Relevant bibliographies by topics / Three-phase Wireless Power Transfer (WPT)

Academic literature on the topic 'Three-phase Wireless Power Transfer (WPT)'

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Published: 14 March 2023

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Journal articles on the topic "Three-phase Wireless Power Transfer (WPT)"

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Ye, Zhaohong, Yue Sun, Xiufang Liu, Peiyue Wang, Chunsen Tang, and Hailin Tian. "Power Transfer Efficiency Analysis for Omnidirectional Wireless Power Transfer System Using Three-Phase-Shifted Drive." Energies 11, no. 8 (August 18, 2018): 2159. http://dx.doi.org/10.3390/en11082159.

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In order to implement the omnidirectional wireless power transfer (WPT), a novel three-phase-shifted drive omnidirectional WPT system is proposed. This system is comprised of three independent phase-adjusted excitation sources, three orthogonal transmitting coils, and one planar receiving coil. Based on the mutual coupling theory, the power transfer efficiency is derived and the corresponding control mechanism for maximizing this efficiency is presented. This control mechanism only depends on the currents’ root-mean-square (RMS) values of the three transmitting coils and simple calculations after each location and/or posture change of the receiving coil, which provides the real-time possibility to design an omnidirectional WPT system comparing with the other omnidirectional systems. In aid of computer emulation technique, the efficiency characteristic versus the omnidirectional location and posture of the receiving coil is analyzed, and the analytical results verify the validity of the control mechanism. Lastly, a hardware prototype has been set up, and its omnidirectional power transmission capacity has been successfully verified. The experimental results show that the wireless power is omnidirectional and it can be effectively transmitted to a load even though its receiving coil moves and/or rotates in a 3-D energy region.
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Xia, Chenyang, Yuling Liu, Kezhang Lin, and Guangqing Xie. "Model and Frequency Control for Three-Phase Wireless Power Transfer System." Mathematical Problems in Engineering 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/3853146.

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In order to the eliminate the “dead spot” in the traditional three-phase wireless power transfer (WPT) system, a three-phase WPT system with an asymmetric magnetic circuit is presented in this paper. Additionally, mathematical model of the system is established and the system parameters are optimized. Based on the fact that the resonant frequency and efficiency are greatly varied with the load, a method based on impedance conversion is further proposed to improve the frequency stability and system efficiency. Finally, simulation and experimental results show that the proposed method is reliable and feasible to eliminate the “dead spot.”
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Cheng, Hesheng, and Huakun Zhang. "Investigation of Improved Methods in Power Transfer Efficiency for Radiating Near-Field Wireless Power Transfer." Journal of Electrical and Computer Engineering 2016 (2016): 1–11. http://dx.doi.org/10.1155/2016/2136923.

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A metamaterial-inspired efficient electrically small antenna is proposed, firstly. And then several improving power transfer efficiency (PTE) methods for wireless power transfer (WPT) systems composed of the proposed antenna in the radiating near-field region are investigated. Method one is using a proposed antenna as a power retriever. This WPT system consisted of three proposed antennas: a transmitter, a receiver, and a retriever. The system is fed by only one power source. At a fixed distance from receiver to transmitter, the distance between the transmitter and the retriever is turned to maximize power transfer from the transmitter to the receiver. Method two is using two proposed antennas as transmitters and one antenna as receiver. The receiver is placed between the two transmitters. In this system, two power sources are used to feed the two transmitters, respectively. By adjusting the phase difference between the two feeding sources, the maximum PTE can be obtained at the optimal phase difference. Using the same configuration as method two, method three, where the maximum PTE can be increased by regulating the voltage (or power) ratio of the two feeding sources, is proposed. In addition, we combine the proposed methods to construct another two schemes, which improve the PTE at different extent than classical WPT system.
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Hussin, Nur Hazwani. "Encryption Techniques and Wireless Power Transfer Schemes." Indonesian Journal of Electrical Engineering and Computer Science 9, no. 1 (January 1, 2018): 183. http://dx.doi.org/10.11591/ijeecs.v9.i1.pp183-190.

