Huawei SmartLi 3.0 - Page 50

Item 8+8
Scenario
7+7
Scenario
6+6
Scenario
8+0
Scenario
7+0
Scenario
6+0
Scenario
Overvoltage category OVC II
Table 3-6 Protection functions
Item Specications
Battery overvoltage
protection
● Cell: overvoltage warning: ≥ 3.8 V; level-1 protection: ≥ 3.65 V;
level-2 protection: ≥ 3.9 V; level-3 protection: > 4.0 V
● Battery string (8 packs): level-1 protection: ≥ 564 V; level-2
protection: ≥ 568 V; level-3 protection: ≥ 580 V
● Battery string (7 packs): level-1 protection: ≥ 493.5 V; level-2
protection: ≥ 497 V; level-3 protection: ≥ 507.5 V
● Battery string (6 packs): level-1 protection: ≥ 423 V; level-2
protection: ≥ 426 V; level-3 protection: ≥ 435 V
Battery undervoltage
protection
● Cell: undervoltage warning: ≤ 2.9 V; level-1 protection: ≤ 2.7 V;
level-2 protection: ≤ 2.3 V; level-3 protection: < 2.0 V
● Battery string (8 packs): undervoltage warning: ≤ 448 V;
protection: ≤ 408 V
● Battery string (7 packs): undervoltage warning: ≤ 392 V;
protection: ≤ 357 V
● Battery string (6 packs): undervoltage warning: ≤ 336 V;
protection: ≤ 306 V
Overtemperature
protection
> 67°C
Undertemperature
protection
< 0°C
SmartLi 3.0
User Manual (Short-Term Backup Power) 3 Technical Specications
Issue 10 (2024-01-31) Copyright © Huawei Digital Power Technologies Co., Ltd. 41