Simple Method to Estimate Battery Lifetime of Lead-Acid and Lithium-Ion Batteries in Uninterruptible Power Supplies

In this work the event-oriented method is employed to model and predict the lifetime of lead-acid and lithium iron phosphate batteries, applied to uninterruptible power supplies (UPS). The use of an ampere-hour integration method to verify battery state of health is proposed to be used in conjunctio...

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Bibliographic Details
Main Authors: Bolsi, Pedro C., Prado, Edemar O., Nazare, Romario J., Sartori, Hamiltom C., Pinheiro, Jose R.
Format: Conference Proceeding
Language:English
Subjects:
Batteries
Costs
Discharges (electric)
Iron
Lead
Lead-acid battery
Lifetime
Lithium ion
Lithium iron phosphate
Microprocessors
State of health
Uninterruptible Power Supply
Uninterruptible power systems
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Summary:In this work the event-oriented method is employed to model and predict the lifetime of lead-acid and lithium iron phosphate batteries, applied to uninterruptible power supplies (UPS). The use of an ampere-hour integration method to verify battery state of health is proposed to be used in conjunction with the event-oriented method for higher accuracy. The methods are applied to a commercial 1 kW single-office\home-office UPS. The methods are proposed considering that additional circuits, measurements and microprocessors must be avoided to not increase the cost of the UPS, reducing its market competitiveness.
ISSN:2832-2983
DOI:10.1109/SPEC56436.2023.10408219