Ngo-2025, ngaphezu kwama-68% ezigameko zebhethri likagesi elinamasondo amabili zitholwe zibangelwa yi-Battery Management Systems (BMS) ethintekile, ngokusho kwedatha ye-International Electrotechnical Commission. Le circuitry ebalulekile iqapha amaseli e-lithium izikhathi ezingama-200 ngomzuzwana, yenza imisebenzi emithathu yokulondoloza impilo:
1. I-Voltage Sentinel
• Ukuvalelwa Kokushaja Okungaphezulu: Kunciphisa amandla ku->4.25V/iseli (isb., 54.6V yamaphakethe angu-48V) okuvimbela ukubola kwe-electrolyte
• Ukuhlenga Okungaguquki: Kuphoqa imodi yokulala ku-<2.8V/iseli (isb., <33.6V yezinhlelo ze-48V) ukugwema umonakalo ongenakulungiseka
2. Ukulawula Kwamanje Okuguquguqukayo
| Isimo Sengozi | Isikhathi Sokuphendula se-BMS | Imiphumela Ivinjelwe |
|---|---|---|
| Ukugcwala ngokweqile kokugibela izintaba | Umkhawulo wamanje ku-15A ngama-50ms | Ukushiswa yisilawuli |
| Umcimbi we-short-circuit | Ikhefu lesekhethi ngamasekhondi angu-0.02 | Ukubaleka kokushisa kweseli |
3. Ukuqapha Okunobuhlakani Kwe-Thermal
- 65°C: Ukunciphisa amandla kuvimbela ukubila kwe-electrolyte
- <-20°C: Kushisa amaseli ngaphambi kokushaja ukuze kugwenywe ukufakwa kwe-lithium
Isimiso Sokuhlola Kathathu
① Inani le-MOSFET: ≥6 ama-MOSFET ahambisanayo aphatha ukukhishwa okungu-30A+
② Ukulinganisela Kwamanje: >80mA kunciphisa ukwehlukana kwamandla eseli
③ I-BMS imelana nokungena kwamanzi
Ukugwema Okubalulekile
① Ungalokothi ushaje amabhodi e-BMS abonakalayo (ingozi yomlilo iyanda ngo-400%)
② Gwema ukudlula imikhawulo yamanje ("i-mod yocingo lwethusi" ivala konke ukuvikelwa)
"Ukwehluka kwamandla kagesi okudlula u-0.2V phakathi kwamaseli kubonisa ukwehluleka kwe-BMS okuseduze," kuxwayisa uDkt. Emma Richardson, umcwaningi wokuphepha kwe-EV kwa-UL Solutions. Ukuhlolwa kwamandla kagesi nyanga zonke ngama-multimeter kungandisa isikhathi sokuphila kwephakeji ngokuphindwe kathathu.
Isikhathi sokuthunyelwe: Agasti-16-2025
