Artykuły w czasopismach: „WIRELESS POWER SYSTEM”

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خديجة الشاعري, محمد منصور الفارسي, سليم مصطفى سليم i عبد الحفيظ اللبار. "Design of Wireless Power Transfer SystemDesign of Wireless Power Transfer System". Journal of Pure & Applied Sciences 21, nr 4 (3.10.2022): 329–33. http://dx.doi.org/10.51984/jopas.v21i4.2482.

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In the recent years of the twenty first century, the world has witnessed a noticed evolvement in wireless techniques, such that wireless phones, wireless electronic devices, wireless communication and wireless power transfer. Wireless power transfer is a modern technique used to transfer an electric energy from a source to a destination that is consumed to the load. Wireless power transfer is an important for many applications like, wirelessly powered home appliances that received the power from a transmitting device wirelessly. For example lighting of bulbs, operating of electric equipment and wireless charging for electric tooth brush and charging mobiles. In the developed countries there is wireless charging of electric vehicles is based on magnetic resonance field as in Japan. Based on this concept , the idea of this paper has been chosen. This paper aims to design a wireless power transfer system. This design has accomplished three tasks: one is to build a Tesla Tower design circuit and measuring the possible efficiency can be obtained. It's got satisfied results to about 70%. The second task is to build a magnetic coupled circuit that is based on the idea of wireless mobile charging technique. During our work, it's studied the power efficiency and its related to the distance between transmitter and receiver, the diameter of the coils and number of turns. To enhance our results, it's suggested to connect and design of these circuits by simulation using Multisim software and get the desired goal.

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Mishra, Rakesh Kumar. "Space based Solar Power: Feasibility Microwave based wireless power system". Journal of Marine Science and Research 2, nr 1 (27.02.2023): 01–05. http://dx.doi.org/10.58489/2836-5933/005.

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Electricity is Part of Life. Electricity is extremely essential to all need it is flexible form of energy, and has been adapt to huge, and growing number of uses. The concentration on the use of fossil fuel for energy supply is the main threat for stability of the global Climate system. To converse our Globe, the Scientific Community gave evidence that mankind has decreases the green House gas emission.

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Manohar, B. S. P. S., Veera Venkata Sai Kumar Gandham i P. K. Dhal. "An Overview of Wireless Power Transmission System and Analysis of Different Methods". International Journal for Research in Applied Science and Engineering Technology 10, nr 3 (31.03.2022): 1818–27. http://dx.doi.org/10.22214/ijraset.2022.40987.

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Abstract: The overall concept of wireless power transmission and its strategy for finding an efficient means to distribute power without stringing wires that could wirelessly transport electricity are demonstrated in this paper. This study examines the latest trends and technological advancements in the field of wireless power transfer. Wireless power transfer has become commonplace in future societies with advanced technology. Keywords: latest trends, technological advancements, wireless power transmission, stringing wires, ubiquitous

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Sutar, Mr Anurag A. "Wireless Power Transmission System". International Journal for Research in Applied Science and Engineering Technology 9, nr 4 (30.04.2021): 1370–74. http://dx.doi.org/10.22214/ijraset.2021.33941.

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Arai, Hiroyuki. "Wireless Power Transfer System". Journal of electromagnetic engineering and science 11, nr 3 (30.09.2011): 143–51. http://dx.doi.org/10.5515/jkiees.2011.11.3.143.

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Leach, Mark, Zhao Wang, Chenyue Wang, Ka Lok Man, Jong Hyuk Park i Eng Gee Lim. "Wireless Power Supply System". Advanced Science Letters 21, nr 3 (1.03.2015): 458–60. http://dx.doi.org/10.1166/asl.2015.5866.

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Chen, Xiyou, Zhe Wang, Zhengying Lang, Tao Li i Chen Qi. "Research on Desktop Wide Range Wireless Power Transfer Based on High Frequency Electric Field". World Electric Vehicle Journal 12, nr 3 (2.09.2021): 141. http://dx.doi.org/10.3390/wevj12030141.

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This paper proposes a desktop wireless power transfer system that can wirelessly supply power to electrical equipment in a certain space above the aluminum foil using only a high-frequency electric field. Compared with other wireless power supply systems, this system has a smaller power receiving device and a wider power supply range, which is convenient for wireless power supply of portable electrical equipment and low-power electric vehicles. The power receiving device of the system is only the size of a mobile phone, and the power supply range can reach 1.2 m2. This article introduces the system design, electromagnetic field simulation and experiment of the desktop wireless power transfer system. The experimental results show that by using a mobile phone-sized receiving device to connect a light bulb and a fan, multiple loads can simultaneously receive power in a specific space above the desktop power supply. In addition, people can hold the power receiving device for wireless charging.

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Sathe, Minal Dilip, Priyanka Sandesh Nikam i Gajanan Khapre. "Wireless Charging Control for Electric Vehicles". International Journal for Research in Applied Science and Engineering Technology 11, nr 5 (31.05.2023): 4317–21. http://dx.doi.org/10.22214/ijraset.2023.52478.

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Abstract: Wireless power transmission is a way to transmit power without a wire. Wireless power transmission helps connect areas where people do not have access to an adequate power source. Anyone can get clean and green wireless power. From now on, all devices will be connected to the power source wirelessly. Wireless charging for electric vehicles has been in development for several years before the widespread use of these vehicles. Today, wireless charging systems offer an efficient and flexible way to charge electric vehicles of several categories and different capacities from a common base source. Standardization work is well underway to ensure system compatibility between vehicles and locations. In this paper, we presented successful experimental experiments for wireless power transmission and the future scope of wireless power transmission in electric vehicles

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Shirokov, I. B., I. V. Serdyuk, A. A. Azarov i E. I. Shirokova. "System for wireless power transfer". Ural Radio Engineering Journal 5, nr 1 (2021): 7–20. http://dx.doi.org/10.15826/urej.2021.5.1.001.

