Proceedings ArticleDOI
Double-tiered switched capacitor battery charge equalizer with chain structure
Ryohei Fukui,Hirotaka Koizumi +1 more
- pp 6715-6720
TLDR
The proposed circuit has many paths of charge exchange, which reduces the equalization time and constantly keeps the performance above a certain level regardless of the position of the problematic cell.Abstract:
The switched capacitor equalizer is one of the simplest voltage equalizing methods. However this equalizer has disadvantages which are prolonged equalization time and large difference of equalization time caused by the position of problematic energy storage cell. This paper proposes novel switched capacitor equalizer which has the advantages of the switched capacitor with chain structure and the double-tiered switched capacitor. The proposed circuit has many paths of charge exchange, which reduces the equalization time and constantly keeps the performance above a certain level regardless of the position of the problematic cell. The performance of the proposed circuit was confirmed with simulation and circuit experiments.read more
Citations
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Journal ArticleDOI
Advancement of lithium-ion battery cells voltage equalization techniques: A review
Utpal Kumar Das,Prashant Shrivastava,Kok Soon Tey,Mohd Yamani Idna Idris,Saad Mekhilef,Elmira Jamei,Mehdi Seyedmahmoudian,Alex Stojcevski +7 more
TL;DR: This study makes a comprehensive and systematic review of these cell equalization techniques, particularly on construction, operation, and control strategy of equalization circuits of battery cell voltage equalizers.
Journal ArticleDOI
Cell equalisation circuits: A review
TL;DR: The difficulties in directly comparing performance of different CECs (charge equalisation circuit) and the ambiguity of the industrial requirements of a CEC are discussed and possible areas of research to further improve the charge equalisation process are presented.
Journal ArticleDOI
A review: Energy storage system and balancing circuits for electric vehicle application
A K M Ahasan Habib,Mohammad Kamrul Hasan,Mahmud,S. M. A. Motakabber,Muhammad I. Ibrahimya,Shayla Islam +5 more
TL;DR: The comparative study has shown the different key factors of market available electric vehicles, different types of energy storage systems, and voltage balancing circuits that will help the researcher improve the high- efficient energy storage system and balancing circuit that is highly applicable to the electric vehicle.
Journal ArticleDOI
Modular Active Charge Balancing for Scalable Battery Packs
Swaminathan Narayanaswamy,Matthias Kauer,Sebastian Steinhorst,Martin Lukasiewycz,Samarjit Chakraborty +4 more
TL;DR: A closed-form analytical model of the balancing architecture is proposed, which can be used to perform fast system-level simulation studies and design space exploration for analyzing efficient device combinations and provides a 14.5 % improvement in charge transfer efficiency compared with existing approaches.
Journal ArticleDOI
Isolated Bidirectional DC–DC Converter With Quasi-Resonant Zero-Voltage Switching for Battery Charge Equalization
Junlong Lu,Yi Wang,Xin Li +2 more
TL;DR: An isolated bidirectional dc–dc converter with quasi-resonant zero-voltage switching (ZVS) is proposed for centralized charge equalization system and can achieve ZVS operations in both boost and buck modes, which decreases switching losses and improves the efficiency.
References
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Proceedings ArticleDOI
Switched capacitor system for automatic series battery equalization
C. Pascual,P.T. Krein +1 more
TL;DR: A clocked switched-capacitor circuit can exchange charge between adjacent batteries in a series string, without regard to component values, battery technology, or state of charge as mentioned in this paper.
Journal ArticleDOI
Design considerations for charge equalization of an electric vehicle battery system
TL;DR: In this article, the authors proposed a new charge equalization technique for a series string of battery cells, which utilizes a simple isolated DC-to-DC power converter with a capacitive output filter along with a multiwinding transformer.
Proceedings ArticleDOI
Analysis and evaluation of charge balancing circuits on performance, reliability and lifetime of supercapacitor systems
TL;DR: In this paper, different equalization concepts are analyzed and evaluated, and a simulation approach for the design of supercapacitor systems is proposed, where results from an automotive application are presented.
Proceedings ArticleDOI
Design considerations for charge equalization of an electric vehicle battery system
TL;DR: In this article, the authors proposed a new charge equalization technique for a series string of battery cells, which utilizes a simple isolated DC-to-DC power converter with a capacitive output filter along with a multi-winding transformer.
Proceedings ArticleDOI
Comparison and Evaluation of Charge Equalization Technique for Series Connected Batteries
TL;DR: In this article, all the circuits are divided into four groups according to the structure, and each of them is qualitative analyzed and marked with 5-degree marking system, and based on experimental results a novel evaluation method with two parameters is proposed, which is very convenient for estimating the equalization effects in static and dynamic equalization.