Analysis and comparison based on component stress factor of dual active bridge and isolated full bridge boost converters for bidirectional fuel cells systems

Pittini, Riccardo; Mira, Maria C.; Zhang, Zhe; Knott, Arnold; Andersen, Michael A. E.

doi:10.1109/peac.2014.7038001

Cited by 19 publications

(9 citation statements)

References 10 publications

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“…When we compare the characteristics of the different topologies of inverters suitable for implementing on-board bidirectional chargers for electric vehicles, the best option seems to be the topology, as shown in Figure 1 [ 33 , 39 ].…”

Section: Verification Of Selected Topology Of Bidirectional Chargermentioning

confidence: 99%

Innovative Bidirectional Isolated High-Power Density On-Board Charge for Vehicle-to-Grid

Hrbáč

Hrdina

Kolář

et al. 2022

Sensors

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This paper deals with developing and implementing a bidirectional galvanically isolated on-board charger of a high-power density. The power density of the new charger was 4 kW/kg and 2.46 kW/dm3, and the maximum efficiency was 96.4% at 3.4 kW. Due to the requirement to achieve a high-power density, a single-stage inverter topology was used. Regarding switching losses, due to the topology of the circuit with so-called hard switching, the switching frequency was set to 150 kHz. A laboratory prototype was built to verify the properties and operating principles of the described charger topology. The on-board charger has been tested in a microgrid test platform. Due to the parasitic properties of the transformer and other electronic components, overvoltage with subsequent oscillations occurred on the primary side of the transformer and damped resonance on its secondary side. These parasitic properties caused interference and especially voltage stress on the semiconductor elements. These undesirable phenomena have been eliminated by adding an active element to the charger topology and a new transistor control strategy. This new switching control strategy of transistors has been patented.

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Section: Verification Of Selected Topology Of Bidirectional Chargermentioning

confidence: 99%

Innovative Bidirectional Isolated High-Power Density On-Board Charge for Vehicle-to-Grid

Hrbáč

Hrdina

Kolář

et al. 2022

Sensors

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“…When it comes to comparing the behavior of different power converters, there is another important parameter called the CSF [53]. This method quantifies the stress suffered by the components inside the converter and it is useful for measuring the behavior of the converter ( 13 ).…”

Section: ) Semiconductors' Csfmentioning

confidence: 99%

Review of Architectures Based on Partial Power Processing for DC-DC Applications

et al. 2020

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This paper presents a review of advanced architectures based on the partial power processing concept, whose main objective is to achieve a reduction of the power processed by the converter. If the power processed by the converter is decreased, the power losses generated by the power converter are reduced, obtaining lower sized converters and higher system efficiencies. Through the review 3 different partial power processing strategies are distinguished: Differential Power Converters, Partial Power Converters and Mixed strategies. Each strategy is subdivided into smaller groups that entail different architectures with their own advantages and disadvantages. Also, due to the lack of agreement that exists in the sources around the naming of the different architectures, this paper seeks to stablish a nomenclature that avoids confusion when indexing this type of architectures. Regarding Partial Power Converters an extensive application oriented description is also developed. Finally, the main conclusions obtained through the review are presented.

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“…When it comes to comparing the behavior of different power converters, there is another important parameter called the component stress factor (CSF) [18]. This method quantifies the stress suffered by the components inside the converter and it is useful for measuring the behavior of the converter.…”

Section: ) Semiconductors' Component Stress Factormentioning

confidence: 99%

Partial Power Processing Based Charging Unit for Electric Vehicle Extreme Fast Charging Stations

Anzola

Aizpuru

Arruti

et al. 2020

2020 IEEE Vehicle Power and Propulsion Conference (VPPC)

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This paper presents an analysis and design of a charging unit inside an electric vehicle extreme fast charging station. Due to the benefits that partial power processing achieves in terms of size reduction and efficiency improvement, it is decided to implement a partial power converter architecture. This type of architectures reduce the power to process by the converter but, they require an isolated topology. Therefore, a dual active bridge is selected for the study. Then, design wise, four different turns ratio values are selected and their performance results are compared in terms of processed power by the converter, semiconductors stress factor and energy loss. Finally, it is concluded that the turns ratio value is a key factor that must be correctly selected for optimizing the concerned comparison parameters.

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Analysis and comparison based on component stress factor of dual active bridge and isolated full bridge boost converters for bidirectional fuel cells systems

Abstract: Abstract-This

Cited by 19 publications

References 10 publications

Innovative Bidirectional Isolated High-Power Density On-Board Charge for Vehicle-to-Grid

Innovative Bidirectional Isolated High-Power Density On-Board Charge for Vehicle-to-Grid

Review of Architectures Based on Partial Power Processing for DC-DC Applications

Partial Power Processing Based Charging Unit for Electric Vehicle Extreme Fast Charging Stations

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