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<p>Wireless power transfer (WPT) is one of the most useful ways to transfer power. Based on power transfer distances, the WPT system can be divided into three categories, namely, near, medium, and far fields. Inductive coupling and capacitive coupling contactless techniques are used in the near-field WPT. Magnetic resonant coupling technique is used in the medium-field WPT. Electromagnetic radiation is used in the far-field WPT. This paper reviews the techniques used in WPT. In addition, energy encryption plays a major role in ensuring that power is transferred to the true receiver. Therefore, this paper reviews the energy encryption techniques in WPT. A comparison between different techniques shows that the distance, efficiency, and number of receivers are the main factors in selecting the suitable energy encryption technique.</p>
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Wu, Chia-Hsuan, Ching-Ming Lai, Tomokazu Mishima, and Zheng-Bo Liang. "Simulation-Assisted Design Process of a 22 kW Wireless Power Transfer System Using Three-Phase Coil Coupling for EVs." Sustainability 13, no. 21 (November 6, 2021): 12257. http://dx.doi.org/10.3390/su132112257.

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The objective of this paper is to study a 22 kW high-power wireless power transfer (WPT) system for battery charging in electric vehicles (EVs). The proposed WPT system consists of a three-phase half-bridge LC–LC (i.e., primary LC/secondary LC) resonant power converter and a three-phase sandwich wound coil set (transmitter, Tx; receiver, Rx). To transfer power effectively with a 250 mm air gap, the WPT system uses three-phase, sandwich-wound Tx/Rx coils to minimize the magnetic flux leakage effect and increase the power transfer efficiency (PTE). Furthermore, the relationship of the coupling coefficient between the Tx/Rx coils is complicated, as the coupling coefficient is not only dominated by the coupling strength of the primary and secondary sides but also relates to the primary or secondary three-phase magnetic coupling effects. In order to analyze the proposed three-phase WPT system, a detailed equivalent circuit model is derived for a better understanding. To give a design reference, a novel coil design method that can achieve high conversion efficiency for a high-power WPT system was developed based on a simulation-assisted design procedure. A pair of magnetically coupled Tx and Rx coils and the circuit parameters of the three-phase half-bridge LC–LC resonant converter for a 22 kW WPT system are adjusted through PSIM and CST STUDIO SUITE™ simulation to execute the derivation of the design formulas. Finally, the system achieved a PTE of 93.47% at an 85 kHz operating frequency with a 170 mm air gap between the coils. The results verify the feasibility of a simulation-assisted design in which the developed coils can comply with a high-power and high-efficiency WPT system in addition to a size reduction.
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Liu, Xin, Nan Jin, Xijun Yang, Khurram Hashmi, Dianguan Ma, and Houjun Tang. "A Novel Single-switch Phase Controlled Wireless Power Transfer System." Electronics 7, no. 11 (October 29, 2018): 281. http://dx.doi.org/10.3390/electronics7110281.

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Battery charging is a fundamental application of Wireless Power Transfer (WPT) systems that requires effective implementation of Constant Current (CC) and Constant Voltage (CV) power conduction modes. DC-DC converters used in WPT systems utilize large inductors and capacitors that increase the size and volume of the system in addition to causing higher DC losses. This work proposes a novel single-switch active rectifier for phase controlled WPT systems that is smaller in volume and weight as compared to conventional WPT topologies. The proposed method simplifies the control scheme using improved Digital Phase Control (DPC) and Analog Phase Control (APC) to realize the CC and CV power transfer modes. Furthermore, it prevents forward voltage losses in Silicon Carbide (SiC) switches and shoot through states with improved switching patterns. Simulation studies and experimental results are added to verify the effectiveness of the proposed methodology.
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Baharom, Rahimi. "Soft Switching of Three-Phase AC to DC CIHRC with Wireless Power Transfer (WPT) Function." International Journal of Power Electronics and Drive Systems (IJPEDS) 9, no. 3 (September 1, 2018): 965. http://dx.doi.org/10.11591/ijpeds.v9.i3.pp965-971.

