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What are the ways to use UPS lithium iron phosphate battery floating charge?

by:Vglory      2021-05-12
UPS lithium iron phosphate battery floating charge usage method: (1) Check discharge of lithium battery. Discharge the lithium battery UPS separately to check whether the lithium battery pack can meet the requirements of the maximum average load. This discharge method is called check discharge . The specific method is: choose to interrupt the work of the high-frequency switching power supply under the maximum load, and make the lithium battery pack discharge separately, so that the power required by the actual load is all borne by the lithium iron phosphate battery pack, and the lithium battery is calculated at the end of the discharge. The output capacity of the package. ⑵Strengthen the management of floating charging operation mode The floating charging operation mode is in the DC power supply system, the lithium iron phosphate battery pack is connected in parallel with the charging device equipment, as the only backup power supply for the substation DC power supply system. In the process of floating charge operation, due to the different internal resistance and self-discharge of each lithium battery UPS, their actual capacity is different, which is manifested in the inconsistent terminal voltage. UPS lithium iron phosphate battery charging method: The charger charges the UPS lithium battery with a constant current. As the battery voltage increases, the charger increases the charging voltage at the same time to speed up the charging speed. When the battery reaches the 4.2V cut-off voltage, the battery only charges about 70% of the power (not full) at this time. At this time, the charger continues to charge the battery with a constant voltage and a gradually decreasing current, until the value is less than 0.1A, and the battery voltage continues to rise when the battery voltage continues to rise before it stops charging. When charging the lithium iron phosphate battery UPS and related products, the charger is best to choose the original special charger. Because the original charger is the most suitable for voltage, charging speed, etc., it is also the least likely to damage the battery. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: What are the correct methods of using lithium batteries for electric vehicles?
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