Qee qhov Kev Tsim Kho Tshiab Hauv Hluav Taws Xob Hauv Hluav Taws Xob hauv Cov Khoom Siv Fais Fab

Taw Qhia Xyoo tsis ntev los no, tus nqi ntawm cov ntaub ntawv tseem ceeb thiab cov khoom siv hluav taws xob uas siv hauv tshuab hluav taws xob hauv cov khoom siv hluav taws xob tau txuas ntxiv nce, thiab cov cuab yeej siv hluav taws xob sab saud tau tsim ib tus neeg muag khoom' s kev ua lag luam. Ua tus siv zog siv hluav taws xob hauv nqes hluav taws xob hauv tshuab hluav taws xob, lawv tuaj yeem xaiv thiab yuav cov thoob ntiaj teb los tsim cov neeg yuav khoom' s kev lag luam. Hauv txoj haujlwm nruab nrab ntawm kev lag luam hluav taws xob kev hloov pauv, tsuas yog los ntawm kev coj txoj hauv kev ntawm thev naus laus zis, peb tuaj yeem tshem ntawm qhov teeb meem kev npau taws no ntawm ob hnub kawg. Txawm li cas los xij, nyob rau hauv lub tshuab hluav taws xob loj hauv tshuab hluav taws xob hloov pauv, kev hloov kho thev naus laus zis yog qhov nyuaj dua. Tab sis txhua qhov txuas me me tuaj yeem nqa cov tswv yim tshiab thiab cov khoom tshiab. Yog li no, tsab xov xwm no nthuav qhia qee qhov kev tsim kho tshiab hauv cov hloov hluav taws xob hauv cov khoom siv hluav taws xob hauv xyoo tas los los ntawm plaub yam: cov khoom siv tshiab, cov qauv tshiab, cov qauv tshiab, thiab cov khoom tshiab, rau cov nyeem' suav siv. Thov kho kuv yog tias muaj qhov tsis raug. Siv txoj hauv kev ntawm thev naus laus zis kev lag luam, peb yuav tsum nco ntsoov lub hom phiaj kom ua tiav. Lub tshuab hluav taws xob hloov hluav taws xob hauv cov khoom siv fais fab, zoo ib yam li txhua yam khoom siv ua khoom muag, nqa tawm ib qho kev hloov pauv tshiab thev naus laus zis, thiab yuav tsum ua cov haujlwm tshwj xeeb nyob rau qee qhov kev siv tshwj xeeb, kom ua tiav qhov zoo tshaj plaws-rau-tus nqi sib piv. Cov khoom siv hluav taws xob tam sim no feem ntau yog los ntawm" lub teeb, nyias, luv, thiab me" mus rau miniaturization thiab tsiv chaw. Cov hloov hluav taws xob yuav tsum hloov kho qhov ntim thiab qhov nyhav ntawm cov khoom siv hluav taws xob raws li cov neeg siv. Nyob rau tib lub sijhawm, tus nqi ntawm cov khoom siv raw (cov ntaub ntawv tseem ceeb thiab cov ntaub ntawv zoo) rau cov hluav taws xob hloov pauv tau nce. Yog li, yuav ua li cas thiaj txo tau qhov ntim thiab qhov hnyav, thiab yuav ua li cas thiaj txo tau tus nqi, tau dhau los ua qhov kev taw qhia tseem ceeb ntawm kev txhim kho hluav taws xob hloov pauv hluav taws xob hauv xyoo tas los no. 1. Cov ntaub ntawv tshiab 1.1 Silicon steel Silicon steel yog ib qho tseem ceeb cov khoom siv dav siv hauv kev hloov pauv hauv hluav taws xob hauv cov khoom siv hluav taws xob ntau zaus. Txhawm rau txo tus nqi ntawm cov tub ntxhais hauv hloov hluav taws xob, qhov ua hauj lwm sib nqus flux ceev (ua haujlwm sib nqus ntom ntom ntom) ntawm silicon