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Mattia Simonazzi, Ugo Reggiani and Leonardo Sandrolini
The possibility of increasing the transmission efficiency in mid-range wireless power transfer (WPT) applications can be achieved by inserting resonant relay coils between the transmitting and receiving sides of the device, forming an array of magnetical...
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Jacek Maciej Stankiewicz
In this paper was analysed a wireless power transfer system (WPT) with multiple resonators supplying, for example, sensors or LED lighting. Energy is transferred simultaneously using a group of identical planar spiral circular coils acting as transmitter...
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Kyle John Williams, Kade Wiseman, Sara Deilami, Graham Town and Foad Taghizadeh
Light rail vehicles (LRVs) are increasingly in demand to sustainably meet the transport needs of growing populations in urban centres. LRVs have commonly been powered from the grid by direct-contact overhead catenary systems (OCS); however, catenary-free...
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Jannis Noeren, Nejila Parspour and Lukas Elbracht
This article deals with a LCC-LCC compensated dynamic wireless power transfer system for electric vehicle charging applications. The presented prototype system allows for a power transfer of about 10 kW at 20 cm coil copper to copper distance. With just ...
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Vincenzo Cirimele, Riccardo Torchio, Antonio Virgillito, Fabio Freschi and Piergiorgio Alotto
In this paper, starting from the experimental experience of the road embedment of a transmitting coil for wireless power transfer, a numerical model of such device is constructed. The model is then used to perform several parametric analyses which aim at...
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Wenbin Wang, Huayun Wang, Qiong Li, Jun Xu, Tianqi Meng, Bowen Zhang and Zhen Zhang
This paper proposes a detailed analysis of the incomplete coupling effect in omnidirectional wireless power transfer systems and a compensation method aiming to improve the transmission performance. Recently, omnidirectional wireless charging technologie...
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Seung-Hwan Lee, Jae-Hee Kim and Jun-Ho Lee
Conventional contact-based train power transfer systems have high maintenance costs and safety issues and cause noise and additional aerodynamic drag. Instead of the conventional system, a loosely coupled online wireless power transfer (WPT) system for a...
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Xu Yang, Junfeng Yang, Jing Fan, Bao Wang and Dingzhen Li
Most of the practical inductive power transfer (IPT) systems are the ones with variable coupling coefficients and loads. The output voltage, current and power are affected by the variation in coupling coefficient and load. In this paper, a novel approach...
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Mario Ponce-Silva, Alan R. García-García, Jaime Arau, Josué Lara-Reyes and Claudia Cortés-García
The main contribution of this paper is the inductive compensation of a wireless inductive power transmission circuit (IPT) with resonant open-loop inductive coupling. The variations in the coupling coefficient k due to the misalignment of the transmitter...
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Zhengchao Yan, Chenxu Zhao, Qianyu Hu, Min Wu, Lin Qiao, Kehan Zhang and Yuli Hu
Inductive power transfer (IPT) technology is widely used in autonomous underwater vehicles (AUVs) to achieve safety and flexibility. However, the eddy current loss (ECL) will be generated in the seawater due to the high-frequency alternating current in t...
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Wassim Kabbara, Mohamed Bensetti, Tanguy Phulpin, Antoine Caillierez, Serge Loudot and Daniel Sadarnac
Electrical Vehicles (EVs) have gained popularity in recent years in the automotive field. They are seen as a way to reduce the CO2 footprint of vehicles. Although EVs have witnessed significant advancement in recent years, they still have two major setba...
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Ying Liu, Jiantao Zhang, Chunbo Zhu and Ching Chuen Chan
This paper presents a detailed analysis of the safety of human bodies in the electromagnetic field generated by inductive power transfer (IPT) systems designed for kitchen appliances. Comparisons of basic and reference limit values of various safety stan...
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Jing Zhou, Pengzhi Yao, Rui He, Kan Guo, Yao Zhang and Hao Ma
The application of wireless power transfer technology in the underwater environment proposes both opportunities and challenges to undersea power feeding. Due to the attenuation of electromagnetic waves in seawater, the distance between transmitter and re...
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Krithikaa Mohanarangam, Yellappa Palagani, Kunhee Cho and Jun-Rim Choi
Inductive power links are most viable for the long-term powering of cardiac pacemakers. Designing an inductive power link without surpassing the specific absorption rate (SAR) for modern leadless cardiac pacemakers (LCPs) remains a challenging task becau...
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Adel Razek
Nowadays the groundbreaking tools of contactless energy transfer reveals new opportunities to supply portable devices with electrical energy by eliminating cables and connectors. One of the important applications of such technology is the energy providin...
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Bo Cheng, Jianghua Lu, Yiming Zhang, Guang Pan, Rakan Chabaan and Chunting Chris Mi
Non-radiative inductive power transfer is one of the most studied and commercially applied wireless charging technologies, where the magnetic field is employed as the medium for power transfer. In the wireless charging of electric vehicles, the strong ma...
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Hwa-Rang Cha, Rae-Young Kim, Kyung-Ho Park and Yeong-Jun Choi
This paper proposes the modeling and design of a controller for an inductive power transfer (IPT) system with a semi-bridgeless active rectifier (S-BAR). This system consists of a double-sided Inductor-Capacitor-Capacitor (LCC) compensation network and a...
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Wei Han, Kwok Tong Chau, Hoi Chun Wong, Chaoqiang Jiang and Wong Hing Lam
This paper proposes and implements an all-in-one induction heating system, which can accommodate both pan-shaped and wok-shaped utensils. Traditionally, the pan is heated by a planar induction cooktop while the wok is heated by a curved induction cooktop...
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Mohamed Saad and Eduard Alarcón
Magnetic-resonant wireless power transfer (WPT) has become a reliable contactless source of power for a wide range of applications. WPT spans different power levels ranging from low-power implantable devices up to high-power electric vehicles (EV) batter...
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Yuan Liu and Aiguo Patrick Hu
This paper analyzes the power distribution and flow of an inductive power transfer (IPT) system with two coupled coils by using the Poynting vector. The system is modelled with a current source flowing through the primary coil, and a uniformly loaded sec...
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