Kev soj ntsuam ntawm Laminated Busbar Technology: Ib qho tseem ceeb ntawm kev txo qis qis inductance thiab txhim kho lub zog kev ntseeg siab hauv PV-Storage Systems

Nrog rau txoj kev loj hlob sai ntawm kev lag luam hluav taws xob tshiab, cov tshuab hluav taws xob photovoltaic (PV) tau hloov zuj zus mus rau lub zog ntau dua, kev hloov pauv ntau dua, thiab kev ntseeg siab dua. Thaum lub tshuab tsim feem ntau tseem ceeb rau PV module efficiency, roj teeb lub voj voog lub neej, thiab kev ua haujlwm ntawm lub tshuab fais fab, lub laminated busbar -ib qho tseem ceeb ntawm cov khoom siv hluav taws xob hloov hluav taws xob ntawm cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, thiab cov khoom siv hluav taws xob- tau dhau los ua qhov tseem ceeb cuam tshuam rau kev ua haujlwm tag nrho.

 

Hauv siab - lub zog txuag hluav taws xob hloov pauv, PV inverters, thiab lub zog hluav taws xob tshiab, busbars tsis yog tsuas yog xa tawm tam sim no tab sis kuj cuam tshuam ncaj qha rau cov kab mob parasitic, electromagnetic compatibility (EMC), thiab kev nyab xeeb ntawm cov khoom siv fais fab. Raws li qhov siab -kev hloov pauv ceev xws li IGBTs thiab SiC MOSFETs pom kev siv dav dav, qhov teeb meem ntawm kev tsis ncaj ncees inductance- muaj nyob rau hauv cov qauv ntawm cov tsoos tooj liab busbars- tau dhau los ua lus tshaj tawm. Laminated busbars, tus cwj pwm los ntawm qhov tsis tshua muaj inductance, kev sib koom ua ke siab, thiab kev ua tau zoo ntawm hluav taws xob, tau tshwm sim los ua ib qho kev sib txuas tseem ceeb rau cov tshuab hluav taws xob niaj hnub.

 

 

 

Hauv cov khoom siv hluav taws xob tshiab, cov txheej txheem hloov pauv hluav taws xob feem ntau cuam tshuam nrog ntau theem, suav nrog cov roj teeb pob, DC tsheb npav, capacitors, thiab inverter modules. Vim tias cov khoom siv hluav taws xob tsim hluav taws xob hloov pauv tam sim no (di/dt) thaum lub sij hawm siab - hloov ceev, txhua yam kab mob parasitic inductance nyob rau hauv lub voj tam sim no induces ntxiv voltage.

 

Raws li lub hauv paus ntsiab lus ntawm electromagnetic induction, thaum lub hwj chim ntaus ntawv hloov tawm sai heev, stray inductance generates ib tug transient voltage spikes; qhov loj ntawm qhov spike no ncaj qha cuam tshuam rau lub voj inductance thiab tus nqi ntawm kev hloov tam sim no. Yog tias qhov hluav taws xob nce siab tshaj qhov ntsuas qhov ntsuas hluav taws xob, nws tuaj yeem ua rau overvoltage tsis ua haujlwm hauv IGBT lossis SiC modules, yog li cuam tshuam qhov kev ntseeg tau.

 

Ib txwm ib txwm- txheej tooj liab busbars lossis cable interconnects feem ntau pom cov kab mob parasitic inductance siab vim tias qhov sib txawv tseem ceeb ntawm qhov zoo thiab qhov tsis zoo ntawm cov terminals tsim ib thaj tsam loj tam sim no. Hauv qhov sib piv, laminated busbars nruj nreem txheej txheej txheej txheej ntawm cov polarities sib txawv, tso cai rau cov hlau nplaum tsim los ntawm qhov zoo thiab qhov tsis zoo tam sim no tshem tawm ib leeg tawm, yog li cov txheej txheem txo lub voj inductance.

 

Yog li ntawd, nyob rau hauv siab - lub zog PV lub zog cia khoom, laminated busbars tsis yog ib qho yooj yim conductive connectors lawm; lawv yog cov txheej txheem tseem ceeb uas cuam tshuam rau kev ruaj ntseg ntawm tag nrho lub zog.

