FusionModule2000 Smart Modular Data Center
Product Description
5 Power Supply and Distribution System
Issue 06 (2020-05-21)
Copyright © Huawei Technologies Co., Ltd.
43
Table 5-17
Battery specifications
Item
Specifications
Battery voltage
360–528 V DC (30–44 batteries, 32 by default; derated by 6%
when there are 30 batteries)
Battery management
Intelligent battery management
Cold start
When a mains outage occurs, batteries can start the UPS to
supply power to loads.
Charging voltage
Equalized charging voltage: 2.3–2.4 V/cell, 2.35 V/cell by
default (30–42 batteries); 2.3–2.35 V/cell, 2.35 V/cell by
default (44 batteries)
Float charging voltage: 2.23–2.3 V/cell; 2.25 V/cell by
default (30–44 batteries)
Table 5-18
Output electrical specifications
Item
Specifications
Output system
Three-phase, four-wire, and PE
Voltage
380 V AC/400 V AC/415 V AC (line voltage)
Output voltage precision
±1% (balanced load)
Output power factor
1
Transfer time
Uninterruptible transfer: 0 ms
Interruptible transfer: ≤ 20 ms
Output voltage imbalance
Voltage imbalance: ±3%; phase imbalance: 120±2°
Overload capability
Inverter overload capability:
100% < load ≤ 110%: transfer to bypass mode after 60
minutes
110% < load ≤ 125%: transfer to bypass mode after 10
minutes (tolerance ± 0.1 minute)
125% < load ≤ 150%: transfer to bypass mode after 1
minute
Load > 150% or a short circuit occurs: run for 200 ms
Derating coefficient of
output circuit breakers
40 A circuit breaker: 0.75
63 A circuit breaker: 0.7
Table 5-19
System electrical specifications
Item
Specifications
System efficiency
96% (linear load)
