Busbar rau Fais Fab Kev Xaiv Phau Ntawv Qhia: Hais Txog Kev Lag Luam Mob Cov Ntsiab Lus, Sib Koom Nrog Kev Lag Luam Standards, thiab Precisely Adapting to High-Voltage Systems

Mar 14, 2026

cov khoom txhais

 

Lub tshuab hluav taws xob tshiab lub tsheb npav yog ntau- txheej txheej txuas txuas siv hauv lub zog hluav taws xob hluav taws xob ntawm lub tsheb hluav taws xob. Nws yog tsuas yog siv los txuas rau DC kev txhawb nqa capacitor (DC-Txuas Capacitor) thiab lub zog module (IGBT/SiC module) kom ua tiav qhov qis-impedance kis tau tus mob loj tam sim no thiab ruaj khov ntawm qhov hluav taws xob busbar. Lub busbar feem ntau yog siv ntau- txheej tooj liab phaj lossis txhuas phaj laminated qauv, thiab cov txheej txheem sib cais los ntawm cov ntaub ntawv insulating los ua ib qho qis -inductance, siab- kev ntseeg tau ntawm kev sib txuas hluav taws xob. IGBT Bus Bar yog IGBT busbar, tshwj xeeb yog siv los txuas IGBT fais fab modules thiab DC txhawb nqa capacitors. Nws yog qhov tseem ceeb ntawm cov khoom siv hluav taws xob hauv lub tsheb hluav taws xob inverter. Tus tsim yuav tsum tau ua kom tau raws li qhov tsis txaus ntseeg inductance (kom txo qis kev siv hluav taws xob), muaj peev xwm nqa tam sim no (ntau pua ntawm amps) thiab kev ua haujlwm zoo thaum tshav kub kub dissipation. EV Laminated Busbars yog lub tsheb hluav taws xob laminated busbars. Lawv siv ntau- txheej txheej laminated qauv los muab cov kab zoo thiab qhov tsis zoo ntawm cov tooj liab ua ke, nruj nreem txuas txoj hauv kev zoo thiab tsis zoo tam sim no, thiab siv cov kev sib nrig sib inductance los txo qhov tsis zoo ntawm lub voj voog mus rau theem qis.

 

Daim ntawv thov ntawm laminated busbars ua kom yooj yim rau kev xaim sab hauv ntawm lub inverter, thaum txhim kho lub zog ceev thiab kev ntseeg siab ntawm lub cev. Busbar rau DC-Txuas Capacitor yog DC kev them nyiaj yug capacitor busbar, uas tshwj xeeb yog siv los txuas DC-Txuas txuas capacitor thiab DC tsheb npav ntawm lub zog modules. DC-Txuas txuas capacitor plays lub zog txhawb nqa thiab lim lub luag haujlwm hauv inverter. Lub busbar ua haujlwm ua tus choj ntawm lub capacitor thiab lub zog module. Nws cov inductance tsis ncaj qha cuam tshuam rau qhov hluav taws xob nce siab thaum IGBT raug muab tua. Capacitor Busbar yog lub npe sib sau ua ke rau capacitor busbar, npog ntau hom kev sib txuas ntawm cov yeeb yaj kiab capacitors, electrolytic capacitors thiab lub zog modules. EV Capacitor Connector Bar yog lub tsheb fais fab txuas txuas bar. Nws feem ntau yog hais txog lub busbar luv luv txuas ntau lub capacitor units lossis capacitor banks. Daim ntawv no kuj yooj yim tab sis qhov ntau yog loj. EV Capacitor Fais Fab Distribution Bar yog lub tsheb hluav taws xob hluav taws xob hluav taws xob hluav taws xob hluav taws xob xa hluav taws xob, uas yog siv los faib DC lub zog los ntawm lub roj teeb pob rau ntau lub tshuab hluav taws xob lossis lub zog hluav taws xob los ua haujlwm raws li lub zog faib hluav taws xob.