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<span lang="EN-US">This paper presents the verification of soft switching condition for three-phase AC to DC current injection hybrid resonant converter (CIHRC) with wireless power transfer (WPT) function. Details on the operation of current injection technique with the lossless zero voltage switching (ZVS) condition on shaping the high power factor of supply current waveforms are presented. With a suitable high switching frequency operation, the proposed resonant converter is capable to operate with ZVS conditions, thus, allowing reduction in the size of inductive and magnetic components. Selected results are also presented to verify the lossless ZVS condition for three-phase AC-DC CIHRC with WPT function.</span>
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Liu, Xin, Nan Jin, Xijun Yang, Tianfeng Wang, Khurram Hashmi, and Houjun Tang. "A Novel Synchronization Technique for Wireless Power Transfer Systems." Electronics 7, no. 11 (November 13, 2018): 319. http://dx.doi.org/10.3390/electronics7110319.

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Recently, wireless power transfer (WPT) systems with active receivers have been proposed for conduction loss reduction, bidirectional power transfer and efficiency improvement. However, the synchronization of WPT systems is complex in nature with the selection of high operating frequencies. Without proper synchronization, power oscillations appear and the system can become unstable. In this paper, a detailed analysis of different WPT systems is presented and the essence of the synchronization technique is derived as being composed of two functions: independent frequency locking and reference phase calibration. The voltage across the receiver-side compensation capacitor is divided and utilized for frequency locking, whereas the reference phase calibration is realized through software code. The proposed method is effective and easy to implement, with a lower overall cost due to its simplicity. The technique can work effectively at high frequency and withstand large variations of operating frequency, load and mutual inductance. In addition, it can address the synchronization problem of multiple active receiver WPT systems with and without cross coupling among the receiving coils. Theoretical analysis and experimental results validate the proposed technique.
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Wu, Maopeng, Lijuan Su, Jianxun Chen, Xiaoli Duan, Donghua Wu, Yan Cheng, and Yu Jiang. "Development and Prospect of Wireless Power Transfer Technology Used to Power Unmanned Aerial Vehicle." Electronics 11, no. 15 (July 23, 2022): 2297. http://dx.doi.org/10.3390/electronics11152297.

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Recently, unmanned aerial vehicles (UAV) have been widely used in the military and civil fields. However, the battery power is a key factor that restricts the operation range of the UAV. Using wireless power transfer (WPT) technology to power UAVs can improve the endurance of UAVs and enhance their maneuverability and flexibility. In this paper, the WPT technology is divided into three types: near-field WPT technology, far-field WPT technology and solar-powered UAV. The developments, challenges and prospects of these three types of WPT technologies used to power UAVs are summarized. For each type of WPT technology, the basic working principles are first introduced. The development of each type of WPT technology, as well as the challenges and application prospects in UAV charging, is introduced. The related works consist of academic and industry research, ranging from prototypes to commercial systems. Finally, three types of WPT technology used in UAV charging are compared and discussed, and the advantages and disadvantages of each type of WPT technology are shown. The related research showed that using WPT technology to power the UAV is a promising way to enhance the endurance of the UAV.
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Zhu, Jiaming, Guopeng Zhang, Zongwei Zhu, and Kun Yang. "Joint Time Switching and Transmission Scheduling for Wireless-Powered Body Area Networks." Mobile Information Systems 2019 (February 11, 2019): 1–11. http://dx.doi.org/10.1155/2019/9620153.

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Outfitting humans with on-body/in-body sensor nodes, wireless body area networks (WBANs) are positioned as the key technology to enhance future telehealth service. The newly emerged wireless power transfer (WPT) and energy harvesting (EH) technology provides a potential of continuous power supply for WBANs. Since the radio frequency (RF) signals can carry energy as well as information at the same time, the time switching between the WPT phase and the wireless information transfer (WIT) phase should be carefully scheduled. By considering a telehealth application scenario (in which multiple patients coexist in a ward and each of them is monitored by multiple sensor nodes), this paper proposes to allocate the duty cycles for the WPT and WIT phases and schedule the transmission time for the WIT links in a joint manner. First, a frame structure for simultaneous information and power transfer (SWIPT) is designed over the time-and-spectrum domain. With the aim to satisfy the minimum rate demands of all the sensor nodes, the optimal duty time for the WPT phase and the optimal transmission time for the WIT links are jointly found by using the convex optimization technique. Finally, a fast algorithm is developed to search the optimal solution by introducing an admission control. The simulation results show that the proposed algorithm can effectively exploit the broadcasting property of RF energy radiation. If the network load were controlled below a certain level, the rate demands of all the sensor nodes in the network can be satisfied.
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Dissertations / Theses on the topic "Three-phase Wireless Power Transfer (WPT)"

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Kanoun, Mariem. "Contribution à l'étude et à la conception d'un système de transfert et de récupération d'énergie électromagnétique à 5.8 GHZ." Thesis, Poitiers, 2019. http://www.theses.fr/2019POIT2310.

