Qhov kev thov tshiab dab tsi yog qhov nce ntawm lub zog tauj dua tshiab ua rau siab -voltage diodes?
Tso lus
1, Kev tawg ntawm kev tsis sib xws: los ntawm kilovolts mus rau kaum tawm txhiab volts
Cov tsoos siab -voltage diodes yog tsuas yog siv nyob rau hauv industrial zaus converters, rail transit, thiab lwm yam teb, nrog rau kev khiav hauj lwm voltages feem ntau concentrated nyob rau hauv lub 600V-1700V ntau. Txawm li cas los xij, nrog rau kev nthuav dav ntawm kev sib txuas ntxiv hluav taws xob txuas ntxiv, lub zog hluav taws xob tau muab cov kev xav tau tshiab rau kev tiv thaiv qib siab ntawm high-voltage diodes:
Voltage dhia hauv DC kis tau tus mob
Hauv kev sau cov tshuab hluav taws xob photovoltaic thiab cua ua liaj ua teb, DC sau tshuab tau dhau los ua qhov tseem ceeb. Ua piv txwv Talatan Photovoltaic Base nyob rau hauv Qinghai xeev ua piv txwv, lub ± 800kV ultra- high voltage direct tam sim no kis kab uas siv yuav tsum tau lub diode tiv thaiv ib tug reverse ncov voltage tshaj 10kV. Cov qauv ntsug silicon carbide (SiC) diode tsim los ntawm Taiji Semiconductor tau ua tiav 12kV tiv thaiv qib voltage los ntawm kev sib sib zog nqus trench etching thiab epitaxial txoj kev loj hlob thev naus laus zis, thiab lub sijhawm rov qab rov qab tau luv luv rau 50 nanoseconds, uas yog 80% siab dua li cov khoom siv silicon ib txwm muaj -.
Extreme ib puag ncig adaptation ntawm offshore cua zog
Lub floating offshore cua zog platform teeb tsa cov qauv nruj rau cov ntsev tsuag thiab corrosion kuj ntawm diodes. Cov hlau encapsulated siab -voltage diode tsim los ntawm Weihai Huajie Electronics txais yuav hydrogen arc extinguishing thiab ceramic substrate technology, thiab tseem tuaj yeem ua haujlwm ruaj khov hauv ib puag ncig nrog 95% av noo thiab 5% ntsev tsuag concentration. Nws lub neej ntev tshaj 200000 teev thiab nws tau dhau los ua cov khoom siv rau Dongfang Electric's 15MW offshore cua turbine inverter.
Them thiab tawm kev tswj hwm lub zog cia system
Nyob rau hauv lub zog cia system ntawm Ningde Times, qhov ntsuas diode yuav tsum tau tiv thaiv qhov kev cuam tshuam ntawm qhov hluav taws xob tsis zoo thaum lub sijhawm them thiab tawm ntawm lub roj teeb pob. Lub 5.1V voltage regulator diode siv txo tus nqi rov qab (Qrr) mus rau ib qho -feem peb ntawm cov khoom siv ib txwm siv los ntawm kev siv tshuab kub doping, txuas lub roj teeb lub neej los ntawm 20% thiab nce qhov sib npaug rau 99.5%.
2, Sib sib zog nqus nthuav dav ntawm daim ntawv thov scenarios: Los ntawm ib qho kev ua haujlwm rau kev sib koom ua ke
Cov yam ntxwv hloov pauv ntawm lub zog tauj dua tshiab ua rau muaj kev hloov pauv ntawm siab -voltage diodes los ntawm kev ua haujlwm kho kom zoo rau cov kev daws teeb meem:
Lub Efficiency Revolution ntawm Photovoltaic Inverters
Hauv Huawei SUN2000-50KTL-H1 series inverter, MUR1680CT ultra ceev rov qab diode (trr=80ns) yog siv los tiv thaiv kev sib luag nrog IGBT, txo kev hloov pauv los ntawm 40%. Nyob rau hauv lub teeb load tej yam kev mob, nws cov yam ntxwv zoo rov qab tau zoo suppress voltage spikes, nce Euro Efficiency mus rau 98.7%, uas yog 1.2 feem pua cov ntsiab lus siab dua li cov kev daws teeb meem.
Kev ntseeg tau nce qib ntawm Cua Fais Fab Converter
SiC Schottky diode siv nyob rau hauv Goldwind Technology's 2.5MW cua turbine tswj cov yam ntxwv ruaj khov nyob rau hauv qhov kub ntawm -40℃mus rau 150 degree, thiab cov conduction voltage poob (VF) qhia qhov tsis zoo kub coefficient nrog nce kub, tsis txhob muaj kev pheej hmoo ntawm tsis ua hauj lwm los ntawm lub zos overheating thaum uas tig mus siv. Cov cuab yeej no tau ua rau MTBF (lub sijhawm nruab nrab ntawm qhov tsis ua haujlwm) ntawm lub inverter kom siab tshaj 200000 teev thiab txo qhov tsis ua haujlwm txhua xyoo kom qis dua 0.3%.
