A Fast Dynamic Response Regulation Method for Undersea Wireless Power Transfer System

Yang, Lei; Zhang, Ben; Ju, Minna

doi:10.1109/iciea.2019.8834070

Cited by 9 publications

(5 citation statements)

References 17 publications

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“…However, a series of problems still have impeded the rapid development of EVs, such as the short cruising range and long charging time [7][8][9]. As an emerging technology, wireless power transfer (WPT) technology has received more and more attention [10][11][12], which contributes to solving the time-consuming charging and short cruising range, so it can charge the battery while running. In addition, compared with traditional charging methods for EVs, WPT technology is not affected by the foreign environment easily, and is safe and flexible.…”

Section: Introductionmentioning

confidence: 99%

Design and Analysis of Magnetic Coils for Optimizing the Coupling Coefficient in an Electric Vehicle Wireless Power Transfer System

Yang

Cui

2020

Energies

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Although the wireless power transfer (WPT) system for electric vehicles (EVs) provides numerous advantages, there is still a low coupling coefficient and the misalignment between the primary coil and the secondary coil needs to be solved. In this paper, the transmission efficiency and transmitted power were calculated based on Series-Series (SS) compensation topology. The coupling coefficient is related to the coil parameters and misalignments. A simulation study was carried out to explore the variation in the coupling coefficient for different coil configurations under different air gaps and coil misalignments. Moreover, the influence of the internal parameters of the square coil on the coupling coefficient was further studied. Finally, this paper discusses the influence of ferrite cores with a square coil on the coupling coefficient. The results of this paper show that designing the optimal internal parameters of the square coil and the ferrite core can increase the coupling coefficient between the coils, which can also provide guidelines for the design and optimization of the magnetic coupling coils for a wireless charging system for electric vehicles.

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Section: Introductionmentioning

confidence: 99%

Design and Analysis of Magnetic Coils for Optimizing the Coupling Coefficient in an Electric Vehicle Wireless Power Transfer System

Yang

Cui

2020

Energies

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“…Variation of the mutual inductance over time. [31] The modelling of dynamic wireless charging has been achieved, gaining the benefit of a dynamic system response over previous static models [32,33]. The system response shows similar characteristics to test results for dynamic inductive charging [34], further supporting the accuracy of the model.…”

Section: E Discussionmentioning

confidence: 57%

Modelling of inductive wireless charging for electric vehicles

Jakubiak¹,

Liang²,

Cipcigan³

2022

2022 IEEE 16th International Conference on Compatibility, Power Electronics, and Power Engineering (CPE-POWERENG)

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In response to government's global warming targets, electric vehicles (EV) penetration is increasing rapidly. To support the uptake of EVs and facilitate their charging demands, the charging technology and infrastructure also need to be developed. In this paper, the modelling of a wireless power transfer (WPT) system is developed considering a static scenario and then adapting the model for a dynamic charging scenario. This research work is aiming to replace previously used transformer approximation of WPT, before adapting the model for dynamic charging. Using the proposed implementation, it is possible to easily vary system parameters, design and control, providing a solid foundation for future research. The resulting model uses a pair of inductive coils and allows full control over coil misalignment (in three dimensions), further facilitating the use of variable misalignment for dynamic application.

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“…A number of innovative control approaches have been presented in the literature. Maximum efficiency tracking (MET) control methods are some of the most popular options [29,174,227,239,240], while other papers have proposed different solutions [241][242][243]. MET control methods focus on finding the variation in the coupling coefficient due to misalignment and adjust the frequency or voltage of one of the sides to maintain an optimal underwater IWPT efficiency.…”

Section: Dual Data and Power Transfer And Innovative Control Systemsmentioning

confidence: 99%

Wireless Power Transfer for Unmanned Underwater Vehicles: Technologies, Challenges and Applications

Martínez de Alegría,

Rozas Holgado,

Ibarra

et al. 2024

Energies

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Unmanned underwater vehicles (UUVs) are key technologies to conduct preventive inspection and maintenance tasks in offshore renewable energy plants. Making such vehicles autonomous would lead to benefits such as improved availability, cost reduction and carbon emission minimization. However, some technological aspects, including the powering of these devices, remain with a long way to go. In this context, underwater wireless power transfer (UWPT) solutions have potential to overcome UUV powering drawbacks. Considering the relevance of this topic for offshore renewable plants, this work aims to provide a comprehensive summary of the state of the art regarding UPWT technologies. A technology intelligence study is conducted by means of a bibliographical survey. Regarding underwater wireless power transfer, the main methods are reviewed, and it is concluded that inductive wireless power transfer (IWPT) technologies have the most potential. These inductive systems are described, and their challenges in underwater environments are presented. A review of the underwater IWPT experiments and applications is conducted, and innovative solutions are listed. Achieving efficient and reliable UWPT technologies is not trivial, but significant progress is identified. Generally, the latest solutions exhibit efficiencies between 88% and 93% in laboratory settings, with power ratings reaching up to 1–3 kW. Based on the assessment, a power transfer within the range of 1 kW appears to be feasible and may be sufficient to operate small UUVs. However, work-class UUVs require at least a tenfold power increase. Thus, although UPWT has advanced significantly, further research is required to industrially establish these technologies.

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A Fast Dynamic Response Regulation Method for Undersea Wireless Power Transfer System

Cited by 9 publications

References 17 publications

Design and Analysis of Magnetic Coils for Optimizing the Coupling Coefficient in an Electric Vehicle Wireless Power Transfer System

Design and Analysis of Magnetic Coils for Optimizing the Coupling Coefficient in an Electric Vehicle Wireless Power Transfer System

Modelling of inductive wireless charging for electric vehicles

Wireless Power Transfer for Unmanned Underwater Vehicles: Technologies, Challenges and Applications

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