Victron Energy Battery Balancer Handleiding

Victron Energy Niet gecategoriseerd Battery Balancer

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Pagina 1/2
www.victronenergy.com
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One batte
ry with a slightly higher internal leakage current in a 24V or 48V bank of several series/parallel connected batteries will cause
under
charge of that battery and parallel connected batteries, and overcharge of the series connected batteries. Moreover, when new cells
or batteries are connected in series, they should all have the same initial state of
charge. Small differences will be ironed out during
absorption or equalize charging, but large differences will result in damage due to excessive gassing (cause
d by overcharging) of the
batteries with the
higher initial state of (caused by undercharging) of the batteries with the lower initial state of charge and sulphation
charge.
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The Battery Balancer equalizes the state of cha
rge of two series connected 12V batteries, or of several parallel strings of series connected
batteries.
When the charge voltage of a 24
V battery system increases to more than 27 V, the Battery Balancer will turn on and compare the voltage ,3
over the two seri
es connected batteries. The Battery Balancer will draw a current of up to 0,7A from the battery (or parallel connected
batteries) with the highest voltage. The resulting charge current differential will ensure that all batteries will converge t
o the same state of
charge.
If needed, several balancers can be paralleled.
A 48
V battery bank can be balanced with three Battery Balancers.
LED indicators
LED indicators
LED indicators
LED indicatorsLED indicators
Gre
Gre
Gre
GreGreen:
en:
en:
en:en:
on (battery voltage > 27,3V)
Orange
Orange
Orange
OrangeOrange:
:
:
::
lower battery leg active (deviation > 0,1V)
Orange
Orange
Orange
OrangeOrange:
:
:
::
upper battery leg active (deviation > 0,1V)
Red:
Red:
Red:
Red:Red:
alarm (deviation > 0,2V). Remains on until the deviation has reduced to less than 0,14V, or until system voltage drops to less than
26,6V.
Alarm relay
Alarm relay
Alarm relay
Alarm relayAlarm relay
Normally open.
The alarm relay closes when the red LED switches on and opens when the red LED switches off.
Alarm reset
Alarm reset
Alarm reset
Alarm resetAlarm reset
Two terminals are available to connect a push button. Interconnecting the two terminals resets the relay.
The
reset condition will remain active until the alarm is over. Thereafter the relay will close again when a new alarm occurs.
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70702 Battery M
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The BMV
-702 measures the midpoint of a string of cells or batteries. It displays the s deviation from the ideal midpoint in volt or percent.
Separate deviation percentages
can be set to trigger a visual/audible alarm and to close a potential free relay contact for remote alarm
purposes.
P
lease see the manual of the BMV- 702 for more information about battery balancing.
Learn more
Learn more
Learn more
Learn moreLearn more a
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To learn more about batteries and charging batteries, please refer to our book
‘Energy Unlimited’ (available free of charge from Victron
Energy and downloadable from
www.victronenergy.com).
Victron B attery Balancer
Battery Bal
Battery Bal
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ancer con
ancer con
ancer conancer connected to
nected to
nected to
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c
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d 1
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2
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22V ba
V ba
V ba
V baV batteries
tteries
tteries
tteriestteries
(2
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4V sy
4V sy
4V sy4V system
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)
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))
Three Battery Bal
Three Battery Bal
Three Battery Bal
Three Battery BalThree Battery Balancers connected
ancers connected
ancers connected
ancers connectedancers connected to four series
to four series
to four series
to four series to four series
connec
connec
connec
connecconnected
ted
ted
tedted 12
12
12
12 12V
V
V
VV batteri
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batteri
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es
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Victron Energy B.V. | De Paal 35 | 1351 JG Almere | The Netherlands
General phone: +31 (0)
36 535 97 00 | E-mail: sales@victronenergy.com
www.victron
www.victron
www.victron
www.victronwww.victronenergy.com
energy.com
