Modeling, analyzing and designing a phase-locked battery charger

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8 Citations (Scopus)

Abstract

In this paper, a linear model for describing the Li-ion battery charging response is developed. Then a Phase-Locked Battery Charger (PLBC) mathematical model is built, and its s-domain transfer function is also derived. The stable, safe and fast charging conditions of the PLBC are discussed and many criteria are proposed. After that, a complete design procedure is presented for designing a fast and safe PLBC. Finally, a test example of the PLBC is designed and implemented for a 700 mAh Li-ion battery in order to assess the performance of the presented Li-ion battery model, PLBC mathematical model and design criteria. Experiments show that the computer simulation is close to the actual measurement. This means that the presented models of the Li-ion battery and the PLBS are correct and can capture major electrical characteristics. Experiments also show that a stable, fast and non-overcharging PLBC is successfully implemented as we wanted. This indicates that the presented PLBC design procedure is valid and can really help engineers design a fast and safe battery charging system.

Original languageEnglish
Pages (from-to)1037-1046
Number of pages10
JournalJournal of the Chinese Institute of Engineers, Transactions of the Chinese Institute of Engineers,Series A/Chung-kuo Kung Ch'eng Hsuch K'an
Volume30
Issue number6
DOIs
Publication statusPublished - 2007 Jan 1

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Charging (batteries)
Mathematical models
Transfer functions
Experiments
Engineers
Lithium-ion batteries
Computer simulation

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

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title = "Modeling, analyzing and designing a phase-locked battery charger",
abstract = "In this paper, a linear model for describing the Li-ion battery charging response is developed. Then a Phase-Locked Battery Charger (PLBC) mathematical model is built, and its s-domain transfer function is also derived. The stable, safe and fast charging conditions of the PLBC are discussed and many criteria are proposed. After that, a complete design procedure is presented for designing a fast and safe PLBC. Finally, a test example of the PLBC is designed and implemented for a 700 mAh Li-ion battery in order to assess the performance of the presented Li-ion battery model, PLBC mathematical model and design criteria. Experiments show that the computer simulation is close to the actual measurement. This means that the presented models of the Li-ion battery and the PLBS are correct and can capture major electrical characteristics. Experiments also show that a stable, fast and non-overcharging PLBC is successfully implemented as we wanted. This indicates that the presented PLBC design procedure is valid and can really help engineers design a fast and safe battery charging system.",
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