 

busbar for Power Capacitor

 

Cov lus qhia ntxaws

 

Qhov zoo ntawm lub zog tshiab tsheb busbars tau cuam tshuam nyob rau hauv ntau cov ncauj lus kom ntxaws qhov ntev los ntawm kev xaiv cov khoom mus rau cov khoom tiav lawm. Thawj yog theem tswj ntawm stray inductance - tso IGBT Bus Bar ntawm tus ntsuas inductance thiab ntsuas qhov stray inductance ntawm qhov zoo thiab qhov tsis zoo. Rau kev siv lub tsheb hluav taws xob inverter, qhov kev tsis sib haum xeeb ntawm lub laminated busbar feem ntau yuav tsum nyob nruab nrab ntawm 10-30nH (qhov qis dua, qhov zoo dua). Cov inductance ntau dhau yuav ua rau muaj hluav taws xob tawg thaum lub IGBT raug kaw, txo cov kev ua haujlwm ntawm lub cev thiab txawm ua rau lub zog hluav taws xob puas. Kev soj ntsuam tus qauv ntawm lub busbar, txawm tias nws siv lub laminated qauv nrog nruj nreem txuas zoo thiab tsis zoo ncej, thiab seb qhov inductance offset qhov qhib nyob rau hauv qhov chaw sib hloov tam sim no yog lub hauv paus tseem ceeb rau kev soj ntsuam cov qauv tsim. Qhov thib ob yog qhov flatness thiab nto zoo ntawm lub davhlau ya nyob twg tiv tauj nto - rau Busbar rau DC -Txuas Capacitor thiab EV Film Capacitor Busbar, qhov flatness ntawm tooj liab nto nyob rau hauv kev sib cuag nrog lub capacitor terminals thiab fais fab module terminals yuav tsum tau tswj nyob rau hauv 0.1 hli. Siv rab riam-ntug tus pas ntsuas lossis ntsuas qhov ntsuas qhov ntsuas qhov ntsuas qhov kawg. Cov khoom tsim nyog yuav tsum tsis muaj warpage lossis dents pom ntawm qhov muag liab qab. Cov txheej txheej yuav tsum tsis sib xws thiab ci, tsis muaj oxidation, discoloration lossis khawb.

 

Qhov kev nthuav dav thib peb yog ntug qhov chaw thiab qhov kev ncua deb ntawm cov txheej rwb thaiv tsev - rau EV Laminated Busbars, xyuas seb lub ntug ntawm cov txheej rwb thaiv tsev puas dhau ntawm ntug ntawm cov tooj liab bar kom tau raws li cov qauv tsim (feem ntau ntau dua lossis sib npaug li 2 hli), uas yog tus yuam sij kom ntseeg tau qhov kev ncua deb thiab hluav taws xob clearance. Cov npoo ntawm cov txheej rwb thaiv tsev yuav tsum zoo huv si, tsis muaj delamination, npuas, lossis puas. Ntawm qhov zoo thiab qhov tsis zoo ntawm lub davhlau ya nyob twg cov hlau lead- tawm ntawm qhov chaw ntawm lub busbar, xyuas seb cov txheej txheem rwb thaiv tsev puas npog tag nrho cov khoom siv hluav taws xob tshwj tsis yog thaj chaw sib tiv tauj. Qhov thib plaub nthuav dav yog lub zog sib txuas tom qab lamination - sim tev tawm cov nplaum sib txuas ntawm cov txheej rwb thaiv tsev thiab cov tooj liab nrog koj txhais tes lossis cov cuab yeej, koj yuav tsum hnov ​​​​qhov pom tseeb tsis kam, thiab qhov sib cuam tshuam yuav tsum pom cov nplaum nplaum zoo ib yam (xws li lub ntsej muag tooj liab) tom qab tev tawm. Rau cov txheej txheem epoxy hauv Insulated Busbar rau EV Capacitor, siv tus ntoo khaub lig- txoj kev hatch los kuaj qhov adhesion - kos ib daim phiaj 1mm × 1mm rau saum npoo ntawm txheej, lo nrog daim kab xev thiab ces tev nws tawm. Qhov chaw tev ntawm cov txheej yuav tsum tsawg dua 5%. Qhov thib tsib nthuav dav yog qhov ntsuas kub ntawm qhov kev ua tau zoo ntawm lub busbar - tom qab qhov kub thiab txias tau ruaj khov nyob rau hauv cov khoom siv hluav taws xob tas li ntawm qhov ntsuas tam sim no, ntsuas qhov kub ntawm txhua qhov ntawm lub busbar.

