Dab tsi yog qhov ceev rov qab diode? Cov khoom siv hluav taws xob twg tsim nyog siv rau hauv?

1, Cov ntsiab lus tseem ceeb ntawm kev rov qab sai diodes
Structural Innovation: Physical Advantages of PIN Structure
Ib txwm siv rectifier diodes txais yuav PN junction qauv, thiab thaum lub sij hawm rov qab cov txheej txheem rov qab, cov nqa khoom khaws cia rau hauv thaj av depletion xav tau lub sijhawm ntev los rov ua dua, ua rau lub sijhawm rov qab los ntawm microseconds. Fast rov qab diodes tsim tus qauv PIN los ntawm kev ntxig ib txheej I hauv nruab nrab ntawm P-hom thiab N- hom silicon txheej. Qhov kev tsim no nthuav dav thaj tsam depletion dav mus rau qib micrometer, txo qis tus nqi ntawm cov cab kuj. Noj CREE's C3D series silicon carbide ceev rov qab diode raws li piv txwv, nws tus qauv PIN ua kom lub sijhawm rov qab mus rau tsawg dua 10 nanoseconds, uas yog ob qhov kev txiav txim siab ntau dua li cov khoom siv silicon-raws li.

Technological Breakthrough: Composite Center Control Technology
Los ntawm ion implantation ntawm hnyav hlau impurities xws li kub thiab platinum, los yog siv electron irradiation technology, tob theem recombination chaw yog nkag mus rau hauv silicon lattice. Cov chaw recombination no ua raws li 'carrier traps', accelerating the recombination process of minority carriers. Kev sim cov ntaub ntawv qhia tau hais tias tus nqi rov qab rov qab Qrr ntawm FR107 diodes doped nrog kub yog txo los ntawm 75% piv rau cov khoom siv tsis tau siv, thiab lub sij hawm rov qab rov qab yog luv los ntawm 2 microseconds mus rau 500 nanoseconds.

Material Innovation: Sawv ntawm Wide Bandgap Semiconductors
Daim ntawv thov thib peb - tiam cov khoom siv semiconductor xws li silicon carbide (SiC) thiab gallium nitride (GaN) tau tawg ntxiv los ntawm kev txwv lub cev ntawm silicon- raws li cov khoom siv. Lub bandgap dav ntawm SiC cov khoom yog 3.2 eV, uas yog peb npaug ntawm silicon. Nws lub zog tseem ceeb heev ua rau lub zog (3MV / cm) ua rau lub cuab yeej ua tiav qhov hluav taws xob ntau dua thiab cov txheej txheej nyias nyias. CoolSiC launched los ntawm Infineon ™ Lub series 1200V ceev rov qab diode muaj ib tug rov qab lub sij hawm ntawm tsuas yog 35 nanoseconds ntawm ib tug hlws ris kub ntawm 25 degree, thiab muaj ib tug zoo kub coefficient yam ntxwv, ua rau nws yooj yim mus nthuav nyob rau hauv parallel.

2, Core daim ntawv thov scenarios hauv cov khoom siv hluav taws xob
Photovoltaic Inverter: Efficiency Revolution los ntawm DC rau AC
Hauv txoj hlua photovoltaic inverters, ceev rov qab diodes ua lub luag haujlwm tseem ceeb hauv DC -AC hloov dua siab tshiab. Noj Huawei SUN2000-50KTL-H1 inverter ua piv txwv, nws Boost boost circuit siv lub MUR1680CT ultra ceev rov qab diode (trr=80ns), uas tuaj yeem txo qhov kev hloov pauv los ntawm 40% thaum MPPT taug qab. Tshwj xeeb tshaj yog nyob rau hauv lub teeb load tej yam kev mob, cov mos mos rov qab yam ntxwv zoo suppresses voltage spikes, ua rau lub cev Euro Efficiency rau 98.7%.