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Le travail présenté dans ce mémoire de thèse s’inscrit dans le cadre de la réalisation d’un système de transfert et de récupération d’énergie électromagnétique (EM) pour l’approvisionnement en énergie d’un Réseaux de Capteurs Sans Fil (RCSF). Ce système repose sur le principe de la formation de faisceaux appelée « Beamforming » afin de pointer le faisceau de l’onde EM dans la direction du nœud capteur à recharger. Dans la première partie de ce travail, la conception et l’implémentation d’un déphaseur actif à la fréquence de 5,8 GHz, totalement intégré en technologie BiCMOS SiGe:C 0,25 µm, pour la formation de faisceaux ont été présentées. Ce déphaseur est basé principalement sur l’association originale d'un Oscillateur Contrôlé en Tension (OCT) verrouillé par injection et d’un modulateur IQ. Le circuit a été fabriqué et les mesures montrent un contrôle continu du déphasage de 360°. Associé à une antenne élémentaire, ce déphaseur permet de couvrir la totalité de l’angle de dépointage du diagramme de rayonnement lorsque ces circuits seront intégrés dans un réseau antennaire. Dans la deuxième partie, la conception et la réalisation d’un système de récupération d’énergie EM à la fréquence de 5,8 GHz ont été exposées. Après avoir détaillé la méthodologie de conception du circuit redresseur en technologie micro-ruban, le prototype a été fabriqué, mesuré et validé. La dernière étape a consisté en la mise en application d’un système de Transmission d’Energie Sans Fil (TESF). Le circuit « rectenna » a ainsi été associé à un module de gestion d’énergie du commerce afin d’alimenter une charge résistive modélisant le comportement d’un capteur. Le système global a été caractérisé expérimentalement au laboratoire et les mesures ont démontré des résultats prometteurs
The work presented in this thesis is a contribution to the design of a Wireless Power Transfer system (WPT) as a reliable source to supply “Wireless Sensor Network” (WSN). The beamforming concept is used to efficiently transfer the energy wirelessly by focusing the radiation pattern toward each sensor forming the WSN. In the first part of this work, the design and the implementation of a fully integrated active phase shifter, in a BiCMOS SiGe:C 0,25 µm technology, for beamforming was presented. This phase shifter is based on an original architecture using an Injection-Locked Oscillator (ILO) associated with an in-phase/quadrature (IQ) modulator.The circuit was manufactured and the measurement results show a continuously controlled 360° phase shiftrange. Applied to each element of the antenna array, this phase shifter covers the entire beam-scanning range of the radiation pattern. In the second part, the design and implementation of an RF energy harvester system at 5.8 GHz is presented. After detailing the design methodology of the rectifier circuit in microstrip technology, the prototype was manufactured, measured and validated. Finally, the "rectenna" was combined to a commercial power management circuit to supply a resistive load emulating the behaviour of a sensor. The complete WPT system was tested experimentally in the laboratory and excellent performances are demonstrated
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Book chapters on the topic "Three-phase Wireless Power Transfer (WPT)"

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Shikdar, Tareq Anwar, Shornalee Dey, Sadia Mumtahina, Md Moontasir Rashid, and Gulam Mahfuz Chowdhury. "Design and Simulation of Single Phase and Three Phase Wireless Power Transfer in Electric Vehicle Using MATLAB/Simulink." In Lecture Notes in Electrical Engineering, 83–104. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-1677-9_8.

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Sun, Qianyu, Wei Chen, and Yu Zeng. "Analysis and Optimization of Coil Loss in Mobile Phone Wireless Power Transfer System." In Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde221041.

