Kev lag luam kev paub tsom xam ntawm rectifier txee

Rectifier txee yog ib yam khoom siv hluav taws xob uas hloov pauv tam sim no (AC) mus rau tam sim no (DC). Nws yog dav siv nyob rau hauv industrial manufacturing, kev sib txuas lus infrastructure, tsheb thauj mus los electrification, zog tshuab thiab lwm yam teb. Nws lub luag haujlwm tseem ceeb yog unidirectionally txheej txheem AC waveform los ntawm lub rectifier Circuit Court thiab tso zis DC fais fab uas ua tau raws li qhov yuav tsum tau ua. Rectifier txee feem ntau yog tsim los ntawm rectifiers, lim, tswj tshuab, cua sov dissipation, thiab lwm yam, thiab muaj cov yam ntxwv ntawm kev ua haujlwm siab, ruaj khov, thiab ua haujlwm tsis tu ncua. Hauv cov tshuab hluav taws xob, cov khoom siv hluav taws xob feem ntau siv nrog cov khoom siv hluav taws xob los yog cov khoom siv hluav taws xob kom ua tiav cov kev soj ntsuam zoo thiab kev tswj xyuas cov khoom siv hluav taws xob. Tsis tas li ntawd, nyob rau hauv qee qhov xwm txheej engineering, cov khoom siv hluav taws xob sab nraud yuav ua ke nrog lub txee hluav taws xob hluav taws xob lossis ib qho hauv - lub qhov hluav taws xob lub qhov hluav taws xob los muab qhov yooj yim DC fais fab sib txuas rau cov cuab yeej pabcuam hauv lub txee (xws li kev saib xyuas, teeb pom kev zoo, thiab cov kiv cua txias).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lub hauv paus ntsiab lus ua haujlwm ntawm lub txee rectifier yog ua raws li lub zog hluav taws xob hluav taws xob rectifier circuit. Raws li cov txheej txheem tswj sib txawv, nws tuaj yeem muab faib ua ob pawg: kev tswj tsis tau thiab kho tsis tau. Uncontrollable rectification siv diodes raws li rectifier ntsiab thiab siv lawv unidirectional conduction yam ntxwv: thaum lub zoo ib nrab voj voog ntawm alternating tam sim no yog siv rau ob kawg ntawm lub diode, lub diode conducts thiab tam sim no ntws los ntawm lub load; thaum lub voj voog tsis zoo ib nrab tuaj txog, lub diode txiav tawm thiab qhov tam sim no cuam tshuam. Nyob rau hauv txoj kev no, AC cov tswv yim hloov mus rau hauv cov zis DC pulsating. Txhawm rau kom tau txais DC qhov hluav taws xob zoo dua, lub tshuab lim dej (xws li lub tshuab lim capacitor, inductor lim lossis LC ua ke) feem ntau yog ntxiv rau lub txee rectifier kom txo cov ripple tivthaiv hauv cov zis tam sim no. Nyob rau hauv cov xwm txheej uas yuav tsum tau muaj hwj chim ntau dua, lub hwj chim mov txee los yog cov ntaub ntawv txee fais fab mov yuav siv tau raws li ib tug ntxiv los yog lwm txoj rau lub rectifier txee kom tau raws li DC fais fab mov xav tau ntawm cov khoom nyob rau hauv lub chav sib txuas lus los yog cov ntaub ntawv txee.