steel yuav tsum tau nce. Ua hauj lwm sib nqus ceev ntawm silicon steel yog txiav txim siab los ntawm ob qho tib si saturation sib nqus flux ceev thiab qhov poob. Vim tias kev ua tau zoo yog qhov ntsuas ua tau zoo ntawm kev hloov hluav taws xob, ntau cov khoom siv hluav taws xob tam sim no yuav tsum tau tos ntev kom thiaj li txuag hluav taws xob. Lub hauv paus tseem ceeb ntawm cov hluav taws xob hloov hluav taws xob yog lub hauv paus tseem ceeb ntawm kev poob peev xwm, yog li ntawd, cov ntsiab lus meej thiab nruj raug muab tso rau pem hauv ntej rau kev ua haujlwm lossis poob ntawm lub tshuab hluav taws xob. Nyob rau hauv xyoo tas los, tus nqi ntawm kev taw qhia thiab tsis-taw qhia txias-kuav los tiag silicon hlau tau nce. Piv nrog rau R-hom, CD-hom thiab EI-hom cores, coiled toroidal cores tuaj yeem txuag tau ntau dua 20 % ntawm cov khoom siv tseem ceeb vim tus nqi tsawg dua cov khoom siv. Cov kev siv dav hauv kev hloov pauv. Lub qhov txhab toroidal qhov tseem ceeb tuaj yeem muab kev ua si tag nrho rau kev ua yeeb yam ntawm kev taw qhia cov khaub thuas txias-sib xyaw silicon hlau. Piv nrog tsis-taw kev txias txias kuav los tiag steel, ua haujlwm sib nqus ntom ntom ntab muaj ntau dua. Nyob rau tib lub sijhawm, tsis zoo li R-hom, CD-hom thiab EI-hom hlau cores, silicon steel cov ntaub ntawv tuaj yeem siv tau, yuav tsis muaj lub kaum kev pov tseg, thiab cov khoom siv ntawm cov khoom siv tuaj yeem ncav ntau dua 98 %. Nyob rau hauv xyoo tas los no, muaj ntau qhov kev txhim kho nyob rau hauv txias-dov-ua kom tiav silicon hlau. Cov khoom tsim tau 0.23mm taw qhia txias-dov silicon hlau ntawm 23Q110 muaj qhov ua haujlwm sib nqus flux ceev ntawm 1.7 T thiab 50 Hz, thiab cov khoom poob phaus nyhav yog 1.10 Wkg. Lub 0.23 hli tuab taw qhia txias-ntxig silicon hlau P1.750 tsim nyob rau hauv Nyij Pooj yog 0.88Wkg. Tom qab kho saum npoo ntawm silicon steel strip yog coated nrog nro txheej, P1.750 poob rau 0.7Wkg. Hloov cov txheej txheem annealing los kho kom zoo rau cov khoom siv hlau nplaum, P1.750 poob qis rau 0.55 ～ 0.45Wkg, uas yog qis dua qis dua 0.35mm tuab tsis taw-txias txias-ntxig silicon hlau ntawm kev ua haujlwm sib nqus ntawm 1.5T thiab 50Hz (P1). 550) ntawm 2Wkg. Nyob rau hauv cov xwm txheej ntawm kev ua kom zoo li qub poob, qhov ua hauj lwm sib nqus ceev ntawm 0.23mm thickness taw qhia txias-ntxig silicon hlau tuaj yeem ncav cuag 1.85T. Yog tias nws raug xaiv los txhawm rau cov kabmob toroidal, nws yog 1.23 npaug siab dua qhov ua haujlwm sib nqus ntawm qhov tsis yog-txias txias-dov ntawm lub khob roj nplaum sib xyaw 1.5 T. Cov ntu tseem ceeb thiab ntim tau tuaj yeem txo ntau dua 23 %. Tam sim no, EI hom iron core power zaus lub zog hloov hluav taws xob tau siv dav hauv lub hwj chim hloov ntawm lub xov tooj txawb lub xov tooj thiab cov khoom siv hauv tsev, thiab