Huawei UPS5000-S-400K-SM User Manual page 208

UPS5000-S-(350 kVA-800 kVA)
User Manual
Table 4-13 Output settings
Item
Zero display
with no load
output
Calib. output
current if no
load
Output
interruption
transfer time
(ms)
Max. BPM
transfer times
Current
equal.
detection
Inverter
async. alarm
Issue 12 (2023-05-26)
Description
If this parameter is set to
Enable, the output current is
displayed as 0 when no load
is output. The output load
rate is displayed as 3%.
When this parameter is set to
Disabled, the output current
and output load rate are not
adjusted to zero.
If this parameter is set to
Enable, the current at no
load will be calibrated once
automatically. This function
can be used only when the
UPS carries no load.
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.
Monitors the current
differences between racks or
modules. If this parameter is
set to Enable, the Mod. Cur.
Eql. Data can be viewed on
the running information
screen.
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 Digital Power Technologies Co., Ltd.
4 User Interface
Default Value Value Range
Enable Disable,
Enable
Disable Disable,
Enable
0 0 ms, 40 ms,
60 ms, 80 ms,
100 ms, 120
ms
5 1–10
Disable Disable,
Enable
Disable Disable,
Enable
199