 

 

Laminated busbars feem ntau yog tsim los ntawm ntau txheej txheej ntawm cov khoom siv hluav taws xob thiab cov xov xwm insulating. High -conductivity tooj liab lossis txhuas feem ntau yog siv rau cov khoom siv hluav taws xob, thaum cov txheej txheej rwb thaiv tsev muaj ntau yam khoom siv hluav taws xob uas tau xaiv raws li qhov ntsuas hluav taws xob, qhov kub thiab txias, thiab qhov chaw ua haujlwm.

 

Lub tswv yim tsim tseem ceeb suav nrog kev ua kom luv luv ntawm txoj kev voj voog tam sim no thiab muab tso rau qhov zoo thiab qhov tsis zoo conductors kom ze li sai tau.

 

Thaum ob lub conductors nqa tam sim no nyob rau hauv opposite lus qhia nyob rau hauv parallel, lub resulting opposing magnetic teb tau zoo tshem tawm ib feem ntawm inductive nyhuv, yog li txo lub zuag qhia tag nrho voj impedance.

 

Piv nrog rau cov qauv tsim, laminated tsim tau txo qhov kev sib txuas ntawm lub zog modules thiab DC capacitors, uas ua rau cov kab mob qis dua rau lub cev. Cov qauv no yog dav siv nyob rau hauv siab - zaus hloov khoom siv- xws li laminated busbars rau qhov sib txawv zaus drives - ua tau raws li qhov yuav tsum tau ua rau cov lus teb sai thiab qis - ua haujlwm poob.

 

Nyob rau hauv lub zog cia converters, ib tug tsawg-stray- inductance tsim mitigates voltage spikes thaum hloov pauv. Qhov no ua rau lub zog hluav taws xob ua haujlwm ruaj khov ntawm cov zaus ntau dua, txo qhov xav tau kev tiv thaiv hluav taws xob ntxiv, thiab txhim kho kev ua haujlwm ntawm tag nrho.

 

 

 

1. Txo qhov hloov pauv hloov hluav taws xob

Thaum lub sijhawm ua haujlwm ntawm - cov khoom siv hluav taws xob ceev, qhov hluav taws xob overshoot tshwm sim thaum lub sijhawm tig -tawm yog qhov tseem ceeb cuam tshuam rau kev ntseeg tau. Los ntawm kev ua kom zoo rau txoj kev tam sim no, laminated busbars txo qhov kev sib hloov voj voog, yog li txo cov kab mob parasitic inductance.

 

Rau kev lag luam inverters siv IGBT modules, qis -inductance busbars zoo tswj kev hloov spikes thiab ua kom cov cuab yeej muaj kev nyab xeeb. Piv txwv li, laminated busbars tsim rau compact IGBT DC fais fab system optimize interlayer layout los txhim kho siab - ceev hloov kev ua tau zoo.

 

2. Txhim kho qhov sib faib tam sim no

Cov tsoos tuab tooj liab busbars ua rau muaj teeb meem xws li tam sim no muaj neeg coob coob thiab hauv cheeb tsam kub nce thaum lub sij hawm siab - ua haujlwm tam sim no. Cov teeb meem no tau dhau mus rau qhov siab - ib puag ncig zaus, qhov twg cov nyhuv ntawm daim tawv nqaij thiab qhov sib thooj cuam tshuam ntxiv cuam tshuam rau kev faib tawm tam sim no.

 

Laminated busbars siv ntau- txheej txheej txheej uas tso cai rau tam sim no faib ntau yam sib npaug ntawm tus neeg xyuas pib hla -section, ib txhij txo qis hauv cheeb tsam thermal concentration. Nyob rau hauv siab - daim ntawv thov kev ntseeg siab- xws li lub zog faib hluav taws xob (PDU) busbars - cov khoom siv yuav tsum tiv taus siab tsis tu ncua - kev ua haujlwm tam sim no nyob rau lub sijhawm ntev; Yog li ntawd, niaj hnub kev faib tawm yog qhov tseem ceeb rau kev ua haujlwm ntev.

