Laminated Busbars: Ntau Txheej, Kev Ua Haujlwm Zoo dua?

Hauv kev lag luam hluav taws xob hluav taws xob thiab lub zog tshiab, muaj kev xav tsis zoo txog laminated busbar tsim -"ntau txheej txhais tau tias ua tau zoo dua." Los ntawm kev xav engineering, qhov kev pom no tsis nruj. Qhov kev xaiv ntawm cov khaubncaws sab nraud povtseg yog qhov tseem ceeb ntawm kev lag luam dav dav - tawm ntawm kev ua haujlwm hluav taws xob, kev tswj xyuas thermal, qhov chaw ua haujlwm, thiab tag nrho cov nqi ntawm lub neej. Raws li ib txwm laminated busbar passive hluav taws xob Cheebtsam, lawv tsim logic leans ntau dua rau kev sib piv dua qhov yooj yim parameter stacking.

 

 

 

Laminated busbars feem ntau yog tsim los ntawm alternating txheej ntawm conductive tooj liab thiab insulating dielectric. Cov txheej sib txawv ncaj qha cuam tshuam rau txoj kev faib tawm tam sim no, electromagnetic coupling, thiab thermal conductivity. Hauv kev siv engineering, cov qauv tseem ceeb yog nyob nruab nrab ntawm 2 thiab 6 txheej.

 

1. 2-Layer Structure: Tus Nqi -Kev daws teeb meem zoo rau cov ntawv thov yooj yim

Cov txheej txheem 2-txheej txheem yog ib feem ntawm ib nrab laminated busbar daim ntawv, muaj cov zoo thiab tsis zoo conductors thiab ib tug nruab nrab insulating txheej. Nws cov txheej txheem tsim khoom yog qhov paub tab, nws cov qauv yog qhov yooj yim, thiab nws yog qhov tsim nyog rau kev siv nrog cov kev xav tau hluav taws xob yooj yim.

 

Los ntawm kev pom kev ua tau zoo, cov qauv no ua tau raws li qhov yuav tsum tau ua ntawm cov conductivity thiab txo qis inductance piv rau cov kab ib txwm siv. Txawm li cas los xij, vim muaj kev txwv tsis pub muaj cua sov, nws qhov kub thiab txias tuaj yeem tswj tau nyob rau hauv cov xwm txheej siab tam sim no yog qhov nruab nrab. Nyob rau tib lub sijhawm, nws lub peev xwm tiv thaiv electromagnetic cuam tshuam yog qhov yooj yim, ua rau nws tsim nyog rau qis - mus rau nruab nrab - cov khoom siv fais fab.

 

Cov ntawv thov ib txwm muaj xws li UPS cov tshuab me me, qis-voltage inverters, thiab lub teeb yuag zog cia modules.

 

2. Peb-Txheej Txheej Txheem: Kev Kho Kom Zoo Dua Hauv Kev Ua Haujlwm thiab Kev Ua Haujlwm

Peb - txheej txheej busbar feem ntau yog siv lub davhlau ya nyob twg zoo + txheej txheej txheej + cov txheej txheem tsis zoo, xws li txheej thaiv thaiv lossis txheej nruab nrab, sawv cev rau peb yam - txheej laminated busbar tsim. Cov qauv no muaj ntau yam kev ua haujlwm siab hauv qis - mus rau nruab nrab - cov ntawv siv fais fab.

 

Los ntawm kev nthuav qhia cov txheej txheem ua haujlwm nruab nrab, kev ua haujlwm ntawm electromagnetic compatibility tuaj yeem txhim kho tau zoo thaum txhawb kev sib kis ntawm ntau- voj voog tam sim no. Nyob rau hauv cov nqe lus ntawm hluav taws xob kev ua tau zoo, nws stray inductance yog ho qis dua li ntawm ob - txheej txheej, ntxiv txhim khu kev ruaj ntseg system.

 

Cov qauv no yog dav siv nyob rau hauv qis -voltage systems rau lub zog tshiab tsheb, photovoltaic inverters, thiab EMI- cov cuab yeej siv rau kev lag luam, thiab tseem muaj feem ntau pom nyob rau hauv Laminated Busbar rau Electric Car applications.

 

3. 4-Cov txheej txheem txheej thiab saum toj no: Cov ntsiab lus daws teeb meem rau siab -Power thiab Siab-Kev sib xyaw ua ke

4- mus rau 6- txheej txheej txheej poob mus rau hauv lub cheeb tsam ntawm siab -kawg tsim, feem ntau siv ib tug ua ke ntawm ntau yam conductive txheej, shielding txheej, thiab teeb liab txheej los tsim ib tug complex Multi-Layer Composite Structure Connection Bar. Hauv cov tshuab hluav taws xob siab, hom qauv no yog ib qho tseem ceeb ntawm kev ua tiav kev ua tau zoo.