qee zaum muaj kev kub ntxhov dhau. Lub ntsiab lus EI yog ua los ntawm EI zoo li tus ntawv khoob tawm. Ib-tsib ntawm qhov ntev ntawm E-puab cov ntawv punched yog orthogonal mus rau qhov ntev ntev (kev taw qhia kev taw qhia). Yuav kom tiv qhov cuam tshuam ntawm kev sib nqus hloov chaw, tsis yog-txias txias-kuav los ntawm silicon hlau feem ntau siv. Xyoo tsis ntev los no, Lub Tuam Txhab Kawasaki Nyijpooj tau tsim RGE series taw qhia txias txias lub hnub qub silicon hlau uas tuaj yeem siv rau EI cores. Lub thickness yog 0.35 hli, qhov ntev ntev ntawm qhov sib nqus ntom ntom ntom yog 1,80 ～ 1.90 T, txoj kev nyob tom qab saturation sib nqus ceev yog 1.825T, thiab poob P1.750 yog 1.10 ～ 1.25Wkg. Nyob rau tib lub sijhawm, insulating zaj duab xis yog qhov nyias, thiab lub yeeb yaj kiab tau zoo. Kev siv nws los ua kom muaj cov tub ntxhais hlau, lub tshuab nqus hlau ua haujlwm muaj peev xwm ntau dua li 1.7T, uas yog 15 % siab tshaj qhov uas tsis yog-tsis txias-txias-silicon hlau. Lub hauv paus ntu thiab ntim tau txo los ntawm ntau dua 15 %, thiab qhov poob tau zoo heev. , Yuav tsis muaj overheating. Lub tuam txhab Kawasaki Nyijpooj tseem tau tsim lub chaw tsis muaj khaub thuas tsis txias sib txuas nrog lub suab nrig uas muaj lub zog sib nqus. Cov tuab tuab yog 0.5 hli, cov ntsiab lus silicon tsawg dua 1 %, 0.6 %, thiab cov ntsiab lus aluminium yog 0.3 %. Tom qab ntxiv 0.52 % npib tsib xee, kev sib nqus tau nqus hlau nplaum yog 1.96T. , Qhov poob P1.550 yog 3Wkg. Siv nws ua EI core khoom siv, kev ua haujlwm sib nqus sib nqus kuj tseem tuaj yeem yog 1.7T, tab sis qhov poob kuj tseem loj. Nws tsim nyog teev tias: raws li cov chav kawm loj ntawm cov khoom siv hluav taws xob hloov pauv, kev siv cov khoom siv tseem ceeb nrog kev ua haujlwm siab sib nqus tau tuaj yeem txo cov xov tooj sib hloov thiab txo cov tooj liab, tsis txhob txo cov tub ntxhais seem thiab ntim. Nyob rau hauv qhov xwm txheej uas tus nqi ntawm cov khoom siv tooj liab yog ntau dua li ntawm cov khoom siv tseem ceeb, nws yuav yog qhov kev tsim kho phiaj xwm zoo dua. 1.2 Cov Khoom Hluav Taws Xob Cov khoom muag hluav taws xob yog cov khoom siv tseem ceeb uas tau siv dav hauv tshuab hloov hluav taws xob hauv nruab nrab thiab siab siv hluav taws xob. Piv nrog cov ntaub ntawv mos mos hlau nplaum, mos ferrites muaj saturation nqus hlau nplaum tsawg, tsis muaj permeability, thiab Curie kub. Tsawg yog nws qhov tsis muaj zog loj. Tshwj xeeb tshaj yog thaum qhov ntsuas kub Curie qis tsawg, qhov kev sib hloov sib nqus lub zog Bs thiab lub zog ploj ntawm qhov ntsuas qhov ntim Pcv yuav hloov nrog qhov ntsuas kub. Qhov kub nce siab, Bs poob, Pcv pib poob, thiab tom qab ntawd nce tom qab mus txog ntawm lub hav kis. Yog li no, nyob rau hauv qhov kub thiab txias, kom ntev npaum li Bs tswj kev ua haujlwm siab, kev ua haujlwm