Lub Tsheb Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob: Kev ua haujlwm tau zoo ntawm Kev Rectification siab
Lub Tesla V3 Supercharging Chaw Nres Nkoj tau txais 900V high voltage platform, thiab STTH1206DI 600V ceev rov qab diode siv nyob rau hauv nws PFC Circuit Court yog tswj nyob rau hauv 120 nanoseconds los ntawm optimizing lub doping concentration gradient. Ntawm lub hwj chim them ntawm 350kW, cov cuab yeej no ua tiav cov khoom siv hluav taws xob rectifier ntawm 99.2%, uas yog 1.5 feem pua ​​​​cov ntsiab lus siab dua li cov tsoos silicon rectifiers. Nws tuaj yeem txuag tau ntau dua 20000 yuan hauv cov nqi hluav taws xob rau ib qho chaw them nqi txhua xyoo.

Muaj fais fab mov: siab - zaus zog hloov
Nyob rau hauv Emerson CT series siab - zaus muaj fais fab mov, TDAF30A65 650V silicon carbide ceev rov qab diode yog siv los tiv thaiv parallel nrog IGBT los tsim ib qho kev ua haujlwm zoo. Nws qhov xoom thim rov qab cov yam ntxwv tam sim no nce qhov zaus hloov mus rau 200kHz thiab ua tiav lub zog ceev ntawm 5kW / hauv ³. Nyob rau hauv lub hwj chim system ntawm lub laser txiav tshuab, cov cuab yeej no txo ​​cov zis ripple voltage kom qis dua 0.5%, ho txhim kho qhov tseeb machining.

Zog Cia System: Ua kom zoo dua ntawm Bidirectional Converter
BYV26E ultra ceev rov qab diode siv nyob rau hauv lub zog cia system ntawm CATL ua tiav lub zog khiav hauv bidirectional DC-DC converters. Nws qhov tshwj xeeb anode luv Circuit Court qauv ua rau qhov rov qab rov qab softness yam (S=tr/tf) mus txog 0.3. Thaum lub sij hawm lub roj teeb them thiab tshem tawm cov txheej txheem hloov, qhov hluav taws xob overshoot yog tswj nyob rau hauv 5%, ncua lub roj teeb cell lub neej.

3, Cov ntsiab lus tseem ceeb rau kev xaiv thiab tsim
Txoj Cai Golden ntawm Parameter Matching
Voltage margin: Qhov tseeb kev khiav hauj lwm voltage yuav tsum qis dua 70% ntawm qhov ntsuas rov qab repetitive ncov voltage VRRM ntawm lub cuab yeej. Piv txwv li, hauv 1000V photovoltaic system, cov khoom siv nrog VRRM Ntau dua lossis sib npaug rau 1200V yuav tsum tau xaiv.
Tam sim no derating: Qhov nruab nrab rau pem hauv ntej tam sim no IF (AV) yuav tsum raug xaiv raws li 1.5 npaug ntawm qhov kev ua haujlwm tam sim no, thiab qhov siab tshaj plaws rau pem hauv ntej surge tam sim no IFSM yuav tsum tiv taus ntau dua 2 npaug ntawm qhov siab tshaj plaws luv luv -circuit tam sim no ntawm lub system.
Kev poob qis: Hauv daim ntawv thov saum toj no 20kHz, nws yog qhov tsim nyog los ntsuas qhov kev xa mus tom ntej poob (Pon=VF × IF) thiab rov qab poob (Psw tawm=Vr × Irrm × trr × fsw/2), thiab ua ntej xaiv cov khoom siv rov qab ultrafast nrog Qrr<50nC.
System Engineering ntawm Thermal Management
Optimization ntawm tshav kub dissipation txoj kev: Txais DBC ceramic substrate thiab tooj liab koob fin tshav kub dissipation qauv, lub thermal kuj θ ja ntawm TO-247 ntim khoom yog txo mus rau 1.5℃/ W.
Kev soj ntsuam qhov kub thiab txias: Kev sib xyaw NTC thermistor hauv IGBT module los saib xyuas qhov ntsuas kub ntawm diode hauv lub sijhawm tiag tiag, kom ntseeg tau tias nws tsis tshaj qhov ntsuas tus nqi ntawm 150 degree.
Parallel tam sim no sib koom tsim: Siv tib cov khoom siv sib txuas ua ke, thiab kho lub rooj vag tsis kam (Rg) kom synchronize qhov hloov waveform, qhov tsis sib xws tam sim no yog tswj tsis pub dhau 5%.