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QUINT-UPS/ 24DC/ 24DC/40
11.4
Charging characteristic
When the recommended UPS-BAT ? power storage device
is used, the intelligent battery management of the UPS adapts
itself to the respective connected storage technology such as
Lithium or lead (VRLA – Valve Regulated Lead Acid) batter-
ies. Additional settings of charging parameters are not neces-
sary due to automatic detection.
If the communication cable between the UPS and the power
storage device is interrupted, the temperature detected in the
UPS module is used temporarily to ensure temperature com-
pensation.
Temperature recording only takes place in the UPS module
when using power storage devices other than the UPS-
The UPS is equipped with an integrated charging unit. Charg- BAT ? . In addition, adjustment and adherence to the charg-
the I<I input of the UPS is connected to the corresponding
ing is performed according to the current battery state. By
measuring the current temperature at the battery, tempera-
ture-compensated charging takes place. The intelligent bat-
tery management ensures fast availability and maximum ser-
vice life of the power storage device. Depending on the
performance class of the UPS, the integrated charging unit
can have the following maximum charging current.
ing parameters is necessary.
11.5 Fast battery charging, intelligent charging (con-
tact I< I N )
The adaptive current management of the charging unit
charges the power storage device considerably faster when
N
UPS
5 ? A
10 ? A
20 ? A
40 ? A
Max. charging current
1.36 ? A
2.88 A
5 ? A
5 ? A
output of the power supply. This ensures shorter recharging
times and the power storage device is available with full ca-
pacity much more quickly.
At the same time, the module supplies sufficient power for
buffered DC loads. As long as the upstream connected power
supply unit has sufficient power reserves, charging continues
with high current. If the load requires a higher current, this is
The recharging time results from the maximum available
charging current and the total capacity of the storage device
type connected.
supplied at the highest priority. In this case the power storage
device is charged more slowly.
The fast battery charging function is only available when the
Charge control depends on the IUoU charging characteristic. power supply unit makes a static power reserve available with
This is a 3-stage charging process that is represented as fol- corresponding signal contact, e. ? g., QUINT POWER with
lows.
POWER BOOST and preventive function monitoring.
A
Figure 14
B
Charging curve
C
t
SOC
U
I
Stage
A
B
C
Name
Main charge
Compensation
charging
Trickle charging
Description
Constant current charging
phase (CC), initial charging
current
Constant voltage charging
phase (CV), compensation
trickle charge voltage
Constant voltage charging
phase (CV), trickle charging
final voltage
104660_en_01
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