energy.com
energy.comenergy.com
Victron Battery Balancer
Input voltage range Up to 18V per battery, 36V total
Turn on level 27,3 1%V +/-
Turn off level 26,6V +/- 1%
Current draw when off 0,7 mA
Midpoint deviation to start balancing 50 mV
Maximum balancing current 0,7A (when deviation > 100 mV)
Alarm trigger level 200 mV
Alarm reset level 140 mV
Alarm relay A normally open 60V / 1
Alarm relay reset Two terminals to connect a push button
Over temperature protection yes
Operating temperature - o C 30 t +50°
Humidity (non-condensing) 95%
ENCLOSURE
Colour Blue (RAL 5012)
Connection terminals Screw terminals 6 mm² / AWG10
Protection category IP22
Weight 0,4 kg
Dimensions (h x w x d) 100 x 113 x 47 mm
STANDARDS
Safety , -1 EN 60950 CSA/UL 62368
Emission -6- -1 EN 61000 3, EN 55014
Immunity -6- -6- -2 EN 61000 2, EN 61000 1, EN 55014
EN 50498
Installation
1)
-The Battery Balancer(s) must be installed on a well ventilated vertical
surface close to the batteries (but, due to possible corrosive gas ses,
not above the batteries!)
2)
In case of series-parallel connection, the midpoint
interconnecting cables must be sized to at least carry the current
that arises when one battery becomes open- circuited.
- In case of 2 parallel strings: cross section 50% of the series
interconnecting cables.
- In case of 3 parallel strings: cross section 33% of the series
interconnecting cables, etc.
3)
If required: first wire the alarm contact and the alarm reset.
4)
Use at least 0,75 mm² to wire the negative, positive and midpoint
connections (in this order . Additionally, in your application ) if it is
needed to comply with UL, also fuse these wires near the batteries
with a 10A fuse suitable for DC (e.g. Littelfuse ATOF series current
automotive blade fuse in combination with an inline fuse holder).
5)
The balancer is operational.
When the voltage over a string of two batteries is less than 26,6V the
balancer switches to standby and all LEDs will be off.
When the volt
age over a string of two batteries increases to more than
27,3V (during charging) the green LED will turn on, indicating that the
balancer is on.
When on, a voltage deviation of more than 50 mV will start the
balancing process at 100 mV e of the two orange LED and on s will turn
on. A deviation of more than 200 will trigger the alarm relay. mV
What to do in case of an alarm during charging
In case of a new battery bank the alarm is probably due to differences in
initial state
- -of charge. If the difference between the lowest and highest
battery
voltage reading is more than 0,9V: stop charging and charge the
individual batteries or cells separately first, or reduce charge current
substantially and allow the batteries to equalize over time.
If the problem persis
ts after several charge- discharge cycles:
a)
-In case of series parallel connection disconnect the midpoint parallel
connection wiring and measure the individual midpoint vol
tages during
absorption charge to isolate batteries or cells which need addi tional
charging, or:
b)
Charge and then test all batteries or cells individually or:
c)
Connect two or more battery balancers in parallel (on average one
balancer will take care of up to three parallel 200 Ah strings).
In case of an older battery bank which
has performed well in the past, the
problem may be due to:
d)
Systematic undercharge: more frequent charging needed (VRLA
batteries), or equalization charge needed (flooded deep cycle flat
plate or OPzS batteries). Better and regular charging will solve the
problem.
e) batteries One or more faulty cells: replace all .
Battery Balancer
Battery Balancer
Battery Balancer
Battery BalancerBattery Balancer c
c
c
c connected
onnected
onnected
onnectedonnected to six
to six
to six
to six to six series
series
series
seriesseries-
-
-
--parallel
parallel
parallel
parallel parallel
connec
connec
connec
connecconnected
ted
ted
tedted 1
1
1
1 12V b
2V b
2V b
2V b2V batter
atter
atter
atteratteries
ies
ies
iesies (24
(24
(24
(24 (24V sys
V sys
V sys
V sysV system)
tem)
tem)
tem)tem)
Thre
Thre
Thre
ThreThree Batt
e Batt
e Batt
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ery Bal
ery Bal
ery Balery Bala
a
a
aancer
ncer
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s conn
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ected
ected
ectedected to
to
to
to to 12 seri
12 seri
12 seri
12 seri12 series
es
es
eses-
-
-
--parallel
parallel
parallel
parallel parallel
connec
connec
connec
connecconnected
ted
ted
tedted 1
1
1
1 12V b
2V b
2V b
2V b2V batter
atter
atter
atteratteries
ies
ies
iesies (48
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Product specificaties

Merk: Victron Energy
Categorie: Niet gecategoriseerd
Model: Battery Balancer

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