 

3. Optimizing Electromagnetic Compatibility (EMC) Performance

High-Kev hloov pauv ceev hauv lub tshuab hluav taws xob hluav taws xob tsim hluav taws xob cuam tshuam tseem ceeb (EMI). High voj inductance nce tus nqi ntawm qhov voltage thiab tam sim no hloov pauv (dv / dt thiab di / dt), ua rau lub cev muaj kev cuam tshuam rau kev ua thiab cuam tshuam hluav taws xob.

 

Los ntawm kev txo qis hauv cheeb tsam tam sim no thiab txo cov hluav taws xob hluav taws xob hluav taws xob siv hluav taws xob, laminated busbars pab txhim kho cov cuab yeej EMC kev ua tau zoo thiab txo cov qauv tsim ntawm cov lim dej peripheral.

 

 

1. Interlayer rwb thaiv tsev deb tsim

Kev txiav txim siab lub thickness ntawm cov rwb thaiv tsev txheej yuav tsum muaj kev sib npaug ntawm qhov ntsuas hluav taws xob, kev nyab xeeb hluav taws xob, thiab kev tswj xyuas inductance. Kev rwb thaiv tsev ntau dhau ua rau qhov kev ncua deb ntawm cov neeg xyuas pib, yog li nce qhov tsis txaus ntseeg inductance, qhov tsis txaus thickness tuaj yeem cuam tshuam qhov muaj peev xwm tiv taus.

 

Yog li ntawd, tus txheej txheem tsim yuav tsum xyuas kom muaj qhov sib npaug tsim nyog raws li qhov ntsuas qhov ntsuas hluav taws xob, qhov chaw ua haujlwm, thiab cov qauv kev nyab xeeb cuam tshuam.

 

2. Kev xaiv cov khoom siv

Cov conductors feem ntau yog ua los ntawm tooj liab lossis txhuas. Copper muaj cov khoom siv hluav taws xob ntau dua, ua rau nws haum rau siab - tam sim no - daim ntawv thov ceev, thaum txhuas muaj qhov hnyav dua, ua rau nws zoo dua rau cov ntawv thov uas xav tau cov khoom hnyav.

 

Cov ntaub ntawv rwb thaiv tsev yuav tsum muaj qhov ua tau zoo ntawm cov cua sov, lub zog dielectric, thiab lub sijhawm ntev - ruaj khov. Piv txwv li, nyob rau hauv laminated busbars siv rau kev xa xov hluav taws xob xa hluav taws xob, qhov ntev - lub sijhawm ua haujlwm ib puag ncig xav tau kev ua haujlwm ruaj khov thiab txhim khu kev qha thermal tswj.

 

3. Kev sib txuas lus zoo

Cov ntsiab lus sib txuas ntawm cov busbar thiab cov khoom siv, xws li cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob, yog qhov tseem ceeb ntawm txoj hauv kev tam sim no. Kev sib txuas ntau dhau los lossis kev tsim qauv zoo tshaj plaws tuaj yeem ua rau cov kab mob parasitic inductance hauv zos.

 

Yog li ntawd, niaj hnub laminated busbar designs feem ntau siv ib qho kev sib xyaw ua ke rau capacitors, fais fab modules, thiab busbars kom txo tau qhov ntev ntawm siab -frequency commutation paths.
 

 

 

Nrog rau kev nce qib ntawm lub zog hluav taws xob thev naus laus zis, daim ntawv thov ntawm cov laminated busbars tau nthuav dav los ntawm cov khoom siv hluav taws xob tshiab mus rau ntau yam kev lag luam.

 

Hauv kev lag luam automation, qis-inductance IGBT theem laminated busbars yog siv nyob rau hauv siab- zog inverter systems; lawv cov qauv qis -inductance txhim khu kev ua haujlwm ntawm lub cev muaj zog tsav thiab cov txheej txheem hloov hluav taws xob. Hauv kev thauj mus los, siab - kev ntseeg siab ntawm cov tsheb thauj mus los tau siv hauv kev tsheb ciav hlau, cov khoom siv hluav taws xob thauj khoom, thiab cov tshuab hluav taws xob rau cov tsheb tshiab; Piv txwv li, composite busbars rau tsheb ciav hlau fais fab mov plaub-quadrant fais fab modules ua tau raws li qhov xav tau rau siab - hloov ceev thiab txhim khu kev qha ua haujlwm.