sib nqus ua haujlwm siab Bm tuaj yeem raug xaiv siab dua, yog li txo cov xov tooj sib hloov, txo cov tooj siv thiab tus nqi. Qhov kub siab thiab siab siab tshaj tawm qhov sib nqus ntom ntom ntom ntom cov khoom tawg yooj yim kuj tseem tuaj yeem nthuav qhov kub sab saud ntawm cov hloov hluav taws xob mus rau 120 lossis txawm tias 150 txiaj ntsig. Piv txwv li, qhov hloov siab siv hluav taws xob ntau hauv cov khoom siv hluav taws xob hauv tsheb yuav tsum siv qhov kub thiab txias, muaj qhov sib txuam nrog lub suab sib nqus ua kom lub zog ua haujlwm nyob rau hauv qhov chaw sov nrog qhov hloov loj ntawm cov ntsuas kub sab nraud thiab cov cua sov hauv chav tsev cav. Raws li MnZn soft ferrite rau nruab nrab thiab siab hloov kho hluav taws xob, sawv cev los ntawm Nyiv' s lub tuam txhab TDK, nws tau muaj kev paub dhau los ntawm kev tsim kho ntawm PC30 → PC40 → PC44 → PC50 → PC50 → PC47 → PC95 → PC90. Raws li cov kev kuaj mob hauv 100 ℃, 100kHz, thiab 200mT, lub zog poob ib ntu ntim cia qis zuj zus. Raws li cov ntaub ntawv tawm hauv tuam txhab thaum lub Plaub Hlis 2006, PC30 yog 600mW / cm3; PC40 yog 420 mW / cm3; PC44 yog 340 mW / cm3; PC47 yog 270 mW / cm3. Txawm li cas los xij, qhov kev sib txuam ntawm flux ceev Bs hauv 100 cov txiaj ntsig, PC30, PC40, thiab PC44 yog qhov pib 390 mT, PC47 yog 410 mT, uas deb ntawm qhov theoretical tus nqi ntawm 600 mT, thiab tsis tuaj yeem raug suav tias yog qhov kub thiab qhov siab saturation flux. cov khoom siv ntom ntom. Xyoo tsis ntev los no, txhawm rau los sib tw nrog cov hlau mos sib nqus cov ntaub ntawv hauv daim ntawv thov siv hluav taws xob hloov pauv, tau muaj nthwv dej ntawm kev txhim kho ntawm qhov kub thiab siab thiab siab tshaj qhov sib nqus ntom ntom MnZn ferrite cov ntaub ntawv. Nyiv' s FDK lub tuam txhab tsim tau 4H series ntawm qhov kub thiab kub siab tshaj qhov siab cov khoom siv hlau nplaum rau lub Peb Hlis 2003. Ntawm lawv, Bs ntawm 4H45 thiab 4H47 yog 520 mT thiab 530mT ntawm 25 ℃, 450mT thiab 470mT ntawm 100 ℃, tab sis ntawm 100 ℃, lub zog poob Pcv yog qhov siab, feem ntawm 450mW / cm3 thiab 650mW / cm3. Raws li cov lus ceeb toom, FDK tau tsim 4H50 cov khoom hauv chav kuaj sim. Bs ntawm 100 ° C yog 490 mT, tab sis Pcv loj heev ntawm 800 mW / cm3. Nyiv lub tuam txhab TDK tsim cov khoom PC90 thaum lub Cuaj Hlis 2004. Thaum 25 ℃, Bs yog 540mT thiab Pcv yog 680 mW / cm3; ntawm 100 ℃, Bs yog 450 mT thiab Pcv yog 320mW / cm3, uas yog siab dua 4H45 khoom qib. TOKIN lub tuam txhab tsim cov khoom siv BH3. Ntawm 25 ° C, nws Bs yog 540 mT thiab Pcv yog 600 mW / cm3; ntawm 100 ° C, Bs yog 440 mT thiab Pcv yog 370 mW / cm3. NICERA tau tsim cov khoom siv BM30, nrog Bs ntawm 540 mT thiab Pcv ntawm 720 mW / cm3 ntawm 25 ° C; ntawm 100 ° C, Bs ntawm 450mT thiab Pcv ntawm 320mW / cm3. Cov khoom siv high-iron thiab low-zinc