Cov ntaub ntawv tseem ceeb ntawm transformers ncaj qha txiav txim siab lawv lub zog efficiency, stability thiab kev pab lub neej. Ntawm cov ntaub ntawv tseem ceeb ntawm transformer lub cev tseem ceeb (cov khoom siv hluav taws xob sib nqus, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, thiab lwm yam), silicon steel los xij thiab amorphous alloy cores yog cov tub ntxhais ntawm cov khoom siv hluav taws xob sib nqus, uas yog qhov tseem ceeb rau kev ua haujlwm tag nrho ntawm transformers. Seb nws yog tus150 kva rho tawm transformerdav siv nyob rau hauv industrial ntau lawm los yog cov kauj ruam nce kev rho tawm transformer rau voltage tswj thiab kis tau tus mob, kev xaiv ntawm siab -cov ntaub ntawv zoo yog lub hauv paus rau kev ruaj ntseg ua hauj lwm. Hauv qab no, JINSHANMEN TECHNOLOGY CO., LTD yuav coj koj mus rau hauv - nkag siab tob ntawm ob cov ntaub ntawv tseem ceeb.
1. Silicon Steel Sheet (Silicon Steel Laminations)
Silicon steel sheet yog ib hom ferrosilicon alloy nrog cov khoom sib nqus tshwj xeeb, uas yog cov khoom siv feem ntau siv hauv cov khoom siv hluav taws xob. Rau transformers ntawm ntau hom thiab specifications, xws li 150 kva cais transformer thiab nce kev rho tawm transformer, cov kev ua tau zoo ntawm silicon steel los xij yog qhov yooj yim, feem ntau suav nrog cov hauv qab no:
a) Tsis tshua muaj hlau poob: Qhov no yog qhov tseem ceeb tshaj plaws qhia ntawm silicon steel ntawv zoo. Txhua lub teb chaws faib cov qhab nia raws li tus nqi poob hlau; qhov qis hlau poob, qib siab dua. b) High sib nqus induction siv (sib nqus induction) nyob rau hauv lub zog magnetic teb: Qhov no txo qhov ntim thiab qhov hnyav ntawm cov tub ntxhais hlau ntawm cov motors thiab transformers, txuag silicon steel los xij, tooj liab xov hlau, cov ntaub ntawv insulating, thiab lwm yam c) du, tiaj tus thiab cov tuab tuab: Nws tuaj yeem txhim kho qhov ntim ntawm cov tub ntxhais hlau. d) Zoo punchability: Ib qho yooj yim rau txheej txheem thiab daim ntawv. e) Zoo adhesion thiab weldability ntawm nto rwb thaiv tsev zaj duab xis: Nws tuaj yeem tiv thaiv corrosion thiab txhim kho punchability. f) Yeej tsis muaj kev laus sib nqus: Ua kom ruaj khov cov khoom sib nqus thaum lub sij hawm ntev - siv.
1.1 Kev faib tawm thiab qib txhais ntawm Silicon Steel Sheets
Transformers feem ntau txais yuav txias- dov nplej- taw qhia cov ntawv silicon steel los xyuas kom meej tias lawv tsis muaj - load zog efficiency. Raws li kev ua tau zoo thiab kev ua, txias-rolled grain-oriented silicon steel los xij tuaj yeem muab faib ua qhov txias txias-rolled grain-oriented silicon steel los xij, siab sib nqus permeability silicon steel nplooj (los yog high magnetic induction silicon steel nplooj), thiab laser -Silicon steel ntawv. Feem ntau, silicon steel los xij nrog qhov tsawg kawg nkaus sib nqus polarization siv B800A=1.78T ~ 1.85T nyob rau hauv 50Hz, 800A alternating magnetic field (nce tus nqi) yog hu ua cov ntawv zoo tib yam silicon steel los xij, txhais tau tias "CGO", thaum cov ntawv uas muaj B800A {{{16} ntau dua yog cov hlau nplaum sib nqus (sib nqus siab) induction silicon steel nplooj ntawv), txhais ua "Hi-B steel". Qhov sib txawv tseem ceeb ntawm Hi-B steel thiab cov paib silicon steel los xij yog tias Hi-B steel muaj qib siab Goss zoo nkauj heev, uas yog, kev sib dhos ntawm silicon steel nplej hauv cov kev taw qhia yooj yim magnetization yog siab heev. Kev lag luam, cov txheej txheem recrystallization thib ob yog siv los tsim cov ntawv silicon steel nrog cov ntsiab lus silicon ntawm 3%. Qhov nruab nrab qhov sib txawv ntawm cov nplej orientation ntawm Hi-B steel los ntawm dov kev taw qhia yog 3 degree, thaum cov nplooj ntawv silicon zoo tib yam yog 7 degree, uas ua rau Hi-B steel muaj siab dua magnetic permeability. Feem ntau, nws B800A tuaj yeem ncav cuag ntau dua 1.88T. Txhim kho Goss kev ntxhib los mos℃thiab sib nqus permeability tuaj yeem txo cov hlau poob.