 

Ntau- txheej txheej, los ntawm kev ua kom luv luv ntawm txoj kev tam sim no thiab txhim kho qhov zoo thiab qhov tsis zoo electrode coupling, tuaj yeem txo qis inductance mus rau qib qis (txog nH), txhim kho qhov hluav taws xob nce siab hauv siab - zaus hloov khoom siv (xws li SiC thiab IGBTs). Tib lub sijhawm, cov txheej txheem ntau- txheej shunt ua rau thaj chaw tshav kub, ua rau peb - qhov ntev ntawm tshav kub diffusion txoj kev, yog li txhim kho lub peev xwm nqa tam sim no thiab txo qhov kub nce.

 

Hais txog kev sib koom ua ke, ntau- txheej busbars tuaj yeem txo tus naj npawb ntawm cov ntsiab lus sib txuas, txhim kho kev ntseeg tau, thiab txo qhov system loj. Lawv feem ntau siv nyob rau hauv siab - qhov yuav tsum tau muaj xws li laminated busbars nyob rau hauv siab - fais fab converters thiab subway laminated busbars nyob rau hauv rail transit.

 

 

 

1. Kev ua tau zoo ntawm hluav taws xob: Txhim kho qis inductance thiab siab -Frequency Adaptability

 

Ib qho tseem ceeb tseem ceeb ntawm laminated busbars yog qhov txo qis ntawm stray inductance. Raws li tus naj npawb ntawm cov khaubncaws sab nraud povtseg, cov coupling ntawm conductors muaj zog, thiab cov magnetic teb generated los ntawm rov qab tam sim no tshem tawm ib leeg, txo qhov system inductance. Cov yam ntxwv ntawm tus yam ntxwv no ua rau nws ib txwm Laminated Low Inductive Bus Bar daws.

 

Txawm li cas los xij, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias kev nce cov txheej txheem kuj tseem ua rau cov txheej txheem interlayer nce ntxiv, uas tuaj yeem cuam tshuam cov teeb liab kev ncaj ncees hauv siab - cov ntawv thov zaus. Yog li ntawd, kev tsim kho kom zoo raws li qhov tshwj xeeb hloov zaus yog qhov tsim nyog.

 

2. Kev Tswj Thermal Muaj Peev Xwm: Ua kom muaj txiaj ntsig zoo rau kev ua kom sov

 

Cov txheej txheem multilayer txo qhov tsim hluav taws xob hauv ib cheeb tsam los ntawm kev xa tawm tam sim no mus rau ntau tus neeg xyuas pib, thaum tib lub sijhawm ua kom lub tshav kub dissipation cheeb tsam. Ua ke nrog cov ntaub ntawv thermally conductive insulating, muaj txiaj ntsig zoo peb -qhov hluav taws xob hluav taws xob hluav taws xob tuaj yeem tsim tau.

 

Nyob rau hauv tib lub sijhawm tam sim no - nqa cov xwm txheej, qhov kub siab ntawm ntau txheej busbar tuaj yeem raug txo los ntawm 10 ~ 20K; nyob rau hauv tib lub ntim tej yam kev mob, nws tam sim no - nqa peev xwm yuav nce los ntawm ntau tshaj 20%. Cov yam ntxwv no ua rau nws muaj txiaj ntsig zoo nyob rau hauv siab -cov ntawv siv hluav taws xob xws li IGBT Laminated Busbars.

 

3. Kev muaj peev xwm ntawm kev sib koom ua ke: Cov qauv tsim thiab kev sib txuas tau zoo

 

Raws li cov khoom siv hluav taws xob hluav taws xob txhim kho mus rau kev sib koom ua ke siab dua, busbars tsis yog tsuas yog ua haujlwm ua haujlwm xwb tab sis kuj yuav tsum tau txhawb nqa ntau qhov kev faib tawm tam sim no thiab cov teeb liab xa mus. Ntau- txheej txheej ua kom muaj ntau- voj kev sib koom ua ke, txo cov naj npawb ntawm cov ntsiab lus sib txuas thiab txo qhov kev pheej hmoo ntawm kev sib cuag tsis ua haujlwm.

 

Hauv cov txheej txheem nyuaj, xws li Laminated Busbars rau Peb -Level Inverters lossis Laminated Busbars rau Complex Busbar Installations, ntau- txheej txheej tsim tau zoo txhim kho kev ruaj ntseg thiab siv qhov chaw.

 

4. EMC thiab Mechanical Stability: Adaptable to Complex Operating Conditions

 

Ntau- txheej txheej txheej txheej tuaj yeem txo cov hluav taws xob hluav taws xob zoo los ntawm kev tsim- hauv cov txheej thaiv, thaum tseem txhim kho kev tiv thaiv - muaj peev xwm cuam tshuam. Nyob rau hauv siab -kev vibration ib puag ncig (xws li tsheb lossis tsheb thauj mus los), ntau- txheej kub- cov txheej txheem nias muaj zog dua txhua yam thiab qaug zog ua haujlwm.

 

Tsis tas li ntawd, cov qauv encapsulated tag nrho muab kev tiv thaiv huab cua zoo dua, ua rau nws tiv taus siab - kub, siab - av noo, thiab siab - ntsev- tshuaj tsuag ib puag ncig.

