UPS5000-S-1200 kVA
User Manual
4 User Interface
Issue 04 (2019-06-25)
Copyright © Huawei Technologies Co., Ltd.
137
Item
Description
Default Value Value Range
cannot enter the ECO mode. If
this parameter is set to
Enable
,
the preceding detection is not
performed. Whether the bypass
current is imbalanced does not
affect the ECO bypass mode.
Battery Settings
Battery parameter settings impact battery maintenance, battery lifespan, and UPS discharge
time. When you set battery parameters, note the following:
Retain default settings for
Chg. cur. limiting coef.
and
Cell float voltage
. Only
professional maintenance personnel are allowed to change the settings.
When you set parameters, ensure the following:
Chg. cur. limiting coef.
>
Transfer-to-equalized charging cur. coef
.
Single batt. float chg. voltage deviation alarm thres.
and
Single batt. dis. voltage
deviation alarm thres.
are used to check whether the batteries in each battery string have
the same charge voltage and discharge voltage. When a value exceeds the specified range,
an alarm is generated. The calculation formula is (Charge/Discharge voltage – Average
voltage)/Average voltage x 100%. The charge/discharge voltage and average voltage are
obtained from the BMU. If the BMU is not configured, these two parameters do not need
to be set.
Item
Description
Default Value Value Range
Float volt.
temp. comp.
If this parameter is set to
Enable
,
the float voltage is calibrated
based on the battery temperature
when a battery temperature
sensor is connected. The
parameter is configurable in any
mode.
Enable
Disable, Enable
Float volt.
temp. comp.
coef.
(mV/°C·cell)
Calibration coefficient during
float voltage temperature
compensation.
3.3
0.0–6.0
Float Chg
Temp Comp
Center (°C)
Indicates the reference
temperature during temperature
compensation of the float
charging voltage.
25
20–30
Automatic
equalized
charging
If this parameter is set to
Enable
,
the UPS automatically changes
the battery management status to
equalized charge based on the
Enable
Disable, Enable