ferrite tsim los ntawm Hitachi Metals, Bs yog 563 mT ntawm 25 ℃; 560 mT ntawm 100 ℃, tsis hloov pauv, 150 ℃ yog 490 mT, tab sis ntawm 100 ℃, 100 kHz, Raws li ntsuas qhov ntsuas ntawm 200 mT, Pcv yog 1700mW / cm3, uas yog siab dhau thiab xav tau kev txhim kho. Ntau cov khoom siv hluav taws xob tsis zoo tsuas yog hais tias lub tshuab hluav taws xob hloov pauv tau ua haujlwm, uas yog, qhov poob yuav tsum yog qhov me me ntawm qhov kub thiab txias, tab sis kuj tseem nyob hauv lub xeev standby, uas yog, qhov poob yuav tsum yog me me ntawm qhov kub thiab txias. Cov tshuab hluav taws xob hloov hluav taws xob no tuaj yeem siv cov khoom muag muag hluav taws xob uas muaj qhov kub thiab dav thiab siv hluav taws xob tsawg. PC95 tsim los ntawm Nyiv' s TDK yog cov khoom lag luam qib siab, dav-kub ferrite uas tau tshwm sim hauv xyoo tsis ntev los no. Lub zog siv hluav taws xob Pcv yog 350mW / cm3 ntawm 25 ° C, 280mW / cm3 ntawm 80 ° C, 290mW / cm3 ntawm 100 ° C, 350mW / cm3 ntawm 120 ° C, thiab saturation sib nqus ceev ntawm 410mT ntawm 100 ° C. Nyob rau hauv xyoo tas los no, tau tsim cov txheej txheem ntawm permeability μ soft ferrite cov ntaub ntawv tau tsim. Lawv siv los ua cov hloov hluav taws xob hauv cov cuab yeej hluav taws xob. Lub permeability μ yuav tsum muaj feem siab. Muaj H5C3 los ntawm TDK, uas muaj a ntawm 15 000 ± 30. %, H5C5, μ yog 30 000 ± 30 %. Rau EPCOS' s T56, μ yog 20000 ± 30 %. Rau electromagnetic cuam tshuam lim, zoo permeability zaus cov yam ntxwv yog qhov yuav tsum tau. TDK HS52, μ yog 5 500 ± 25 %; HS72, μ yog 7 500 ± 25 %; HS10, μ yog 10000 ± 25 %. HITACHI's MP15T muaj μ ntawm 15000 ± 25 % thiab tuaj yeem ua haujlwm qis dua 500kHz. Rau DC filtering, zoo DC superposition cov yam ntxwv yog qhov yuav tsum tau. TDK' s DN45, μ yog 4500 ± 25 %, kev ua haujlwm kub yog 0 ～ 70 ℃, thiab txhim kho DNW45, μ yog 4 200 ± 25 %, kev ua haujlwm kub yog -40 ℃ ～ +85 ℃, Kawasaki's SK-202G, kev khiav hauj lwm kub -40 ℃ ～ +85 ℃, μ yog 4300 ± 25 %, thiab cov khoom kub kom muaj lub zog sib nqus thiab cov khoom siv permeability siab, xws li TDK's DN50, μ yog 5 200 ± 20 % , Bs yog 550 mT ntawm 25 ℃, 380 mT ntawm 100 ℃, Curie kub Tc≥210 ℃. 1.3 Amorphous thiab nanocrystalline alloys Txij li thaum pib ntawm 2005, vim yog tsis txaus nyob rau hauv cov khoom siv hauv tsev thiab kev thov ntawm cov khaub thuas sib txawv-txias silicon steel strips, tus nqi ntawm oriented txias-kuav los tiag silicon steel strips tau nce sai, thiab tam sim no tau tshaj tus nqi ntawm hlau-siv amorphous alloy strips. Raws li qhov kev lag luam tam sim no tus nqi hloov, qhov hloov pauv ntawm txias-kuav los tiag silicon hlau los ntawm cov hlau-alloys nyob rau hauv qhov chaw ntawm lub zog hluav taws xob hloov fais fab tsis yog tam sim no yam ua tau, nws tau dhau los ua qhov tseeb. Hauv kev hloov hluav