Table 10-5 Protection function
Item
Specifications
Battery overvoltage
protection
Cell:
● Level-1 protection: > 3.65 V
● Level-2 protection warning: > 3.8 V
● Level-2 protection: > 3.9 V
Battery string:
● Level-1 protection: > 564 V
● Level-2 protection warning: > 568 V
● Level-2 protection: > 580 V
Battery undervoltage
protection
Cell:
● Undervoltage warning: < 2.6 V
● Level-1 protection: < 2.5 V
● Level-2 protection: < 2.3 V
Battery string:
● Undervoltage warning: < 448 V
● Protection: < 408 V
Overtemperature
protection
> 67°C
Undertemperature
protection
< –5°C
Overcurrent protection
Charge:
● Level-1 protection: > 96 A
● Level-2 protection: > 200 A
Discharge:
● Level-1 protection: > 500 A
● Level-2 protection: > 520 A
EPO protection
You can trigger the SmartLi EPO protection by performing EPO on the
UPS or over the specified dry contact of the SmartLi.
NO TE
When the UPS5000-E is used with the SmartLi, the maximum half-wave load capacity is 5%
of the rated load.
SmartLi 2.0
User Manual
10 Technical Specifications
Issue 09 (2022-01-30)
Copyright © Huawei Technologies Co., Ltd.
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