Ka 2025, ho feta 68% ea liketsahalo tsa betri ea motlakase ea mabili a mabeli li ile tsa hlaha ho tsoa ho Litsamaiso tsa Tsamaiso ea Libetri (BMS) tse senyehileng, ho latela lintlha tsa Khomishene ea Machaba ea Electrotechnical. Potoloho ena ea bohlokoa e lekola lisele tsa lithium ka makhetlo a 200 ka motsotsoana, e etsa mesebetsi e meraro e bolokang bophelo:
1Sentinel ea Motlakase
• Ho Kena ha Matla a Fetang: Ho fokotsa matla ho >4.25V/sele (mohlala, 54.6V bakeng sa lipakete tsa 48V) ho thibela ho bola ha electrolyte
• Pholoso ea Undervoltage: E qobella mokhoa oa ho robala ho <2.8V/sele (mohlala, <33.6V bakeng sa litsamaiso tsa 48V) ho qoba tšenyo e ke keng ea fetoloa
2. Taolo ea Hona Joale e Fetohang
| Boemo ba Kotsi | Nako ea Karabelo ea BMS | Liphello lia Thibeloa |
|---|---|---|
| Ho hloa lithaba ka bongata bo feteletseng | Moeli oa hona joale ho 15A ka 50ms | Ho khathala ha balaoli |
| Ketsahalo ea potoloho e khuts'oane | Phokotso ea potoloho ka 0.02s | Sele e balehang ka mocheso o sa laoleheng |
3. Tlhokomelo e Bohlale ea Thermal
- 65°C: Phokotso ea matla e thibela ho belisa ha electrolyte
- <-20°C: E futhumatsa lisele pele e tjhaja ho qoba ho penta ka lithium
Molao-motheo oa Tlhahlobo e Tharo
① Palo ea MOSFET: ≥6 MOSFET tse bapileng li sebetsana le ho ntša metsi ha 30A+
② Ho Leka-lekanya Hona Joale: >80mA ho fokotsa ho fapana ha bokgoni ba sele
③ BMS e mamella ho kena ha metsi
Liqoso tse Bohlokoa
① Le ka mohla u se ke ua tjhaja liboto tsa BMS tse pepesitsoeng (kotsi ea mollo e eketseha ka 400%)
② Qoba ho feta li-limiter tsa hona joale ("mod ea terata ea koporo" e hlakola tšireletso eohle)
"Phapang ea motlakase e fetang 0.2V lipakeng tsa lisele e bontša ho hloleha ha BMS ho haufi," ho lemosa Ngaka Emma Richardson, mofuputsi oa polokeho ea EV ho UL Solutions. Ho hlahlojoa ha motlakase khoeli le khoeli ka li-multimeter ho ka eketsa bophelo ba sephutheloana ka makhetlo a 3.
Nako ea poso: Phato-16-2025