 

Kev tswj hwm kev tswj hwm siv cov kev hloov pauv hloov tau xws li thyristors (SCR) lossis insulated gate bipolar transistors (IGBT). Los ntawm kev kho lub kaum sab xis ntawm qhov taw tes mem tes (piv txwv li, lub kaum sab xis conduction), tus nqi nruab nrab ntawm qhov tso zis hluav taws xob tuaj yeem tswj tau meej. Qhov kom zoo dua ntawm controllable rectification yog hais tias nws muaj peev xwm paub txog dynamic hloov ntawm DC tso zis, thiab yog haum rau industrial scenarios uas muaj nruj txheej txheem yuav tsum tau rau voltage thiab tam sim no, xws li electroplating, electrolysis, thiab DC motor ceev tswj. Los ntawm qhov kev xav ntawm circuit topology, ib zaug -theem rectifier circuits yog tsim rau qis- fais fab kev siv (xws li ib zaug -theem ib nrab-wave, ib zaug-theem puv-wave rectification), thaum peb -theem rectifier circuits yog haum rau kev lag luam siab -theem rectifier circuits. Ntawm lawv, peb -theem choj tag nrho-wave rectification tau dhau los ua cov kev daws teeb meem loj vim yog cov khoom siv me me tam sim no hloov pauv thiab kev siv hluav taws xob siab. Lub rectified DC feem ntau tseem muaj qee qhov amplitude ntawm ripples, uas yuav tsum tau smoothed los ntawm lub lim Circuit Court. Rau cov khoom uas muaj qhov xav tau kev ruaj ntseg siab heev, lub txee rectifier kuj tseem tuaj yeem ntxiv kaw - voj voltage stabilization tswj. Los ntawm kev txheeb xyuas qhov tso zis hluav taws xob thiab muab piv nrog tus nqi siv, lub kaum sab xis yog hloov kho kom ua tiav cov zis tswj.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rectifier cov khoom ua si lub luag haujlwm tsis tuaj yeem hloov pauv hauv ntau qhov haujlwm engineering nrog lawv cov txiaj ntsig zoo, ruaj khov thiab tsim cov khoom tsim tawm. Hauv kev lag luam, cov txheej txheem electroplating thiab electrolysis yuav tsum tau ntev - lub sij hawm tso zis ntawm siab -tam sim no, qis - ripple DC zog. Rectifier txee tuaj yeem muab cov khoom siv hluav taws xob DC tswj kom raug los xyuas kom meej txheej txheej thiab electrolysis efficiency. Hauv DC lub cev muaj zog tsav tsheb, cov khoom siv rectifier muab kho tau DC armature voltage rau dov mills, cranes thiab lwm yam khoom siv. Cov cuab yeej siv vuam cia siab rau cov khoom siv hluav taws xob hloov pauv AC lub zog hluav taws xob rau hauv siab - tam sim no DC tso zis kom tau raws li qhov yuav tsum tau muaj kev ruaj ntseg ntawm vuam arc. Hauv kev sib txuas lus, kev sib txuas lus hauv paus chaw nres tsheb thiab cov chaw khaws ntaub ntawv tau siv dav hauv comms txee fais fab lossis lub txee nrog lub zog hluav taws xob raws li lub txee- theem hluav taws xob faib hluav taws xob. Lub hauv ntej -kawg lub ntsiab rectifier txee hloov lub mains AC mus rau hauv ib tug ruaj khov DC tsheb npav voltage (feem ntau -48V los yog 240V) muab ib tug uninterrupted DC fais fab mov rau hauv paus chaw nres tsheb cov khoom, servers thiab network keyboards. Nyob rau hauv txoj kev tsheb ciav hlau, subways, lub teeb rails thiab trams feem ntau siv DC traction fais fab mov.

 