taws xob kev lag luam, cov khoom lag luam tsim hluav taws xob hloov chaw tsim khoom tau hloov cov tub ntxhais cov khoom siv los ntawm kev sib txuam txias txias-tso kua roj silicon rau cov hlau tsis muaj phom. Nyob rau tib lub sijhawm, txij li Lub Xya Hli 1, 2006, lub luag haujlwm tseem ceeb hauv lub teb chaws" Kev Siv Tus Nqi Siv Hluav Taws Xob Tsis Muaj Nqi thiab Kev Txuag Hluav Taws Xob Kev Siv Hluav Taws Xob rau qhov Siv Yis Hloov Cov Hluav Taws Xob" tau tsim ua raws cai, uas txuas ntxiv rau kev siv cov khoom siv hlau uas muaj hlau tsis tas siv cov hlau tsis txau txias rau cov hluav taws xob sib xyaw ua ke hauv cov hloov pauv hloov. tawg tas. Zoo li kev faib tawm cov hluav taws xob hloov pauv, hloov pauv ntawm cov khaub thuas sib xyaw txias txias silicon steel nrog cov hlau-tso rau amorphous alloys nyob rau hauv lub zog zaus hloov pauv hluav taws xob yuav dhau los ua kev loj hlob tshiab hauv cov hloov hluav taws xob hauv cov khoom siv fais fab. vim li cas? Qhov laj thawj tuaj yeem pom los ntawm kev sib piv ntawm kev ntsuas kev ua haujlwm thiab kev ua lag luam ntawm kev ua kom txias txias ntawm lub khob silicon steel thiab cov hlau-tso sib xyaw amorphous alloy nyob rau hauv Table 1. Qhov nruab nrab-txias txias-kuav los tiag silicon hlau hauv rooj 1 siv lub siab sib nqus induction 23R100 thiab sib nqus sau cov kev kho mob 23R085 tsim nyob rau hauv Nyij Pooj raws li piv txwv, thiab cov hlau-hlau amorphous alloy siv hom tshuaj 1K101 thiab Metglas 2605SA1 ua los ntawm Hitachi ua piv txwv, zoo li tuaj yeem pom hauv Table 1. Cov yam ntxwv hauv qab no tau nthuav tawm. [align = center] Cov Lus 1 Sib piv ntawm kev qhia txog kev ua haujlwm thiab kev lag luam ntawm cov sib txawv ntawm cov khaub thuas sib xyaw silicon hlau thiab cov hlau uas muaj cov hlau tsis huv thiab cov hlau tsis sib haum [/ kab] (1) Qhov kev sib nqus sib nqus Bs ntawm cov hlau uas muaj cov hmoov zoo me me yog qis dua li ntawm cov khoom siv silicon hlau, tab sis nyob rau tib lub zog ua haujlwm sib nqus npaus Bm (Piv txwv, 1.4T) kev poob qis yog qis dua silicon steel. Kev ua haujlwm sib nqus ntwm Bm ntawm cov hlau uas muaj hmoov txhuas me me yog 1.40 ～ 1.45T rau ib-theem hloov khoom siv thiab 1.35 ～ 1.40T rau peb-theem transformer. Kev ua haujlwm sib nqus ceev Bm ntawm silicon steel yog 1.70T rau ib-theem transformer thiab 1.65 ～ 1.70T rau peb-theem transformer. Qhov hnyav ntawm cov hlau-amorphous alloy rau lub zog hloov pauv ntawm tib lub peev xwm yog li 120 % ntawm silicon hlau. (2) Qhov ua tiav ntawm cov hlau ua rau amorphous alloys yog 0.85 rau kev tsim tawm hauv tsev 1K101 thiab 0. {{356}} 90 rau Metglas 2605SA1 tsim los ntawm Hitachi, thiab qee qhov tau mus txog 0.93. Yog tias 0. {{363}} piv nrog 0.945 ntawm silicon steel, qhov ntim ntawm cov hlau uas muaj hmoov txhuas amorphous alloy tub