Ua rau, Kev Txais Txais, thiab Kev Npaj Kho Kom Zoo rau Kev Ruaj Ntseg Blistering thiab Delamination Faults hauv Composite laminated busbar

Raws li cov khoom siv hluav taws xob tseem ceeb hauv cov khoom siv hluav taws xob niaj hnub no, Composite laminated busbar ua tiav cov inductance qis, siab tam sim no - nqa lub peev xwm, thiab cov txheej txheem compact los ntawm kev sib txuas ntau txheej ntawm tooj liab conductors nrog cov ntaub ntawv insulating. Hauv cov ntawv thov xws li lub zog tshiab tsheb, photovoltaic inverters, tsheb ciav hlau thauj mus los, thiab cov khoom siv hluav taws xob, cov txheej txheem rwb thaiv tsev tsis tsuas yog muab hluav taws xob cais tawm xwb tab sis kuj txiav txim siab ntev - lub sij hawm kev cia siab ntawm tag nrho cov qauv busbar.

 

Hauv kev siv cov tswv yim, laminated busbars tuaj yeem pom qhov txawv txav xws li rwb thaiv tsev blistering, delamination, lossis hauv zos bulging. Cov teeb meem no feem ntau tsis yog los ntawm ib qho tsis xws luag tab sis tshwm sim los ntawm kev sib cuam tshuam ntawm cov ntaub ntawv, kev tsim khoom, kev tswj ib puag ncig, thiab kev tsim qauv. Thaum delamination tshwm sim hauv cov txheej txheej rwb thaiv tsev, cov huab cua sab hauv tuaj yeem tsim, ua rau qee qhov paug tawm (PD), txo lub zog dielectric, lossis txawm tias hluav taws xob tawg. Yog li ntawd, rau cov khoom uas nthuav tawm blistering tseem ceeb los yog delamination, kev ua tau zoo tsis tuaj yeem rov qab los ntawm kev rov ua kom sov lossis rov ua dua - nias; Hloov chaw, lub hauv paus ua rau tsis ua hauj lwm yuav tsum tau soj ntsuam, thiab kev txhim kho siv ntawm qhov chaw.

 

 

1. Cov khoom siv noo noo nqus lossis rwb thaiv tsev tsis zoo

Cov ntaub ntawv rwb thaiv tsev sab hauv ntawm cov laminated busbars feem ntau raug rau lub sij hawm ntev - raug rau qhov kub thiab txias, voltage cycling, thiab mechanical stress. Yog tias cov yeeb yaj kiab rwb thaiv tsev muaj qhov nqus dej noo siab lossis cov txheej txheem resin tsis muaj cua sov txaus, noo noo yuav vaporize thaum lub sij hawm tom qab thermal cycling, ua rau sab hauv siab thiab ua npuas rau hauv txheej rwb thaiv tsev.

 

Rau siab - kub, siab - siv fais fab- xws li laminated busbars rau siab - qhov kub thiab txias los yog inverter busbars - nws yog ib qho tseem ceeb rau xaiv cov ntaub ntawv rwb thaiv tsev nrog lub iav hloov kub (Tg), tsis tshua muaj noo noo nqus, thiab zoo heev dielectric zog (piv txwv li, hloov kho / PI) los yog polyim. Tsis tas li ntawd, kev kho saum npoo ntawm tooj liab conductors yuav tsum sib haum nrog cov txheej txheem resin kom ruaj khov, ntev -lub sij hawm interfacial bonding zog.

2. Kev tswj tsis raug ntawm qhov kub - Xovxwm Lamination txheej txheem

Laminated busbars feem ntau yog tsim los siv lub tshuab nqus tsev kub- xovxwm txheej txheem kom ua tiav kev sib koom ua ke ntawm cov tooj liab thiab cov txheej txheem rwb thaiv tsev. Yog tias preheating thiab degassing tsis txaus thaum lub sijhawm kub - xovxwm txheej txheem, cov pa seem lossis cov volatiles uas nyob hauv cov ntaub ntawv tsis tuaj yeem tshem tawm tau zoo, ua rau muaj npuas thaum lub sijhawm ua haujlwm kub tom qab - kub.