 

busbar for Power Capacitor Details Show

 

Kev lag luam kev lag luam

 

Daim ntawv thov kev lag luam ntawm lub zog tshiab tsheb busbars feem ntau yog nyob rau hauv kev lag luam ntawm hluav taws xob tsheb tsim, lub hwj chim module ntim, them infrastructure thiab industrial inverters. Hauv kev lag luam hluav taws xob tsim tsheb, IGBT Bus Bars thiab EV Laminated Busbars yog cov khoom tseem ceeb hauv hluav taws xob tsheb inverters (motor controllers). Lub inverter ntawm txhua lub tsheb fais fab feem ntau muaj cov txheej txheem ntawm qhov zoo thiab tsis zoo busbars lossis peb -txheej busbars (tus ncej zoo, ncej tsis zoo, nruab nrab). Nrog rau txoj kev loj hlob sai ntawm cov tsheb fais fab mus rau qhov siab voltage (800V platform) thiab siab zog ceev, cov kev xav tau siab dua tau muab tso rau pem hauv ntej rau lub peev xwm nqa tam sim no, kev ua haujlwm kub dissipation thiab qis inductance tsim ntawm busbar. Nyob rau hauv lub hwj chim module ntim kev lag luam, Busbar rau DC-Txuas Capacitor yog dav siv los txhawb kev daws teeb meem rau lub zog modules (IGBT modules, SiC modules). Fais fab module manufacturers feem ntau co-tsim nrog cov neeg muag khoom busbar txhawm rau txhim kho qhov kev sib tw ntawm module terminal layout thiab busbar interface, yog li txo qhov voltage spikes thaum lub module raug kaw thiab txhim kho qhov system efficiency.

 

Hauv kev them nqi hluav taws xob, EV Capacitor Power Distribution Bar yog siv nyob rau hauv lub zog modules ntawm DC them pawg. DC charging pawg yuav tsum hloov pauv tam sim no mus rau tam sim no ncaj qha los them cov tsheb hluav taws xob, thiab lawv cov khoom siv hluav taws xob sab hauv thiab DC - DC modules kuj xav tau DC -Txuas cov khoom siv hluav taws xob thiab cov kev txhawb nqa busbars. Cov busbars nyob rau hauv cov pawg them nyiaj yuav tsum ua kom tau raws li huab cua tiv thaiv, noo noo- pov thawj thiab plua plav- cov ntaub ntawv pov thawj rau kev siv sab nraum zoov. Hauv kev lag luam ntawm cov khoom siv zaus hloov pauv, cov khoom zoo sib xws ntawm EV Film Capacitor Busbar kuj tau siv dav hauv kev lag luam tsav tsheb. Txawm hais tias muaj ntau zaus converters thiab hluav taws xob tsheb inverters muaj qhov sib txawv ntawm kev ua haujlwm ib puag ncig (qhov chaw muaj kev lag luam me me, tab sis muaj cov kev xav tau ntau dua rau kev ua haujlwm tsis tu ncua), cov haujlwm yooj yim thiab cov qauv tsim ntawm cov busbars yog tib yam. Nyob rau hauv lub tshav pob ntawm cov roj teeb thiab lub zog cia tshuab, Insulated Busbar rau EV Capacitor yog qee zaum siv rau kev sib txuas ntawm cov roj teeb modules thiab kev sib txuas hluav taws xob hauv BMS (Battery Management System). Rau cov khoom me me hauv Capacitor Busbar, nws kuj tseem siv rau hauv cov khoom siv hluav taws xob hauv tsheb xws li ntawm -cov khoom siv hluav taws xob (OBC), DC-DC converters, thiab hluav taws xob compressor controllers. Txawm hais tias lub zog theem ntawm cov cuab yeej no qis dua li ntawm lub ntsiab tsav inverter, lawv kuj xav tau qis -inductance busbar kev sib txuas daws teeb meem kom ntseeg tau tias electromagnetic compatibility thiab system efficiency.