ntxhais ntawm tib lub cev hnyav yog txog 110 % ntawm hais tias ntawm silicon hlau. (3) Chav tsev yuag poob ntawm cov hlau-amorphous alloy nyob rau hauv 1.4T thiab 50Hz tej yam kev mob yog P1.450, uas tsuas yog 26.4 % to 43 % ntawm silicon steel, uas tuaj yeem txo qhov tseem ceeb cua sov. Raws li cov poob thiab tib lub tshav kub dissipation tej yam kev mob, cov hlau uas muaj lub zog amorphous alloy hloov zaus hloov hluav taws xob tuaj yeem txo cov tooj liab poob thiab txo cov ntaub ntawv tooj liab dua li silicon steel zog zaus transformers. Nyob rau hauv cov xwm txheej uas tus nqi ntawm cov khoom siv tooj liab yog siab dua li ntawm cov ntaub ntawv hlau, txais cov qauv no yog ib qho Kev ntsuas kom txo tau cov nqi. Nws tsim nyog sau cia tias qhov poob ib qhov nyhav nyhav P1.450 raug kuaj hauv qab sine nthwv dej voltage nrog qhov tsis sib xws qis dua qis dua 2 %. Daim phiaj siv hluav taws xob loj tiag tiag distorted rau 5 %. Chav tsev poob phaus poob hauv qab qhov sib txawv yog P1.450, silicon steel yog 123 % P1.450, thiab hlau ua hauj amorphous alloy yog 106 % P1.450. Nyob rau lub sijhawm no, P1.450 ntawm cov hlau uas siv cov tshuaj amorphous alloy tsuas yog cov hlau tsis xeb. 22.7 % ～ 37 % ntawm tag nrho. (4) Tus nqi tam sim no ntawm silicon steel raug coj los ntawm kev ua lag luam tus nqi ntawm cov hlau nyob hauv ib qho chaw hauv Guangdong thaum nruab nrab Lub Yim Hli 2006, thiab tus nqi tam sim no ntawm cov hlau txhuas amloous alloys tau coj los ntawm Nyiv Hitachi thaum Lub Xya Hli 2006, hais los ntawm Asmeskas $ 2.85 ib phaus. Tus nqi pauv ntawm RMB yog 22.8 yuan kg, ntxiv rau cov nqi se thiab cov nqi se txhawb ntxiv yog 28 yuan yuan. Tus nqi tam sim no ntawm kev ua lag luam hauv tsev hlau-alloys yog qhov kwv yees, uas yog txawv me ntsis ntawm cov nqi hais tawm ntawm chav tsev tsim khoom. (5) Kev ntsuas kub tsis muaj qhov kub ntawm cov hlau uas siv cov hlau alloys qis dua li ntawm cov roj silicon steel, nrog lub sijhawm thiab kev siv zog tsawg. Cov txheej txheem ua ntxiv rau kev tsim cov hlau cores yuav tsum qis dua ntawm cov pob zeb silicon. Iron-based amorphous alloy strips tuaj yeem ua rau winding toroidal cores, sib tshooj ntau cov kab thiab qhib C-puab cores. Thaum xyoo 1990, Nyij Pooj tau siv ntau txheej txheej sib raug zoo ntawm cov hlau uas muaj hlau ntau cov kav hlau los ua cov txheej txheem EI cores, tab sis cov nqi ntxiv rau kev ua tiav tau siab thiab cov tub ntxhais ua kom muaj zog ntxiv. Tom qab ntawd, tsis muaj tus tshaj tawm kev ceeb toom ntxiv. Tam sim no, lub tuab ntawm qhov ntau amorphous alloy nyob rau hauv kev kawm tuaj yeem ncav lub millimeter thiab theem centimeter. Yog tias nws tau muab tso rau hauv ntau lawm, nws yuav tiav rau hauv EI qhov tseem ceeb zoo li silicon hlau. Ua ke ua ke cov ntsiab lus saum toj no, hauv lub nplhaib thiab C