A Review on Research Challenges, Limitations and Practical Solutions for Underwater Wireless Power Transfer

Mohsan, Syed Agha Hassnain; Islam, Ashraful; Ali, Mushtaq; Mahmood, Arfan; Laraba, Selsabil Rokia; Mazinani, Alireza; Hussain, Amjad

doi:10.14569/ijacsa.2020.0110869

Cited by 11 publications

(7 citation statements)

References 41 publications

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“…Regarding temperature, seawater acts as a cooling medium and can increase the thermal limits of coils [176]. However, as temperature dissipates in the coils, a thermal gradient with the environment near the coils can increase marine microbial growth in the coils, causing a phenomena called biofouling.…”

Section: Temperature and Biofoulingmentioning

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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Section: Temperature and Biofoulingmentioning

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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“…The transmission efficiency of a WPT system typically decreases sharply with the increase in distance, and this worsens in underwater environments [42]. There is minimal difference between the permeability of seawater medium and that of air environment.…”

Section: Effect Of Seawater Medium On Wptmentioning

confidence: 99%

Review of low‐loss wireless power transfer methods for autonomous underwater vehicles

Zhang

Xu²,

Lu³

et al. 2022

IET Power Electronics

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Comprehensive research on the wireless power transfer technology of autonomous underwater vehicles is necessary to address the issue of significant energy loss in such vehicles during wireless power transfer. Previous analysis on factors that affect wireless power transfer in seawater environment demonstrated that the eddy current loss generated during transmission and offset of the coupling mechanism are the main factors that degrade the efficiency. In this study, existing literature on wireless power transfer for autonomous underwater vehicles in recent years is reviewed, and it is concluded that the energy loss during underwater wireless power transfer can be effectively reduced through coupling mechanism optimization, adaptive control, and docking device design. This study analyses the challenges of low-loss wireless power transfer for autonomous underwater vehicles and the prospects for future development trends and research areas, providing a reference for realizing efficient and flexible energy supply for autonomous underwater vehicles.

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“…Researchers encounter the same common challenges regarding microwave power transmission, like antenna design, scattering, interference, budget, safety issues, and environmental risks. For microwaves to be efficient, all the RF energy transmitted by the RF source must be incident on the wave collection antenna [12]. When RF energy travels across space, it must diffract because it must pass through an aperture, which, at a shorter wavelength, gives a more focused beam.…”

Section: Introductionmentioning

confidence: 99%

Energizing Emergency Exit Signs with Wireless Energy Transfer

Chaari¹,

Pereira²,

Abdelfatah³

et al. 2023

Energies

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Emergency exit lights in public buildings are necessary for safety and evacuation. International safety standards require such lighting in many public places, like airports, schools, malls, hospitals, and other spaces, to prevent human casualties in emergencies. Emergency exit lights have become an essential part of casualty reduction projects. They can pose several application problems, including fire safety concerns. The issue of providing a safe way and operating emergency exit lights along one side of a long path arises during an emergency. Many studies in this field consider the case in which emergency exit lights’ battery or main power fails. Power failures in dangerous situations such as fires or terrorist attacks make it difficult for people to escape. The lighting in open areas and stairwells during an emergency should be at least 2 lux. This work proposes an innovative technique for wirelessly powering emergency lights using microwave energy. Specifically, the study designed and fabricated a new wirelessly powered emergency lighting prototype. This prototype’s wireless power transfer (WPT) base comprises an RF/DC converter circuit and an RF microwave transmitter station. The device can harvest RF microwave energy to energize the emergency light. This research aimed to develop a compact device that captures maximum RF strength to power emergency lights. As a prototype, the proposed device was designed to provide sufficient microwave energy to power an emergency light at 3 W over a 62 m distance.

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A Review on Research Challenges, Limitations and Practical Solutions for Underwater Wireless Power Transfer

Cited by 11 publications

References 41 publications

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

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

Review of low‐loss wireless power transfer methods for autonomous underwater vehicles

Energizing Emergency Exit Signs with Wireless Energy Transfer

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