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UPS5000-A-30 kVA, 40 kVA and 80 kVA
User Manual
Item
Output
interruption
transfer time
(ms)
Max. BPM
transfer times
Inverter
async. alarm
Issue 13 (2022-01-19)
Description
The interruption for the UPS
to transfer from normal
mode to bypass mode is 1–2
ms, and from bypass mode
to normal mode is 0–20 ms.
Set this parameter based on
the output interruption time
acceptable to loads.
Cross currents occur during
the transfer between bypass
mode and normal mode,
which impacts the system.
This parameter specifies the
number of transfers between
bypass mode and normal
mode within 1 hour, which
ensures system security.
Specifies whether an
Inverter asynchronous
alarm can be displayed on
the LCD when the inverter
cannot track the bypass
frequency change. Normal
power supply is not affected
no matter whether this
parameter is set to Enable or
Disable.
Copyright © Huawei Technologies Co., Ltd.
4 LCD and WebUI
Default Value
Value Range
0
0 ms, 40 ms,
60 ms, 80 ms,
100 ms, 120
ms
5
1–10
Disable
Disable,
Enable
128
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