Kev txhawb nqa tseem ceeb rau hydrogen zog kev lag luam saw
Hauv cov txheej txheem electrolysis hydrogen, siab -voltage diodes yuav tsum tau tiv taus qhov hluav taws xob hloov pauv tshwm sim los ntawm nquag pib nres ntawm lub xov tooj ntawm tes electrolysis. Lub TVS (Transient Voltage Suppressing Diode) tsim los ntawm Silan Microelectronics muaj qhov tseeb qhov tseeb ntawm ± 1% thiab lub sijhawm teb tsawg dua 1 picosecond, tiv thaiv cov membrane electrode Cheebtsam ntawm PEM electrolysis hlwb thiab tswj kev ua haujlwm ntawm hydrogen ntau lawm ntawm ntau dua 78%.
3, Kev hloov pauv ntawm cov khoom siv tshiab: los ntawm silicon-raws li dav bandgap
Qhov kawg nrhiav kev siv hluav taws xob hauv lub tshuab hluav taws xob tauj dua tshiab tau ua kom nrawm dua ntawm siab -voltage diode cov khoom siv tshuab
Daim ntawv thov loj ntawm silicon carbide (SiC)
Infineon CoolSiC ™ Lub series 1200V diode muaj lub sijhawm rov qab los ntawm tsuas yog 35 nanoseconds ntawm qhov sib txuas ntawm qhov kub ntawm 25 degree, thiab muaj qhov zoo ntawm qhov kub thiab txias coefficient, ua rau nws yooj yim los nthuav hauv qhov sib npaug. Hauv Tesla V3 Supercharging Chaw Nres Tsheb, cov cuab yeej no nce lub zog ceev ntawm 350kW them module rau 5kW / hauv ³, nrog rau kev them nqi ntawm 99.2%, uas yog 1.5 feem pua cov ntsiab lus siab dua cov silicon -raws li kev daws teeb meem.
RF Breakthrough ntawm Gallium Nitride (GaN)
Nyob rau hauv lub photovoltaic fais fab mov system ntawm 5G hauv paus chaw nres tsheb, Wolfspeed's GaN siab electron mobility transistor (HEMT) integrates diodes kom ua tiav cov teeb liab rectification nyob rau hauv 24GHz-52GHz zaus band, txo hwj chim noj los ntawm 30% piv rau silicon li. Cov thev naus laus zis no nce lub zog niaj hnub ntawm lub hnub ci hluav taws xob rau cov chaw nres tsheb los ntawm 18% thiab txo cov pa roj carbon dioxide emissions ntau dua 2 tons hauv ib xyoos.
Frontier kev tshawb nrhiav ntawm gallium oxide (Ga ₂ O ∝)
Lub Ga ₂ O3 raws li diode tsim los ntawm Nyiv Fluorinated Fluid Technology Research Institute muaj lub zog tawg ntawm 8MV / cm, uas yog ntau tshaj 10 npaug ntawm silicon. Txawm hais tias nws tseem nyob hauv chav kuaj, nws qhov theoretical theoretical withstand voltage level tuaj yeem tshaj 10kV, uas xav tias yuav muab kev cuam tshuam rau yav tom ntej ultra- high voltage direct tam sim no.
4, Restructuring thiab kev sib tw ntawm kev ua lag luam qauv
Kev loj hlob tawg ntawm lub zog tauj dua tshiab tau hloov kho kev lag luam ecology ntawm siab -voltage diodes:
Cov qauv kev hloov pauv ntawm qhov xav tau sab
Raws li Yole D é evelopment qhov kev kwv yees, lub ntiaj teb siab -voltage diode kev lag luam yuav tsum ncav cuag $ 4.5 nphom los ntawm 2027, nrog rau lub zog tauj dua tshiab rau ntau dua 40%. Raws li lub ntiaj teb kev lag luam photovoltaic loj tshaj plaws, Tuam Tshoj qhov kev thov rau siab -voltage diodes yuav tsum muaj ntau tshaj 8 billion los ntawm 2025, tsav tsheb cov lag luam hauv zos xws li Silan Microelectronics thiab Huatian Technology los tuav ntau dua 60% ntawm kev ua lag luam.
Supply side technology kev sib tw
Cov tuam txhab loj thoob ntiaj teb xws li Texas Instruments thiab Infineon tau nrawm cov qauv ntawm SiC cov kab ntau lawm, thaum Suav tuam txhab lag luam tau ua tiav qhov nkhaus hla dhau los ntawm cov qauv sib xyaw ua ke. Piv txwv li, Sanan Optoelectronics tau tsim ib lub 6-inch SiC wafer fab nrog ib lub hlis twg ntawm 50000 daim, thiab nws cov high-voltage diode yield tus nqi yog 95%, nrog tus nqi 20% qis dua cov phooj ywg thoob ntiaj teb.
Lub lag pheej hmoo ntawm tus qauv system
Tus qauv tam sim no IEC 60747 tseem siv silicon- cov khoom siv raws li qhov ntsuas ntsuas, thiab muaj qhov sib txawv tseem ceeb hauv cov kev txwv xws li thermal expansion coefficient thiab ntim kev ntxhov siab ntawm cov ntaub ntawv dav dav. Kev lag luam tam sim no yuav tsum tau tsim kom muaj siab -voltage diode xeem cov qauv rau cov ntaub ntawv tshiab xws li SiC thiab GaN kom tsis txhob muaj kev phom sij zoo los ntawm cov qauv uas ploj lawm.