Lwm qhov tshwj xeeb ntawm Hi-B steel yog qhov elastic nro ntawm cov iav zaj duab xis thiab cov txheej txheem insulating txuas rau saum npoo ntawm cov ntawv hlau yog 3 ~ 5N / mm2, uas zoo dua li 1 ~ 2 N / mm2 ntawm cov ntawv zoo tib yam silicon steel los xij. Qhov siab- txheej nro ntawm cov hlau nplaum tuaj yeem txo qhov sib nqus qhov dav thiab qhov txawv txav tam sim no poob. Yog li ntawd, nyob zoo-B steel muaj tus nqi qis dua hlau ntau dua li cov pa roj carbon monoxide steel ntawv.
Laser-Silicon steel ntawv yog ua raws li Hi-B steel. Los ntawm laser beam irradiation thev naus laus zis, cov kab mob me me raug tsim tawm ntawm qhov chaw, ntxiv cov hlau nplaum txuas ntxiv thiab ua tiav cov hlau tsis zoo. Laser-cov ntaub ntawv silicon steel tsis tuaj yeem muab tshem tawm, vim tias qhov kub thiab txias yuav ua rau cov nyhuv kho laser ploj.
Cov khoom ntawm lub cev ntawm cov qib sib txawv ntawm cov ntawv silicon steel yog qhov sib npaug, thiab qhov ceev yog 7.65g / cm3. Rau tib hom silicon steel los xij, qhov sib txawv tseem ceeb hauv kev ua tau zoo thiab cov lus dag hauv silicon cov ntsiab lus thiab kev cuam tshuam ntawm cov txheej txheem ntau lawm. Lub 150 kva rho tawm transformer thiab nce kev rho tawm transformer tsim los ntawm JINSHANMEN TECHNOLOGY CO., LTD xaiv siab-qib txias-rolled grain- taw qhia silicon steel los xij raws li kev ua haujlwm tiag tiag, ua kom muaj zog zoo thiab ua haujlwm ruaj khov.
2. Amorphous Alloy Core
Amorphous alloy khoom yog ib hom tshiab ntawm cov khoom siv hlau tsim hauv xyoo 1970s. Nws siv thoob ntiaj teb qib siab tshaj ultra- tshuab cua txias kom ncaj qha cov kua hlau txias rau hauv cov khoom nyias nyias nrog lub thickness ntawm 0.02-0.03mm ntawm qhov cua txias ntawm 106℃/S, uas ua kom khov ua ntej nws muaj sij hawm crystallize. Zoo ib yam li iav, cov khoom siv alloy no muaj qhov tsis sib xws ntawm atomic kev npaj thiab tsis muaj cov qauv siv lead ua cim los ntawm cov hlau. Nws cov ntsiab lus tseem ceeb suav nrog hlau (Fe), npib tsib xee (Ni), cobalt (Co), silicon (Si), boron (B), carbon (C), thiab lwm yam. Vim nws cov khoom sib nqus zoo heev thiab kev txuag hluav taws xob, nws tau siv dav hauv kev tsim cov tub ntxhais transformers, tshwj xeeb tshaj yog nyob rau hauv amorphous alloy fais fab transformers. Piv nrog rau cov tsoos silicon steel sheet cores, amorphous alloy cores muaj qhov zoo tshaj plaws, uas tseem ua rau 150 kva rho tawm transformer thiabnce kev rho tawm transformernruab nrog lawv muaj lub zog zoo dua -txuag kev ua haujlwm.