 

5. Tus nqi thiab kev tsim khoom tsis yooj yim: nce ntxiv nrog cov txheej txheem ntau lawm

Kev nce cov txheej txheem txhais tau tias kev siv cov khoom siv ntau ntxiv thiab cov txheej txheem nyuaj. 2-3 cov txheej txheem txheej txheem muaj cov txheej txheem paub tab thiab cov txiaj ntsig siab, thaum cov khoom uas muaj 4 lossis ntau cov khaubncaws sab nraud povtseg xav tau ntau dua ntawm cov khoom siv precision, lamination tswj, thiab kev tswj kom zoo.

 

Piv txwv li, tsim rau Customized Laminated Busbars rau IGBTs lossis High Voltage Explosion-Cov pov thawj Inverter Busbars feem ntau yuav tsum muaj peev xwm tsim tau ntau dua thiab tswj cov txheej txheem nruj dua.

 

 

Hauv kev tsim qauv tsim qauv, kev xaiv txheej tsim nyog yuav tsum yog raws li kev ntsuas hluav taws xob thiab kev siv ib puag ncig:

 

Lub zog me me rau nruab nrab (<100kW): Ua ntej 2-3 txheej txheej txheem kom sib npaug tus nqi thiab kev ua haujlwm.
Lub zog nruab nrab (100kW ~ 500kW):3-4 txheej txheej yog pom zoo kom optimize inductance thiab kub dissipation.
High Power Systems (>500kW):Siv 4-6 txheej txheej txheem kom tau raws li qhov siab zaus thiab kev sib koom ua ke siab.
Complex Topology Systems:Xaiv 3-5 txheej txheej txheej raws li kev sib tw hauv Circuit Court kom ua tiav ntau cov channel tam sim no thiab symmetrical layout.

 

 

 

Nyob rau hauv ib tug laminated busbar tsim, cov nram qab no misconceptions yuav tsum tau zam:

 

Ua ntej, nce tus naj npawb ntawm cov khaubncaws sab nraud povtseg tsis tas yuav ua rau kev txhim kho kev ua haujlwm. Yog tias daim ntawv thov scenario muaj lub zog qis lossis qhov chaw tsawg, ntau txheej txheej yuav ua rau tus nqi nce ntxiv thiab muaj peev xwm ua kom muaj kev cuam tshuam ntxiv.

 

Qhov thib ob, kev suav txheej qis tsis tas txhais tau tias kev ua haujlwm tsis txaus. Hauv qis-rau- daim ntawv thov hluav taws xob nruab nrab, lub qhov dej-tsim 2-3 txheej busbar muaj txiaj ntsig zoo hauv ob qho tib si kev ruaj ntseg thiab kev siv nyiaj.

 

Thaum kawg, cov khoom lag luam nrog tib tus naj npawb ntawm cov khaubncaws sab nraud povtseg tsis tas yuav muaj kev ua tau zoo ib yam. Tus neeg xyuas pib thickness, cov ntaub ntawv rwb thaiv tsev, thiab cov txheej txheem tsim txhua yam cuam tshuam rau qhov kev ua tau zoo kawg.

 

 

Kev xaiv ntawm cov khaubncaws sab nraud povtseg nyob rau hauv ib tug multilayer busbar yog qhov tseem ceeb ntawm cov txheej txheem engineering teeb meem, yuav tsum muaj kev sib npaug ntawm cov hluav taws xob kev ua tau zoo, kev tswj xyuas thermal, kev sib koom ua ke, thiab tus nqi. Tsis muaj qhov zoo tshaj plaws txheej txheej txheej; tsuas yog cov kev daws teeb meem zoo tshaj plaws rau cov ntawv thov tshwj xeeb scenarios.

 

Nrog rau kev txhim kho lub zog tshiab, lub tsheb hluav taws xob, thiab cov khoom siv hluav taws xob siab - kawg lub zog hluav taws xob, ntau lub tsheb npav tau hloov zuj zus mus rau ntau zaus, muaj zog dua, thiab kev sib koom ua ke ntau dua, ntxiv dag zog rau qhov tseem ceeb ntawm lawv cov qauv tsim.

 

 

Peb muabmultilayer busbarcov kev daws teeb meem xws li cov qauv yooj yim mus rau siab -kawg customizations, catering rau txawv zog theem thiab daim ntawv thov scenarios. Cov kev daws teeb meem no suav nrog cov tsheb tshiab, hluav taws xob hluav taws xob, lub zog khaws cia, thiab kev tsheb ciav hlau. Peb cov khoom muaj xws li qis-inductance busbars optimized rau siab - zaus daim ntawv thov thiab customized multilayer structural designs haum rau siab - fais fab tshuab, dav siv nyob rau hauv IGBT module kev twb kev txuas thiab siab -voltage converter khoom. Los ntawm kev sib koom tes tsim nrog kev xaiv cov khoom siv, txheej txheem lamination, thiab kev ua kom zoo ntawm cov qauv, qhov kev sib npaug zoo ntawm kev ua tau zoo, kev ntseeg siab, thiab tus nqi yog tiav.