 

Thaum lub sij hawm tsim cov khoom xws li laminated busbar connectors thiab lub hwj chim daws, tsis xws li kub -nias kub, siab, cua sov tus nqi, thiab nqus tsev vacuum theem yuav tsum nruj me ntsis tswj. Cov cua kub ntau dhau tuaj yeem ua rau cov resin kaw cov pa tawm ntawm txoj hauv kev ua ntej ntxov, thaum lub siab tsis txaus feem ntau ua rau tsis txaus interlaminar bonding. Yog li ntawd, qhov kub - xovxwm profile yuav tsum tau ua kom zoo dua los ntawm kev ncua sij hawm preheating thiab degassing thiab kom ntseeg tau tias tsis sib xws siab faib thoob plaws tag nrho cov khoom siv.

3. Interfacial Contamination txo Bond Strength

Qhov zoo ntawm daim ntawv cog lus ntawm tooj liab conductors thiab cov ntaub ntawv rwb thaiv tsev yog qhov tseem ceeb ntawm kev txiav txim siab qhov kev ntseeg siab ntawm laminated busbars. Cov kab mob nyob rau ntawm qhov chaw tooj liab-xws li oxide txheej, roj, plua plav, lossis cov khoom seem ntawm machining- cuam tshuam cov tshuaj lom neeg muaj peev xwm ntawm cov resin thiab tooj liab, ua rau kev sib cuam tshuam ntawm lub ntsej muag yuav ua rau lub sij hawm ntev - thermal cycling.

 

Rau siab- zaus, siab- cov khoom lag luam muaj kev ntseeg siab (xws li laminated tooj liab busbars rau siab- zaus inverters), nruj ua ntej- kev kho cov tooj liab nto yuav tsum tau ua ua ntej kev tsim khoom. Cov txheej txheem xws li tshuaj ntxuav, roughening saum npoo, los yog kev kho plasma yog ua haujlwm los txhim kho kev ua haujlwm ntawm lub ntsej muag. Tsis tas li ntawd, qhov chaw tsim khoom yuav tsum tau tswj xyuas cov plua plav thiab cov av noo kom tsis txhob muaj cov kab mob sib kis los ntawm kev cuam tshuam cov lamination zoo.

 

 

Rau cov laminated busbars nthuav tawm blistering los yog delamination, yuav tsum tau ua qhov kev ntsuam xyuas ua ntej. Yog tias muaj kev sib cais tseem ceeb hauv interlaminar lossis cov voids sab hauv muaj nyob - lossis yog tias delamination raug lees paub los ntawm kev hla -sectional analysis- cov khoom yuav tsum tau muab pov tseg. Txij li thaum interlaminar daim ntawv cog lus tsim thaum lub tshuab nqus tsev kub- nias yog qhov kev sib txuas ruaj khov, thaum qhov kev sib raug zoo ntawm daim ntawv cog lus raug cuam tshuam, cov txheej txheem rov ua kom sov los yog rov ua dua- daim ntawv thov ntawm lub siab tsis tuaj yeem rov qab ua qhov qub.

 

Rau cov ntawv thov xws li laminated busbars rau cua turbine inverter IGBT I/O, qhov sib txawv zaus tsav (VFD/VSD), thiab AC tsav, cov kws tshaj lij txoj kev kuaj mob- suav nrog hla- kev tshuaj xyuas ntu, kuaj ib feem, thiab ntsuas cua sov (DSC/TGA){2} yog qhov yuav tsum tau ua.

 

Hais txog kev txhim kho cov txheej txheem, kev tswj xyuas cov khoom siv rwb thaiv tsev yuav tsum muaj zog ntxiv; cov txheej txheem xws li siv cov txee qhuav lossis lub tshuab nqus tsev yuav tsum tau ua haujlwm los tiv thaiv kev nqus dej. Thaum lub sij hawm tsim khoom, nws raug nquahu kom tswj cov av noo nyob rau hauv qhov tsim nyog thiab ua ntej - cov ntaub ntawv ci ua ntej txheej txheem lamination kom tsis txhob ya raws los ntawm kev nthuav dav rau cov roj thaum lub sij hawm siab - kub nias theem.