2.1 Qhov zoo ntawm Amorphous Alloy Materials
a) Isotropic soft magnetic khoom: Amorphous alloy khoom tsis muaj cov qauv siv lead ua thiab yog cov khoom siv hlau nplaum isotropic; nws muaj me me magnetization zog thiab zoo kub stability. Txij li thaum amorphous alloy yog ib yam khoom uas tsis yog - taw qhia, ncaj seams tuaj yeem siv tau, ua cov txheej txheem ntawm kev tsim cov hlau tseem ceeb kuj yooj yim. b) Tsis tshua muaj hysteresis poob: Tsis muaj cov yam ntxwv tsis xws luag uas cuam tshuam kev txav ntawm cov hlau nplaum sib nqus, yog li qhov hysteresis poob yog me dua li ntawm silicon steel los xij. c) Ultra-thin strip: Lub thickness ntawm cov sawb tsuas yog 0.02-0.03mm, uas yog li ntawm 1/10 ntawm cov ntaub ntawv silicon steel. d) High resistivity thiab tsis tshua muaj eddy tam sim no poob: Lub resistivity yog li ntawm 3 npaug ntawm oriented silicon steel nplooj ntawv; qhov eddy tam sim no poob ntawm amorphous alloy cov ntaub ntawv raug txo qis heev, yog li qhov poob ntawm chav tsev yog li 20% -30% ntawm cov ntawv qhia txog silicon steel. e) Zoo heev tsis muaj-load kev ua tau zoo: Qhov kub ntawm qhov annealing yog tsawg, li ntawm 1/2 ntawm qhov taw qhia silicon steel los xij; qhov tsis muaj-load kev ua tau zoo ntawm amorphous alloy cores yog qhov zoo dua. Transformers tsim nrog amorphous alloy cores muaj qhov tsis muaj -load poob ntawm 70-80% thiab tsis muaj kev thauj khoom tam sim no ntau dua 50% piv nrog cov qauv siv hluav taws xob, nrog cov txiaj ntsig zoo txuag hluav taws xob. Rau lub hom phiaj ntawm kev txuag hluav taws xob, emission txo thiab txo cov kab kev poob, State Grid thiab Tuam Tshoj Southern Power Grid tau nce ntau qhov kev yuav khoom ntawm amorphous alloy transformers txij li xyoo 2012, thiab tam sim no qhov kev yuav khoom ntawm amorphous alloy faib transformers tau pib mus txog ntau dua 50%.
2.2 Qhov tsis zoo thiab kev tiv thaiv ntawm Amorphous Alloy Transformers
Thaum muaj lub zog zoo heev -txuag qhov zoo, amorphous alloy transformers kuj muaj qee qhov tsis txaus, uas yuav tsum tau ua kom zoo dua hauv kev tsim thiab tsim khoom:
1) Low saturation magnetic density: The saturation magnetic density of amorphous alloy cores is usually around 1.56T, which is about 20% lower than the 1.9T of conventional silicon steel sheets. Yog li ntawd, tus tsim magnetic ceev ntawm lub transformer kuj yuav tsum tau txo los ntawm 20%. Tus tsim magnetic ceev ntawm amorphous alloy roj-immersed transformers feem ntau yog qis dua 1.35T, thiab ntawm amorphous alloy qhuav- hom transformers feem ntau yog qis dua 1.2T.
