System Electrical Specifications - Huawei UPS5000-A-400 kVA User Manual

UPS5000-A-400 kVA
User Manual (50 kVA, PF=0.9)

8.8 System Electrical Specifications

Issue 03 (2020-01-10)
Item
Frequency
Total harmonic distortion of
output voltage (THDv)
Output PF
Transfer time
Output voltage unbalance
Overload capability
System Specifications
Number of the parallel UPSs
Power supply reliability
ECO
Copyright © Huawei Technologies Co., Ltd.
400 kVA
(line voltage)
In normal mode, the mains frequency is synchronous
with the bypass input frequency. The frequency is 50
Hz or 60 Hz (tolerance ± 0.25%) (local frequency of
the inverter).
 < 1% (full linear load)
 < 4% (full non-linear load)
0.9
0 ms
Voltage unbalance: ± 3%; phase unbalance: ± 2°
Inverter overload capability:
105% < load ≤ 110%: transfer to bypass mode after

60 min
110% < load ≤ 125%: transfer to bypass mode after

10 min
125% < load ≤ 150%: transfer to bypass mode after

1 min
Bypass overload capability:
105% < load ≤ 110%, 60 min in bypass mode

110% < load ≤ 125%: 10 min in bypass mode

125% < load ≤ 150%: 1 min in bypass mode

 Load = 1000%: 100 ms in bypass mode
400 kVA
≤ 4
The auxiliary power supplies, centralized controllers,
and parallel signals use a redundancy design.
Supported
8 Technical Specifications
183