Na Mee 21, 2021, webụsaịtị gọọmentị UL weputara ọdịnaya amụma kachasị ọhụrụ nke ọkọlọtọ batrị UL1973 maka ọdụ ọdụ, ọkọnọ ọkụ inyeaka na ngwa ụgbọ oloko ọkụ (LER). Oge ngwụcha maka ikwu okwu bụ Julaị 5, 2021. Ihe ndị a bụ amụma 35:

1. Nnwale nke modul n'oge ule dị mkpirikpi.

2. Mmezi ndezi.

3. Mgbakwunye nke mwepu na ngalaba arụmọrụ izugbe maka oge ule maka mkpụrụ ndụ ion lithium

ma ọ bụ batrị.

4. Ndozigharị na tebụl 12.1, Rịba ama (d) maka nkwụsị nke njikwa isi.

5. Mgbakwunye nke Mwepu maka Dobe Mmetụta Ule SOC.

6. Mgbakwunye nke mwepu maka n'èzí naanị na Single Cell Failure Design Tolerance test.

7. Ịbugharị ihe niile chọrọ cell lithium n'ime UL 1973.

8. Mgbakwunye nke chọrọ maka repurposing batrị.

9. Nkowa nke batrị lead acid chọrọ.

10. Mgbakwunye ihe achọrọ sistemu ike inyeaka ụgbọ ala.

11. Ndozigharị na Nnwale Ọkụ Mpụga.

12. Mgbakwunye usoro nyocha cell sitere na UL 9540A maka nchịkọta ozi.

13. Nkowa maka spacings njirisi na ogo mmetọ na 7.5.

14. Mgbakwunye nha nke voltaji cell n'oge ule nfefe na nfefe.

15. Nkọwa nke otu cell ọdịda imewe ule ndidi.

16. Amụma maka eru electrolyte batrị.

17. Nsonye nke mebere chaja metal ikuku batrị chọrọ.

18. Mmelite nchekwa ọrụ.

19. Ntinye nke ule EMC maka njikwa nchekwa eletrọnịkị.

20. Nkọwa nke Dielectric Voltage Iguzogide ebe ule na nlele.

21. Oke SELV maka Canada.

22. Ndozigharị na ngalaba 7.1 iji lebara ihe niile na-abụghị ọla anya.

23. Ngwa Smart Grid.

24. Nkowa maka ihe odide ntụkwasị C.

25. Mgbakwunye nke njirisi nrubeisi P - Mwepu nke njikwa nchebe maka nyocha mmetụta nkwụsị.

26. Ntinye nke batrị teknụzụ sodium ion.

27. Ịgbasa ule nyocha mgbidi iji tinye ihe nkwado ndị ọzọ.

28. Ntụle nyocha maka nchọpụta corrosion galvanic.

29. Ndozigharị ihe achọrọ n'ala na 7.6.3.

30. AR Fuse Ntụle na Module / akụkụ voltaji echiche.

31. Mgbakwunye njirisi maka transformers.

32. Ibu ibu n'okpuru mkpofu.

33. Mgbakwunye nke High Rate Charge Test.

34. Ngbanwe nke UL 60950-1 na UL 62368-1.

35. Ndoghari ụkpụrụ akụrụngwa na mgbakwunye A.

Ọdịnaya nke atụmatụ a gụnyere oke obosara, tumadi iji gbasaa ngwa nke UL1973. Enwere ike nweta ọdịnaya zuru oke nke atụmatụ ahụ site na njikọ dị n'okpuru.

Maka aro ndị ọzọ gbasara iwu zuru ezu, ị nwere ike ịkpọtụrụ anyị ma zaghachi anyị, anyị ga-enyekwa kọmitii ụkpụrụ batrị STP otu echiche.

※ Isi mmalite:

1, UL webụsaịtị

https://www.shopulstandards.com/ProductDetail.aspx?UniqueKey=39034

1, UL1973 CSDS amụma PDF

https://www.mcmtek.com/uploadfiles/2021/05/20210526172006790.pdf