2) Kev ntxhov siab rau kev ntxhov siab: Lub sawb ntawm amorphous alloy core yog rhiab rau kev ntxhov siab. Tom qab muaj kev ntxhov siab, qhov tsis muaj -load kev ua tau zoo yog yooj yim rau deteriorate. Yog li ntawd, kev saib xyuas tshwj xeeb yuav tsum tau them rau cov qauv: cov tub ntxhais hlau yuav tsum tau dai rau ntawm qhov kev txhawb nqa thiab lub kauj, tsuas yog coj nws qhov hnyav. Nyob rau tib lub sijhawm, kev saib xyuas tshwj xeeb yuav tsum tau them thaum lub sijhawm sib dhos: cov tub ntxhais hlau yuav tsum tsis txhob muaj kev ntxhov siab, thiab txoj kev ntawm lub khob yuav tsum raug txo kom tsawg.
3) Loj magnetostriction: Lub magnetostriction yog hais txog 10% loj dua li cov pa silicon steel los xij, yog li nws cov suab nrov yog qhov nyuaj rau kev tswj, uas yog ib qho ntawm cov laj thawj tseem ceeb txwv qhov kev nthuav dav ntawm amorphous alloy transformers. Tam sim no, Tuam Tshoj Southern Power Grid thiab State Grid tau muab cov kev xav tau siab dua rau lub suab nrov ntawm amorphous alloy transformers hauv kev sib tw, faib lawv mus rau hauv cov cheeb tsam rhiab thiab tsis yog - qhov chaw rhiab heev, thiab muab tso rau pem hauv ntej lub hom phiaj suab yuav tsum tau ua, uas yuav tsum tau txo qhov tsim magnetic ceev ntawm cov tub ntxhais hlau.
4) Cov qauv tseem ceeb tshwj xeeb: Amorphous alloy strips yog nyias, tsuas yog 0.03mm tuab, yog li lawv tsis tuaj yeem ua rau hauv daim ntawv lamination zoo li cov paib silicon steel los xij, tab sis tsuas yog rau hauv daim ntawv mob. Yog li ntawd, cov qauv hlau tsis tuaj yeem ua tiav los ntawm cov chaw tsim khoom siv hluav taws xob thiab feem ntau yuav tsum tau yuav tag nrho. Ua raws li tus ntoo khaub lig- ntu ntawm lub qhov txhab ntawm lub qhov txhab, lub kauj ntawm amorphous alloy transformer feem ntau yog ua rau hauv cov qauv duab plaub.
5) Tsis txaus hauv zos: Tam sim no, nws yog tsuas yog imported amorphous alloy strips los ntawm Hitachi Hlau, thiab localization tau maj mam paub. Cov tuam txhab hauv tsev xws li Advanced Technology & Materials Co., Ltd. thiab Qingdao Yunlu muaj amorphous alloy dav strips (213mm, 170mm thiab 142mm), tab sis lawv cov kev ua tau zoo tseem muaj qhov sib txawv hauv kev ruaj ntseg piv nrog cov khoom siv txawv teb chaws.
6) Txwv rau qhov siab tshaj plaws strip ntev: yav dhau los, qhov siab tshaj plaws sab nrauv strip ntev ntawm amorphous alloy strips tau txwv heev vim qhov loj ntawm qhov cub tawg. Txawm li cas los xij, qhov teeb meem no tau daws tau yooj yim tam sim no, thiab amorphous alloy core thav duab nrog qhov siab tshaj plaws sab nrauv strip ntev ntawm 10m tuaj yeem ua tau, uas tuaj yeem siv los tsim cov amorphous alloy qhuav -hom transformers hauv qab 3150kVA thiab amorphous alloy roj-immersed transformers hauv qab 10000kVA.
