Tikoloho ea likoloi ke e 'ngoe ea libaka tse matla ka ho fetesisa tsa elektroniki. Tsa kajenoLisebelisoa tsa EVmeralo e ata ka lisebelisoa tsa elektroniki tse hlokolosi, ho kenyeletsoa taolo ea elektroniki, infotainment, sensing, lipakete tsa betri, taolo ea betri,ntlha ea koloi ea motlakase, le lijaja tse ka har'a board. Ntle le mocheso, li-voltage transients, le tšitiso ea motlakase (EMI) tikolohong ea likoloi, tjhaja e ka board e tlameha ho hokahana le grid ea motlakase ea AC, e hlokang tšireletso ho litšitiso tsa mohala oa AC bakeng sa ts'ebetso e tšepahalang.
Baetsi ba likarolo tsa kajeno ba fana ka lisebelisoa tse ngata bakeng sa ho sireletsa lipotoloho tsa elektroniki. Ka lebaka la ho hokahana le marang-rang, ts'ireletso ea tjhaja ka botong ho tsoa ho matla a motlakase a sebelisang likarolo tse ikhethang ke ea bohlokoa.
Tharollo e ikhethang e kopanya SIDACtor le Varistor (SMD kapa THT), ho fihlela mocheso o tlaase oa clamping tlas'a sekhahla se phahameng sa surge. Motsoako oa SIDACtor + MOV o thusa baenjiniere ba likoloi ho ntlafatsa khetho, ka hona, litšenyehelo tsa li-semiconductors tsa matla moralong. Likarolo tsena lia hlokahala ho fetolela motlakase oa AC ho motlakase oa DC ho tjhaja koloiho tjhaja betri ka botong.
Setšoantšo sa 1. Setšoantšo sa Block Charger on-Boto
The On-BotoCharger(OBC) e kotsing nakong eaHo tjhaja EVka lebaka la ho pepesehela liketsahalo tsa overvoltage tse ka hlahang marangrang a matla. Moralo o tlameha ho sireletsa li-semiconductors tsa matla ho li-transients tsa overvoltage hobane li-voltage tse kaholimo ho meeli ea tsona li ka li senya. Ho holisa ts'epahalo le bophelo ba EV, lienjineri li tlameha ho sebetsana le litlhoko tse ntseng li eketseha tsa hona joale le ho theola matla a matla a ho koala meralo ea bona.
Mehlala ea mehloli ea ho eketseha ha motlakase oa nakoana e kenyelletsa tse latelang:
Ho fetoha ha meroalo ea capacitive
Ho fetola litsamaiso tse tlase tsa motlakase le li-circuits tsa resonant
Lipotoloho tse khutšoane tse bakoang ke kaho, likotsi tsa sephethephethe, kapa lifefo
Li-fuse tse hlahisitsoeng le tšireletso ea overvoltage.
Setšoantšo sa 2. Recommended Circuit For Differential And Common Mode Transient Voltage Circuit Protection Sebelisa MOVs Le GDT.
A 20mm MOV e ratoa bakeng sa ho tšepahala le tšireletso ho molemo. 20mm MOV e sebetsana le 45 pulses ea 6kV/3kA surge current, e matla ho feta 14mm MOV. Diski ea 14mm e khona ho sebetsana le li-surges tse 14 feela bophelong bohle ba eona.
Setšoantšo sa 3. Clamping Performance Of The Little lnfuse V14P385AUTO MOV Under 2kV And 4kV Surges. Motlakase oa Clamping o Feta 1000V.
Boikemisetso ba ho khetha mohlala
Charger ea boemo ba 1—120VAC, potoloho ea mohato o le mong: Mocheso o lebelletsoeng oa tikoloho ke 100°C.
Ho ithuta haholoanyane ka ho sebelisa SIDACt kapa Tšireletso ea Thyristors holikoloi tsa motlakase, khoasolla molaetsa oa Mokhoa oa ho Khetha Ts'ireletso ea Optimum Transient Surge bakeng sa EV On-Board Chargers molaetsa oa kopo, ka thuso ea Little fuse, Inc.
Nako ea poso: Jan-18-2024