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Telecom Base Station Storage Battery Energy Power Solution

The power system is built with 12 independent 48V50Ah battery modules. Each battery moudle is with 2.4Kwh.
The system is environmental fiendly and energy-saving.it is a combination of solar power generation system and wind power generation system.

Power Mode

Schematic Diagram: controlled by Time Relay

Equipment Connection

Newly Proposed Solution:

BP4850B LFP battery modules is selected

Performance Parameters (single unit of BP4850B modules):

Original Configuration:

Note: Calculated with 30 days per month.

Ø The site will down-time happen because of Diesel Gen-set start failure.
Ø The DG without Dry Contact Signal to control it start if the battery power finish but the time still not reach 2 hours. à Also down time happen. Lead-acid batteries’ capacity drop down so fast because of high temperature.
Ø The DG load is only 34%, has serious Low Load Problem. It will reduce the engine life!

Solution: 12 pcs BP4850 battery modules.



lUse Current-Limiting Mode of the BP4850B battery to protection:

Ø The current of charging is limiting within 10A.

Ø The BMS of battery can give over-current protection during the system start.

Ø Higher the system stability.

Ø Longer the battery’s cycle life.

l 3 hours batteries’ capacity for backup:

Ø Most of power failure caused of DG Start Failure. It needs some power backup for rush repair;

Ø For LFP battery it is good has 80% DOD for longer Life Cycle;

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