 

Hauv kev sib txuas lus thiab cov cuab yeej siv cov ntaub ntawv, raws li lub zog ntom ntom hauv cov servers thiab cov khoom siv sib txuas lus nce, cov qauv xws li laminated busbars rau khib- mount fais fab faib thiab internet router backplanes yog ua hauj lwm los txhim kho qhov chaw siv thiab kev faib hluav taws xob.

 

Tsis tas li ntawd, laminated busbars ua lub luag haujlwm tseem ceeb hauv cov khoom siv kho mob, kev tswj hwm kev lag luam, thiab cov tshuab hluav taws xob thaub qab- xws li cov khoom siv ntsuas kev kho mob thiab Uninterruptible Power Supply (UPS) systems- qhov twg lawv yuav tsum ua kom tau raws li cov kev xav tau rau kev xa hluav taws xob ruaj khov thiab ntev - lub sijhawm ua haujlwm kev ntseeg siab.

 

 

Nrog kev nce ntxiv ntawm thib peb- tiam semiconductor li SiC thiab GaN, thiab nce kev hloov pauv ntau zaus ntawm cov tshuab hluav taws xob hluav taws xob, muaj kev xav tau ntau ntxiv rau cov busbars uas muaj qhov qis inductance, kev ntseeg siab, thiab kev sib koom ua ke siab.

 

Yav tom ntej laminated busbar tshuab yuav evolve nyob rau hauv cov lus qhia nram qab no:

Ua ntej, kev sib koom ua ke siab dua yog qhov tseem ceeb. Los ntawm embedding cov khoom xws li decoupling capacitors, sensors, thiab tej yam kev tiv thaiv ncaj qha mus rau hauv lub busbar, tam sim no txoj kev yuav luv luv, yog li txhim kho cov lus teb ceev.

 

Thib ob, kev soj ntsuam cov thev naus laus zis yuav tau nce ntxiv rau hauv cov qauv tsim tsheb npav; integrating functions xws li kub thiab tam sim no sensing enables tiag tiag - lub sij hawm saib xyuas ntawm kev ua hauj lwm raws li txoj cai.

 

Nyob rau tib lub sijhawm, cov txheej txheem tsim khoom yuav txuas ntxiv mus ntxiv - xws li kev siv cov txheej txheem molding sophisticated los tsim cov txheej txheem 3D nyuaj - tso cai rau cov busbars kom haum rau cov txheej txheem kev sib cog lus ntxiv.

 

Hauv cov haujlwm xws li -kev ua tau zoo hauv kev suav, cov khoom siv hluav taws xob, thiab kev sib txuas lus hauv kev sib txuas lus, cov ntawv thov xws li laminated busbars rau supercomputer circuit boards lossis backplanes thiab fais fab tuag rov qab ua piv txwv yav tom ntej ntawm kev siab -ntaus fais fab architectures.

 

 

 

Raws li photovoltaic zog cia, lub zog tshiab tsheb, thiab kev lag luam hluav taws xob hluav taws xob tshuab hluav taws xob hloov mus rau kev ua tau zoo dua thiab lub zog ceev, laminated busbars tau tshwm sim los ua lub hauv paus tseem ceeb uas txiav txim siab tag nrho cov kev ua haujlwm.

 

Thaum lawv tsis ncaj qha hais txog lub zog hloov pauv lub peev xwm tib yam li cov roj teeb, lub zog hluav taws xob, lossis lub zog hluav taws xob, lawv muab lub hauv paus ruaj khov rau kev xa hluav taws xob thoob plaws tag nrho lub zog hluav taws xob los ntawm kev txo qis inductance, txhim kho txoj hauv kev tam sim no, thiab txhim kho kev ntseeg tau. Nyob rau hauv lub neej yav tom ntej, raws li cov khoom siv hluav taws xob tshiab hloov mus rau qhov siab dua, cov zaus ntau dua, thiab cov qauv tsim ntau dua,laminated busbarsyuav ua lub luag haujlwm tseem ceeb hauv cov haujlwm xws li kev khaws cia hluav taws xob, hluav taws xob tsav hluav taws xob, kev tswj hwm kev lag luam, thiab cov khoom siv hluav taws xob sib txuas lus, dhau los ua cov cuab yeej sib txuas tsis tseem ceeb rau cov tshuab hluav taws xob niaj hnub.