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Design And Implementation Of Fast Three Stages Sla Battery Charger For Plc Systems | ||
| Journal of Engineering | ||
| Article 1, Volume 17, Issue 3, 2011, Pages 448-465 | ||
| Author | ||
| Anas W. Ata | ||
| Abstract | ||
| New fast sealed lead acid (SLA) battery chargers must be able to charge the fully discharged batteries in a short time. In the same time, the charger must monitor the battery state of health in order to prevent over charge and to extend the battery life time. In this paper a Fast charger was presented to charge SLA batteries in short time and monitor the battery voltage to prevent over charge. The design was implemented practically. And 150 charger of similar type was produced for commercial use. They are now in service in different Mobile base station sites around Baghdad. It can charge a fully discharged 12V, 4.5Ah battery in less than 5 hours. To supply PLC control system on DC power to about 24 hour of continuous operation during main electricity faults. During one and half year of continuous operation three faults have been recorded in the 150 chargers. All of the three cases were because of bad components manufacturing. | ||
| Keywords | ||
| SLA; VRLA; SoC; SoH; Battery Chargers; three mode charger; Fast charger; DC PLC backup system | ||
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