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In the mobile phone wireless power transfer (WPT) system with magnetic core, the loss caused by the magnetic core and winding is the central part of the system loss. Among them, the core loss is mainly related to magnetic materials, working frequency, magnetic flux density and other factors in the core; The winding loss is mainly related to the current flowing through the winding and the resistance of the winding. In this paper, it analyses the influence of the working frequency, the number of turns, the number of strands of Litz wire and different turn-width of the winding on the loss of the system. Finally, according to the analysis results, the coils within the allowable range of working frequency and current of transmitting and receiving coils are made to verify the feasibility of the optimization scheme. The simulation and experimental results show that the coil loss of the optimized scheme will be reduced under the condition that the current and phase flowing into the coils are equal.
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Conference papers on the topic "Three-phase Wireless Power Transfer (WPT)"

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Cheng, Yuhua, Guoxiong Chen, Gaorong Qian, Mohammad S. E. Sendi, Maysam Ghovanloo, and Gaofeng Wang. "Optimizing three-phase three-layer coil array for omnidirectional wireless power transfer." In 2017 IEEE Wireless Power Transfer Conference (WPTC). IEEE, 2017. http://dx.doi.org/10.1109/wpt.2017.7953887.

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Bojarski, Mariusz, Erdem Asa, and Dariusz Czarkowski. "Three-phase resonant inverter for wireless power transfer." In 2015 IEEE Wireless Power Transfer Conference (WPTC). IEEE, 2015. http://dx.doi.org/10.1109/wpt.2015.7140144.

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Seitz, Philipp, Nejila Parspour, and Marco Zimmer. "A scaled model for investigations of three-phase contactless energy transfer systems." In 2017 IEEE Wireless Power Transfer Conference (WPTC). IEEE, 2017. http://dx.doi.org/10.1109/wpt.2017.7953889.

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Kim, Minho, Seungyoung Ahn, and Hongseok Kim. "Magnetic design of a three-phase wireless power transfer system for EMF reduction." In 2014 IEEE Wireless Power Transfer Conference (WPTC). IEEE, 2014. http://dx.doi.org/10.1109/wpt.2014.6839617.

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Song, Chiuk, Hongseok Kim, Sunkyu Kong, Yeonje Cho, Kibum Yoon, Seongsoo Lee, In-Myoung Kim, Young-il Kim, and Joungho Kim. "Low EMF three phase resonant magnetic field charger for drone with high Q reactive loop shielding." In 2016 IEEE Wireless Power Transfer Conference (WPTC). IEEE, 2016. http://dx.doi.org/10.1109/wpt.2016.7498807.

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Chiuk Song, Hongseok Kim, Daniel H. Jung, Kibum Yoon, Yeonje Cho, Sunkyu Kong, Younghwan Kwack, and Joungho Kim. "Three-phase magnetic field design for low EMI and EMF automated resonant wireless power transfer charger for UAV." In 2015 IEEE Wireless Power Transfer Conference (WPTC). IEEE, 2015. http://dx.doi.org/10.1109/wpt.2015.7140179.

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Almulla, Osama, Duleepa Thrimawithana, Grant Covic, and Martin Neuburger. "Three-Phase Asymmetric Phase Modulation for Inductive Power Transfer Systems." In 2022 Wireless Power Week (WPW). IEEE, 2022. http://dx.doi.org/10.1109/wpw54272.2022.9854005.

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Alshehri, Abdulelah A., Saleh M. Alsaif, Abdulrahman Alshehry, Hamed Alsuraisry, Hatim M. Behairy, and Ruey-Beei Wu. "Three-way cascade power divider and combiner for satellite communications." In 2017 IEEE Wireless Power Transfer Conference (WPTC). IEEE, 2017. http://dx.doi.org/10.1109/wpt.2017.7953881.

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Song, Jinwook, Seungtaek Jeong, Shinyoung Park, Jonghoon Kim, Seokwoo Hong, and Joungho Kim. "Chip-level wireless power transfer scheme design for next generation wireless interconnected three-dimensional integrated circuits." In 2017 IEEE Wireless Power Transfer Conference (WPTC). IEEE, 2017. http://dx.doi.org/10.1109/wpt.2017.7953875.

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Iguchi, Shunta, Pyungwoo Yeon, Hiroshi Fuketa, Koichi Ishida, Takayasu Sakurai, and Makato Takamiya. "Zero phase difference capacitance control (ZPDCC) for magnetically resonant wireless power transmission." In 2013 IEEE Wireless Power Transfer Conference (WPTC). IEEE, 2013. http://dx.doi.org/10.1109/wpt.2013.6556873.

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