj li qhov input voltage Ui, nrog tib polarity.
(2) Boost circuits - boost choppers, uas nws cov zis nruab nrab voltage Uo yog ntau tshaj qhov input voltage Ui, nrog tib polarity.
(3) Buck-Boost Circuit Court - Buck los yog Boost chopper uas nws cov zis nruab nrab voltage Uo ntau dua los yog tsawg dua input voltage Ui, nrog opposite polarity thiab inductive hloov.
(4) Cuk Circuit Court - Buck lossis Boost Chopper nrog qhov nruab nrab qhov hluav taws xob tso zis Uo ntau dua lossis tsawg dua li cov khoom siv hluav taws xob Ui, qhov sib txawv polarity, thiab kev hloov pauv capacitive.
Niaj hnub no cov khoom siv hluav taws xob hloov pauv ua kom muaj txiaj ntsig zoo hauv DC / DC, Tebchaws Asmeskas VICOR lub tuam txhab tsim thiab tsim ntau yam ECI soft-switching DC / DC converter, nws cov zis siab tshaj plaws ntawm 300W, 600W, 800W, thiab lwm yam. Lub zog ceev ntawm (6, 2, 10, 17) W / cm3, qhov ua tau zoo ntawm ({10}}) ib xees. Nyiv lub NemicLambda * tshiab tau qhia txog kev hloov pauv tshuab ntawm lub zog hloov pauv hloov hluav taws xob ntau zaus RM series, nws qhov zaus hloov pauv (200-300) kHz, lub zog ceev tau mus txog 27 W / cm3, siv synchronous rectifier (MOS-FET hloov. ntawm Schottky diode), yog tag nrho Circuit Court efficiency nce mus rau 90%.
Kev hloov pauv AC / DC
AC / DC hloov dua siab tshiab yog hloov AC rau DC, lub zog ntws tuaj yeem ua tau ob txoj kev, lub zog ntws los ntawm lub zog xa mus rau lub load yog hu ua "rectification", lub zog ntws los ntawm lub load rov qab mus rau lub hwj huam mov yog hu ua " active inverter". AC / DC converter input 50/60 Hz AC, vim hais tias ntawm 50/60 Hz AC input, lub zog ntws los ntawm lub load mus rau lub load yog hu ua "active inverter". AC / DC converter input yog 50/60Hz alternating tam sim no, vim hais tias nws yuav tsum tau rectified, lim, yog li qhov loj lim capacitor yog qhov tseem ceeb, thiab vim hais tias ntawm kev ntsib ** cov qauv (xws li UL, CCEE, thiab lwm yam) thiab EMC cov lus qhia Cov kev txwv (xws li IEC, FCC, CSA), AC input sab yuav tsum tau ntxiv rau EMC lim thiab siv cov khoom kom ua tau raws li tus qauv, uas txwv qhov me me ntawm qhov loj ntawm AC / DC fais fab mov, thiab ntxiv rau. . Vim yog lub hauv siab-frequency, high-voltage, high-tam sim no hloov qhov kev txiav txim, ua rau nws nyuaj dua los daws qhov teeb meem ntawm EMC electromagnetic compatibility, tab sis kuj nyob rau hauv high-density installation Circuit Court tsim tso rau pem hauv ntej siab, vim tib yam. yog vim li cas, high-voltage, high-tam sim no switching ua rau lub hwj chim mov ua hauj lwm noj nce, limiting cov txheej txheem ntawm modularity ntawm AC / DC converter, yog li nws yuav tsum tau siv nyob rau hauv lub hwj chim mov system optimum tsim txoj kev nyob rau hauv thiaj li yuav ua kom nws efficiency mus cuag tau. ib qho kev txaus siab.
AC / DC converter tuaj yeem muab faib ua ib nrab-yoj Circuit Court thiab puv-yoj Circuit Court raws li kev xaim ntawm Circuit Court. Raws li tus naj npawb ntawm cov fais fab mov theem tuaj yeem muab faib ua ib zaug, peb theem, ntau theem. Raws li lub voj voog ua haujlwm quadrant tuaj yeem muab faib ua ib lub quadrant, ob quadrant, peb quadrant, plaub quadrant.
