Load Preconization - SDMO RL6-1b Manual De Uso Y Mantenimiento

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9.4.4 Load preconization

Highly discharged or sulphated batteries (formation of whitish lead sulphate deposit on the plates, which becomes hard and
insoluble to acid; this deposit reduce the active surface of the plates, and increases their internal resistance) can no longer
regenerate or be charged in a generating set.
A discharged battery should be recharged immediately, or else it will suffer irreparable damage.
Important
Battery charge
When several batteries are connected together, the following points should be checked:
Are the batteries connected in series?
Has the correct voltage been chosen? 1 battery x 12 V , 3 x 36V batteries.
Adjust the charge current to the lowest battery.
The power difference between the batteries must be as low as possible.
Example of charge:
12V 60 Ah battery = charging current 6 A.
Charge status: 50% (acid density 1.21/voltage when idle 12.30V).
The battery is short 30 Ah, and this must be recharged.
Charge factor: 1.2.
Ah x 1.2 = 36 Ah to be charged.
Charging current: 6A approximately 6 hours charging required.
Recharging is complete when the battery voltage and the acid density stop increasing.
→ The charging current must always be 1/10
The power of the charger must be suitable for the battery to be charged and the charging time available.
You need to use an automatic charger able to provide a sufficient voltage and charging current, as well as a compensation voltage to
handle spontaneous battery discharge.
th
of the nominal capacity of the battery.
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