باتری شارژر EBC 2420

باتری شارژر EBC 2420
تولید کننده: انکو
مدل کالا: EBC 2420
موجودی: 10
قیمت: 670,000تومان
قیمت بدون مالیات: 670,000تومان
EBC 2420
Battery Charger Units – EBC Series

Charging Lead-Acid batteries in three controlled stages for best performance

SMPS technology for maximum efficiency and reliablity with minimum heat dissipation.

EBC 2420M can deliver continuous charging current of 20A into 24V battery system (voltage is set to 27.6Vdc, with an option of up to 29.4Vdc) These battery chargers are designed with performance in mind and special care is taken for protecting and extending the lifetime of the battery.

EBC 2420M is designed with “Switched Mode” technology. The control system is also designed in such a way that; battery is charged in three stages:

  • Constant current mode (protecting battery cells)
  • Constant voltage mode (reducing the charge current)
  • Float charge (compensation of internal self-discharge)

Constant current mode makes sure that; when the battery is drained down below its rated capacity, the high charge current flow into the battery is limited in order to protect the cells and reduce damage to the plates. Charging characteristics are compliant to DIN41772/ DIN41773; power limited.

When the required battery terminal voltage is fully reached, the charger keeps supplying just enough current in order to compensate for the internal self-discharge (float charge). This ensures that the battery can maintain its high charge state and deliver its rated output current, when ever required.

The charger is also designed to operate with Constant Power output, where full output power can be delivered into the load up to 60° C ambient temperature. The output power is linearly de-rated down to zero at 70°C. This function ensures that the charger can deliver maximum available power to the load under any operating conditions without reducing charger reliability.

Typical Cell charging characteristics of the charger is shown in the table. The Cell is part of the battery and 24V batteries contain 12 cells. Factory setting of the charger allows each Cell to be charged to 2.30Vdc, which corresponds to 27.60Vdc terminal voltage. User can use an option up to 2.45Vdc per Cell, which corresponds to 29.40Vdc battery terminal voltage.

Each charging stage can be seen on the table. Initial cell charging is achieved with constant current mode, which limits the current such that it does not damage the cell plates. Normal charging time should be calculated as 10hr to 12hr. This requires typical charging current rating of 10% of the rated battery current capacity.

After the initial charging stage is completed, charge current starts to decrease as the cell voltage approaches 2.30Vdc. This takes approximately 60% of the charging period and is necessary to equalize each Cell voltage within the battery. During this period, the charger ensures stable constant voltage across the battery terminals.

After the charging is completed, the battery keeps draining current from the charger in order to compensate its internal resistive losses, called Self Discharging of the battery. This needs to be compensated in order to keep the battery charge at its highest condition.

If reverse polarity protection is required, user has to fit an external fuse in the charge circuit with the indicated rating in the table.

Charge failure alarm relay is built in and no need for an external relay use. The alarm output is a dry contact, potential free relay output with 3A/250Vac rating, which is energized in normal operation.

Boost charge can be initiated by pulling the “Boost Charge” input to ground with a relay contact. Boost will be in operation as long as the contact is closed.

The charger enclosure is made from Aluminum alloy metal sheet and the unit can only be fitted as rail mounting. Total weight is 1400gr.

Care should be taken in order to make sure that the perforations on the metal enclosure is not covered and free air ventilation is maintained within the panel. Otherwise, excess accumulated heat will degrade the overall efficiency of the charger unit.

Earth connection has to be made securely as the case is made from metal. Also proper noise filtering can only be achieved with secure case earth connection

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