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2.5.2
Setup parameter detail
Cb:
Battery capacity Ah.
The battery capacity for a 20h discharge rate
at 20
C.
Vc:
Charged voltage.
The battery voltage must be above this voltage
level to consider the battery as fully charged. Make sure the
voltage-charged-parameter is always slightly below the voltage at
which the charger finishes charging the battery (usually 0.1V or
0.2V below the ‘float’ stage voltage of the charger).
It:
Tail current.
When the charge current value is below this
percentage of the battery capacity (Cb), the battery can be
considered as fully charged. Make sure this is always greater than
the minimum current at which the charger maintains the battery, or
stops charging.
Tcd:
Charged detection time.
This is the time the charged-parameters
(It and Vc) must be met, in order for the battery to be considered
fully charged.
CEF:
Charge Efficiency Factor.
When a battery is being charged,
energy is lost. The Charge Efficiency Factor compensates for the
lost energy, where 100% is no loss.
PC:
Peukert exponent
(see chapter 2.3.2). When unknown it is
recommended to keep this value at 1.25. A value of 1.00 disables
the Peukert compensation. Contact your battery manufacturer for
the correct Peukert exponent for your battery.
Ith:
Current threshold.
When the current measured falls below this
value it will be considered as zero Amps. With this function it is
possible to cancel out very small currents that can negatively affect
long term state-of-charge readout in noisy environments. For
example if an actual long term current is +0.05A and due to
injected noise or small offsets the battery monitor measures –
0.05A, in the long term the BMV can incorrectly indicate that the
battery needs recharging. When in this case Ith is set to 0.1, the
BMV calculates with 0.0A so that errors are eliminated. A value of
0.0 disables this function.
Tdt:
Average time-to-go.
Specifies the time window (in minutes) that
the moving averaging filter works with. Selecting the right time
depends on your installation. A value of 0 disables the filter and
gives you instantaneous (real-time) readout; however the displayed
values may fluctuate heavily. Selecting the highest time (12
Содержание Blue Power BMV-602
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