2.3 Tus nqi sib piv ntawm Amorphous Alloy Transformers
Vim lub zog zoo heev -txuag cov txiaj ntsig ntawm amorphous alloy transformers, ua ke nrog kev txhawb nqa lub teb chaws kev txuag hluav taws xob thiab kev txo qis emissions, kev lag luam feem ntawm amorphous alloy transformers yog nce. Xav txog tias tus nqi ntawm amorphous alloy strips (tam sim no 26.5 yuan / kg) yog kwv yees li ob zaug ntawm cov paib silicon steel ntawv (30Q120 lossis 30Q130), thiab qhov sib txawv nrog tooj liab yog me me, thiab xav txog qhov zoo thiab kev sib tw ntawm cov khoom siv hluav taws xob, amorphous alloy transformers feem ntau siv co. Piv nrog cov pa silicon steel los xij, tus nqi tseem ceeb sib txawv ntawm amorphous alloy transformers yog raws li hauv qab no:
1) Vim yog kev txais yuav cov qauv ntawm lub qhov txhab, lub transformer core hom yuav tsum tau txais peb -theem tsib-ntiv taw qauv, uas tuaj yeem txo qhov hnyav ntawm ib lub thav duab core thiab txo kev sib dhos nyuaj. Peb -theem tsib-limb structure thiab peb-theem peb-limb structure muaj lawv tus kheej qhov zoo thiab qhov tsis zoo ntawm tus nqi. Tam sim no, cov tuam txhab lag luam feem ntau tau txais peb -theem tsib- lub cev ntaj ntsug.
2) Txij li tus ntoo khaub lig- ntu ntawm cov tub ntxhais kem yog cov duab plaub, txhawm rau kom tswj tau qhov kev ncua deb ntawm rwb thaiv tsev, qhov siab thiab qis hluav taws xob coils tau sib raug rau hauv cov qauv duab plaub.
3) Txij li thaum tsim cov hlau nplaum sib nqus ntawm cov tub ntxhais hlau yog li 25% qis dua li cov pa silicon steel sheet transformers, thiab nws cov tub ntxhais hlau lamination yog kwv yees li 0.87, uas yog qis dua 0.97 ntawm cov pa roj carbon steel, nws tsim cross-sectional cheeb tsam yuav tsum muaj ntau tshaj li 25% ntawm cov pa roj carbon dioxide. Raws li txoj cai, lub perimeter ntawm lub siab thiab qis voltage coils kuj yuav nce. Nyob rau tib lub sijhawm, nws yog ib qho tsim nyog yuav tsum xav txog qhov nce ntawm qhov ntev ntawm cov xaim hloov pauv ntawm qhov siab thiab qis voltage coils. Txhawm rau kom ntseeg tau tias qhov poob ntawm lub kauj tsis hloov pauv, tus ntoo khaub lig- ntu ntu ntawm cov hlau yuav tsum tau nce ntxiv. Yog li ntawd, kev siv tooj liab ntawm amorphous alloy transformers yog kwv yees li 20% ntau dua li cov pa transformers.
Hais txog JINSHANMEN TECHNOLOGY CO., LTD
JINSHANMEN TECHNOLOGY CO., LTDyog ib lub chaw tsim khoom ntawm cov khoom siv hluav taws xob xa hluav taws xob thiab kev faib khoom. Lub tuam txhab tsuas yog tsim cov roj immersed fais fab transformers, qhuav- hom fais fab transformers, roj immersed peb-dimensional coiled fais fab transformers, qhuav-hom peb-dimensional coiled fais fab transformers, mining tawg- pov thawj qhuav- hom transformers, mining tawg- pov thawj mobile substations, amorphous alloy fais fab transformers, ntawm load peev xwm tswj fais fab transformers, locomotive qhuav- hom transformers, as well as prefabricated substations, modular substations, wind energy box type substations, high and low voltage switchgear and other transmission and distribution equipment. Txawm hais tias nws yog transformers siv silicon steel sheet cores los yog amorphous alloy cores, xws li 150 kva rho tawm transformer thiab nce kev rho tawm transformer, peb nruj me ntsis tswj kev xaiv cov khoom tseem ceeb thiab cov txheej txheem tsim los xyuas kom meej tias cov khoom muaj kev ua tau zoo, kev ua haujlwm ruaj khov thiab kev txuag hluav taws xob thiab kev tiv thaiv ib puag ncig. Peb tau cog lus tias yuav muab cov khoom zoo tshaj - kis tau tus mob thiab faib khoom daws teeb meem rau cov neeg siv khoom thoob ntiaj teb.