Analysis of Buck-Boost Converters for Fuel Cell Electric Vehicles

Qiao, Haibo; Zhang, Yicheng; Yao, Yongtao; Li, Wei

doi:10.1109/icves.2006.371564

Cited by 48 publications

(29 citation statements)

References 7 publications

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“…To maximize utilization of available solar power drawn from the solar panel, this study incorporates a buck-boost converter into the solar powered battery management system for battery charging. Many studies have investigated the analysis and design of buck-boost power converters [4][5][6][7]. In [5,6] the authors developed buck-boost converters for portable applications.…”

Section: Introductionmentioning

confidence: 99%

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Li-Ion Battery Charging with a Buck-Boost Power Converter for a Solar Powered Battery Management System

Shiau

2013

Energies

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This paper analyzes and simulates the Li-ion battery charging process for a solar powered battery management system. The battery is charged using a non-inverting synchronous buck-boost DC/DC power converter. The system operates in buck, buck-boost, or boost mode, according to the supply voltage conditions from the solar panels. Rapid changes in atmospheric conditions or sunlight incident angle cause supply voltage variations. This study develops an electrochemical-based equivalent circuit model for a Li-ion battery. A dynamic model for the battery charging process is then constructed based on the Li-ion battery electrochemical model and the buck-boost power converter dynamic model. The battery charging process forms a system with multiple interconnections. Characteristics, including battery charging system stability margins for each individual operating mode, are analyzed and discussed. Because of supply voltage variation, the system can switch between buck, buck-boost, and boost modes. The system is modeled as a Markov jump system to evaluate the mean square stability of the system. The MATLAB based Simulink piecewise linear electric circuit simulation tool is used to verify the battery charging model.

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Section: Introductionmentioning

confidence: 99%

“…In [5,6] the authors developed buck-boost converters for portable applications. In [7] a buck-boost cascaded converter for high power applications, such as fuel cell electric vehicles, was proposed.…”

Section: Introductionmentioning

confidence: 99%

Li-Ion Battery Charging with a Buck-Boost Power Converter for a Solar Powered Battery Management System

Shiau

2013

Energies

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“…Several topologies are capable of both step-up and stepdown the fuel cell voltage [5,6]. Due to its simplicity, low component stress, and high efficiency it is chosen to use the non-inverting buck-boost converter [2, 6, 7, and 8].…”

Section: Introductionmentioning

confidence: 99%

Non-inverting buck-boost converter for fuel cell applications

Schaltz

Rasmussen

Khaligh

2008

2008 34th Annual Conference of IEEE Industrial Electronics

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Fuel cell DC/DC converters often have to be able to both step-up and step-down the input voltage, and provide a high efficiency in the whole range of output power. Conventional negative output buck-boost and non-inverting buck-boost converters provide both step-up and step-down characteristics. In this paper the non-inverting buck-boost with either diodes or synchronous rectifiers is investigated for fuel cell applications. Most of previous research does not consider the parasitic in the evaluation of the converters. In this study, detailed analytical expressions of the efficiencies for the system composed of fuel cell system and interfacing converter, considering the parasitics, are presented. It is concluded that the implementation with synchronous rectifiers provides the highest efficiency in the whole range of the fuel cell power, and its efficiency characteristic is more suitable for fuel cell applications than the implementation with diodes.

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“…To maximize the use of available solar power drawn from the solar panel and to widen the applications of solar energy, several studies have investigated the design and applications of buck-boost converters [3][4][5][6][7]. Few studies have developed buck-boost converters for portable applications [4,5], whereas the study in [6] proposed a buck-boost-cascaded converter for high-power applications such as fuel-cell electric vehicles.…”

Section: Introductionmentioning

confidence: 99%

“…Few studies have developed buck-boost converters for portable applications [4,5], whereas the study in [6] proposed a buck-boost-cascaded converter for high-power applications such as fuel-cell electric vehicles. Furthermore, an extensive analysis and design of Li-ion battery charging with the use of a four-switch type synchronous buck-boost power converter was presented in [7].…”

Section: Introductionmentioning

confidence: 99%

Circuit Simulation for Solar Power Maximum Power Point Tracking with Different Buck-Boost Converter Topologies

et al. 2014

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Abstract:The power converter is one of the essential elements for effective use of renewable power sources. This paper focuses on the development of a circuit simulation model for maximum power point tracking (MPPT) evaluation of solar power that involves using different buck-boost power converter topologies; including SEPIC, Zeta, and four-switch type buck-boost DC/DC converters. The circuit simulation model mainly includes three subsystems: a PV model; a buck-boost converter-based MPPT system; and a fuzzy logic MPPT controller. Dynamic analyses of the current-fed buck-boost converter systems are conducted and results are presented in the paper. The maximum power point tracking function is achieved through appropriate control of the power switches of the power converter. A fuzzy logic controller is developed to perform the MPPT function for obtaining maximum power from the PV panel. The MATLAB-based Simulink piecewise linear electric circuit simulation tool is used to verify the complete circuit simulation model.

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Analysis of Buck-Boost Converters for Fuel Cell Electric Vehicles

Cited by 48 publications

References 7 publications

Li-Ion Battery Charging with a Buck-Boost Power Converter for a Solar Powered Battery Management System

Li-Ion Battery Charging with a Buck-Boost Power Converter for a Solar Powered Battery Management System

Non-inverting buck-boost converter for fuel cell applications

Circuit Simulation for Solar Power Maximum Power Point Tracking with Different Buck-Boost Converter Topologies

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