Lub traction rectifier txee tau teeb tsa raws kab hloov AC lub zog ntawm daim phiaj mus rau 750V lossis 1500V DC los muab lub zog traction rau cov tsheb ciav hlau. Hluav taws xob tsheb them pawg kuj tso siab rau cov khoom siv hluav taws xob hloov pauv AC lub zog hluav taws xob rau hauv qhov hloov tau DC voltage kom tau raws li qhov xav tau ntawm cov roj teeb ntawm cov qauv sib txawv. Hauv lub zog hluav taws xob, DC lub zog tsim los ntawm cov tshuab hluav taws xob photovoltaic yuav tsum tau txuas nrog cov kab sib chaws los ntawm inverters, tab sis qee lub zog khaws cia tseem xav tau cov khoom siv rectifier los hloov AC lub zog rau hauv DC rau roj teeb them. Tom qab lub tshuab hluav taws xob tsim hluav taws xob tso tawm AC lub zog los ntawm lub tshuab hluav taws xob, nws kuj yuav tsum tau hloov mus rau DC los ntawm lub txee rectifier thiab tom qab ntawd txuas nrog cov kab sib txuas los ntawm inverter txuas lossis xa mus rau DC load. Hauv kev tshawb fawb txog kev kho mob thiab kev tshawb fawb, X- tshuab hluav taws xob, CT tshuab thiab ntau yam kev sim ntsuas ntsuas muaj qhov xav tau siab heev ntawm cov khoom siv hluav taws xob ripple thiab ruaj khov. Lub txee rectifier tuaj yeem siv ua ntej -kawg DC fais fab mov los muab cov khoom siv hluav taws xob DC ua ke nrog cov lim dej tom qab thiab cov theem voltage stabilization.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Thaum lub sijhawm ua haujlwm ntawm lub txee rectifier, cov khoom siv hluav taws xob (tshwj xeeb tshaj yog thyristors lossis siab - zog diodes) yuav ua kom muaj cua sov loj. Yog tias cov cua sov tsis tuaj yeem tawg mus rau lub sijhawm, qhov ntsuas kub ntawm qhov sib txuas yuav nce, uas yuav cuam tshuam rau lub neej ntawm cov khoom siv thiab txawm tias ua rau tsis ua haujlwm. Yog li ntawd, lub txee rectifier yuav tsum tau nruab nrog cov khoom siv hluav taws xob txhim khu kev qha. Cov txheej txheem muaj xws li yuam cua txias (axial flow kiv cua), natural convection heat sinks thiab water cooling systems. Cov kev xaiv tshwj xeeb yog nyob ntawm qhov ntsuas lub zog thiab ntawm - thaj chaw ib puag ncig. Nyob rau hauv cov nqe lus ntawm kev tiv thaiv tsim, lub rectifier txee integrates overvoltage tiv thaiv, overcurrent tiv thaiv, luv luv Circuit Court tiv thaiv thiab kub xyuas thiab lwm yam kev tiv thaiv circuits los xyuas kom meej tias cov zis yuav raug txiav tawm sai sai los yog tam sim no raug txwv nyob rau hauv txawv kev ua hauj lwm tej yam kev mob los tiv thaiv lub rectifier Cheebtsam thiab rov qab - kawg loads. Rau cov khoom siv rectifier xa tawm sab nraum zoov lossis hauv qhov chaw ntub dej, cov khoom siv hluav taws xob sab nraum zoov lossis cov khoom siv hluav taws xob sab nraum zoov tuaj yeem siv los ua cov vaj tsev daws teeb meem ntawm lub txee rectifier kom nce qib kev tiv thaiv mus rau IP54 thiab siab dua los tiv thaiv nag, plua plav thiab kev yaig. Tsis tas li ntawd, nyob rau hauv daim ntawv thov scenarios uas yuav tsum tau loj tam sim no ntsuas, lub 1000 amp ct txee tuaj yeem ntsia tau rau ntawm sab tswv yim ntawm lub txee rectifier kom coj mus kuaj tam sim no transformer ntawm AC cov kab tuaj kom ua tiav kev siv hluav taws xob thiab kev tiv thaiv chaw.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Peb txais tos thoob ntiaj teb engineering buyers thiab system integrators hu rau peb txogdelta rectifier txeexav tau qhov project. Peb yuav siv peb cov khoom siv hluav taws xob hluav taws xob engineering kev paub dhau los thiab kev tswj xyuas kev xa khoom nruj kom muab lub siab - cov cuab yeej siv tau lees paub thiab tag nrho - kev txhawb nqa kev pabcuam rau koj lub zog DC.