 

Application of busbar for Power Capacitor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FAQ

Q: Vim li cas lub zog tshiab tsheb npav siv cov qauv laminated? Dab tsi yog qhov zoo?

A: Cov qauv laminated ze ze sib tshooj ntawm qhov zoo thiab qhov tsis zoo tooj liab tuav los ntawm cov txheej txheej insulating, kom txoj kev zoo thiab tsis zoo tam sim no nyob ze rau ib leeg. Siv cov kev sib nrig sib inductance, cov hlau nplaum uas tsim los ntawm qhov zoo thiab qhov tsis zoo tam sim no tshem tawm ib leeg, yog li txo qis lub voj voog inductance (rau 1/10 txog 1/50 ntawm cov kab txuas ib txwm muaj). Tsawg inductance txhais tau hais tias qhov hluav taws xob tsis tshua muaj hluav taws xob thaum lub IGBT raug kaw, kev hloov pauv me me, thiab cuam tshuam hluav taws xob tsawg dua. Nyob rau tib lub sijhawm, cov qauv laminated kuj ua kom yooj yim rau kev xaim ntawm lub inverter thiab txhim kho lub zog ceev.

Q: Dab tsi yog cov kev cai dav dav rau stray inductance ntawm IGBT busbars? Yuav ntsuas li cas?

A: Rau kev siv lub tsheb hluav taws xob inverter, qhov stray inductance ntawm laminated busbar feem ntau yuav tsum muaj tsawg dua 30nH, thiab cov qauv tsim siab tshaj tuaj yeem ncav cuag 10-15nH. Kev ntsuas txoj kev: Siv tus choj LCR lossis impedance analyzer siv lub teeb liab kuaj los ntawm DC input kawg ntawm lub busbar thiab ntsuas tus nqi inductance ntawm qhov zoo thiab qhov tsis zoo. Thaum ntsuas, yuav tsum tau them nyiaj mloog mus rau kev txhim kho lub busbar ntawm lub fixture uas simulates qhov tseeb installation ib puag ncig (xws li kev sib txuas nrog lub capacitor) kom ntseeg tau tias qhov ntsuas tau nyob ze rau qhov kev ua haujlwm tiag tiag.

Q: Yuav ua li cas xaiv ntawm tooj liab busbar thiab txhuas busbar?

A: Lub busbar tooj liab muaj ntau dua conductivity, zoo weldability, thiab thermal expansion coefficient uas zoo dua ntais ntawm lub hwj chim module terminals. Nws yog haum rau lub ntsiab fais fab circuits thiab lub sij hawm uas tsis tshua muaj siab ntseeg yuav tsum tau. Aluminium busbars yog lub teeb nyob rau hauv qhov hnyav thiab tsis tshua muaj nqi, tab sis muaj tsawg conductivity, nyuaj vuam, thiab cov kev pheej hmoo ntawm electrochemical corrosion nrog tooj liab terminals yuav tsum tau muab sau tseg. Tam sim no, lub ntsiab ntawm kev lag luam tseem yog cov tooj liab busbars. Qee cov qauv uas yuav tsum muaj lub teeb yuag siab yog pib sim cov txhuas busbars hauv cov khoom siv hluav taws xob.

Q: Dab tsi yog txoj kev sib txuas ntawm Busbar rau DC -Txuas Capacitor thiab IGBT module?

A: Muaj peb txoj hauv kev tseem ceeb: bolt txuas; crimp kev twb kev txuas (lub busbar davhlau ya nyob twg yog tsim raws li ib tug elastic qauv thiab ntsaws rau hauv lub IGBT davhlau ya nyob twg, txuag chaw tab sis kev sib cuag siab yuav tsum tau tswj kom raug); vuam kev sib txuas. Lub inverter tsim yuav tsum tau xaiv raws li qhov tseeb qhov teeb meem.

 

tiv tauj peb

 

Rau cov ncauj lus kom ntxaws txog kev xaiv, kev txhais cov txheej txheem parameter, thiab kev ua raws cai kev daws teeb meem rauBusbar rau Fais Fab Capacitor, thov koj xav tiv tauj peb rau kev txhawb nqa kev tshaj lij.

 

Ms Tina from Xiamen Apollo

Koj Tseem Yuav Zoo Li