 

Tsis tas li ntawd, rau siab -kev siv hluav taws xob- xws li busbars rau PDUs, cua tshuab hluav taws xob, thiab SVGs (Static Var Generators)- kev tsim kho kom zoo yog tsim nyog. Cov kev ntsuas suav nrog nce rwb thaiv tsev txheej tuab kom nce Ib Feem Kev Tawm Tawm Tawm Voltage (PDIV), chamfering tooj liab tus neeg xyuas pib npoo kom txo cov hluav taws xob hauv cov ntsiab lus ntawm cov ntsiab lus ntse, thiab siv cov txheej txheem sealing / potting hauv cov chaw tseem ceeb kom txo qis qhov kev pheej hmoo ntawm huab cua sib txawv.

 

 

Kom paub meej tias qhov tshiabComposite laminated busbarlos yog txhim kho batch ua tau raws li qhov ntev - lub sij hawm ua hauj lwm yuav tsum tau, yuav tsum tau tsim ib tug systematic validation txheej txheem. Kev ntsuam xyuas kev ntseeg tau feem ntau suav nrog kev ntsuas qhov ntsuas hluav taws xob, kev kuaj ib nrab (PDIV), ntsuas kev ntsuas cua sov, thiab kev tshuaj xyuas sab hauv.

 

Rau kev siv hluav taws xob tshiab- xws li laminated busbars rau lub tsheb fais fab kev faib hluav taws xob, hluav taws xob hluav taws xob, thiab kev sib txuas ntawm tes sib txuas- nws yog qhov tsim nyog los simulate qhov chaw ua haujlwm tiag tiag. Validation ntawm rwb thaiv tsev txheej stability yog tiav los ntawm high- thiab qis-kub cycling (piv txwv li, -40℃rau 125 degree), mus sij hawm ntev voltage load testing, thiab mechanical stress testing.

 

Tsis tas li ntawd, nyob rau hauv kev tsim cov khoom siv siab -kev ntseeg siab- xws li laminated busbars rau kev tsheb nqaj hlau thauj mus los, siab -tam sim no fais fab hluav taws xob, thiab laminated fais fab tuav- yuav tsum tau ua raws li kev tswj hwm zoo, suav nrog txhua yam los ntawm kev tshuaj xyuas cov khoom siv raw thiab kev soj ntsuam cov khoom tiav. Los ntawm kev tswj hwm yam xws li cov ntaub ntawv noo noo, cov ntsiab lus resin, kub- nias profiles, thiab rwb thaiv tsev kev ua tau zoo, tej zaum yuav tsis ua hauj lwm txaus ntshai yuav tiv thaiv proactively.

 

 

Lub rwb thaiv tsev kev ua tau zoo ntawm laminated busbars tsis yog nyob ntawm kev xaiv cov khoom siv xwb tab sis kuj tseem nyob ze rau tag nrho cov qauv tsim thiab kev tsim muaj peev xwm. Cov ntawv thov xws li laminated shunts thiab tuav mus rau cov khoom siv hluav taws xob, hluav taws xob vuam tshuab, thiab cov khoom siv hluav taws xob xav tau cov qauv tsim kom haum rau qhov tshwj xeeb tam sim no, voltage, zaus, thiab kev ua haujlwm ib puag ncig.

 

Ib qhov zoo- tsim qauv laminated busbar zoo txo ​​cov kab mob parasitic inductance, txhim kho cov cua sov, thiab txo cov thermo- kev ntxhov siab hauv tshuab hluav taws xob thaum lub sijhawm ua haujlwm ntev -. Tsis tas li ntawd, kev sib koom tes tswj cov txheej txheem-xws li precision stamping, vuam, plating, thiab rwb thaiv tsev lamination- txhim kho cov khoom sib xws thiab txo qis kev pheej hmoo ntawm rwb thaiv tsev tsis ua haujlwm.

 

 

Yog tias koj tab tom tsim Composite laminated busbar cov khoom lag luam rau cov khoom lag luam xws li lub zog tshiab tsheb, hluav taws xob hluav taws xob, kev lag luam inverters, lossis kev tsheb nqaj hlau tsheb thauj mus los, thiab tab tom ntsib teeb meem nrog rwb thaiv tsev blistering, delamination, los yog kev ntseeg siab, thov hu rau peb. Peb muab kev txhawb nqa hauv kev ua kom zoo dua qub, cov khoom sib txuam, thiab cov txheej txheem tsim khoom raws li koj qhov kev thov, pab txhim kho cov khoom ruaj khov thiab kev pabcuam lub neej.