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The issues of wireless power transfer over short distances are considered. The approach may be used for wireless charging of batteries in unmanned vehicles. It is proposed to use the technique of microstrip structures for power transfer. The microstrip structures form a directional coupler on symmetrical strip lines when approaching by front parts. The length of the interaction lines is chosen several times longer than a quarter of the wavelength. Ballast resistors are excluded from the circuit. This approach leads to small losses of power transfer when the distance between microstrip structures changes over a wide range. Modeling of the operation of the power transfer system has been carried out, an experimental sample has been made and experimental studies have been carried out. The simulation and experiment are well accorded.

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Supriya, Sai, Priyamvadaa R i Savita SangappaMulimani. "WIRELESS POWER THEFT MONITORING SYSTEM". International Journal of Research -GRANTHAALAYAH 5, nr 4RACEEE (30.04.2017): 118–23. http://dx.doi.org/10.29121/granthaalayah.v5.i4raceee.2017.3333.

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Now-a-days in Public Service Sectors, their Automation is the updated trend, which transforms the manpower dependent services to semi-automatic or full-automatic Sectors. Since, because the country is enlightened to globalization, income of people is rising. This “Busy” word has now become vital part of everybody’s life. So, governments prefer not only to give quality service but also the corrupt & error free services to its citizens. So as an upshot, the project proposed which is an advanced system, helps Electricity-Corporations or Electricity-Boards to switch to advancement towards “anti-Power theft” smoothly. This project helps inorder to give quality service to its customer without any kind of problems, along with an aim of reducing recurring theft of energy to a considerable extent.

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Lazarus, N., C. D. Meyer i W. J. Turner. "A microfluidic wireless power system". RSC Advances 5, nr 96 (2015): 78695–700. http://dx.doi.org/10.1039/c5ra17479a.

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Agarwal, Shubham, i Mayur Agarwal. "Wireless Power Theft Monitoring System". International Journal of Advance Research and Innovation 1, nr 2 (2013): 36–39. http://dx.doi.org/10.51976/ijari.121309.

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The scope of this paper is to identify the most commonly adapted techniques of power tampering. We detect the tampering methods by means of respective embedded circuit and intimate it to the electricity board via sound buzzer alert, our microcontroller circuit controlling one relay which is transmitting power supply from main meter to sub meter if somebody tempered meter m/c switch of current supply. M/c display all the consumption unit of both meters on LCD. This tampering information is transmitted to electricity board via transmitter and receiver module which with further advancement can take a proper action to save electricity.

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Sinaga, Emil Siska. "Analysis And Design Of Wireless Power Transfer System (Wireless Power Transfer)". Jurnal Mekintek : Jurnal Mekanikal, Energi, Industri, Dan Teknologi 11, nr 1 (30.04.2020): 1–8. http://dx.doi.org/10.35335/mekintek.v11i1.6.

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Wireless Power Transfer is a way of sending electrical energy through air media, so that electrical energy can be transmitted from a power source to an electrical load without using a conductor or cable. The maximum distance that can be sent by the transmitter to the receiver is 5cm with a voltage of 1.3 volts. This proves that the farther the distance between the transmitter and the receiver, the smaller the voltage and the smaller the power that can be transmitted. Likewise, if the distance between the receiver and transmitter is getting closer, the voltage and power that can be emitted will be even greater.

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Alieksieiev, V. O., D. V. Gretskih, D. S. Gavva i V. G. Lykhograi. "Wireless power transmission technologies". Radiotekhnika, nr 211 (30.12.2022): 114–32. http://dx.doi.org/10.30837/rt.2022.4.211.09.

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The article consists of three parts. The analysis of existing technologies of wireless power transfer (WPT) is carried out in the first part. It is noted that one of the factors that determines the choice of one or another WPT technology is the distance over which the power is transmitted and the type of electromagnetic (EM) energy used. The essence of WPT technologies in the near zone, Fresnel zone and Fraunhofer zone is explained. A generalized block diagram of the WPT system is presented. Areas of application and trends in the further development of the WPT technologies over short distances using induction and resonance methods, the WPT technologies over long distances, the technology of EM energy harvesting from the surrounding space and its conversion into direct current for powering low-power devices are considered. The achievements of the team of the antenna laboratory of the Kharkiv National University of Radio Electronics (KhNURE) in the area of WPT are presented in the second part of the article. Namely, the electrodynamics’ approach is considered which is based on a single idea about the functioning of WPT systems and which include antennas and their circuits and ways of excitation with nonlinear elements. The stages of building a nonlinear mathematical model (MM) of the electrodynamics’ level of the WPT system are presented, according to which the entire WPT system, which generally includes the transmitting subsystem and the receiving subsystem, is considered as a single multi-input antenna system with nonlinear characteristics. The proposed MM provides a complete representation of the WPT systems operation of a wide class and purpose, in which fundamentally different WPT technologies are used. The third part of the article presents new results related to continued research. The analysis of the adequacy of the developed MM of WPT system is carried out. The results of simulation of WPT systems with the induction method of energy transfer (near zone) and their comparison with theoretical and experimental data of other authors showed the reliability and universality of the proposed approach and the MM of WPT system developed on its basis.

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Kim, Sangkil, Manos Tentzeris i Apostolos Georgiadis. "Hybrid Printed Energy Harvesting Technology for Self-Sustainable Autonomous Sensor Application". Sensors 19, nr 3 (11.02.2019): 728. http://dx.doi.org/10.3390/s19030728.

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In this paper, the far-field energy harvesting system for self-sustainable wireless autonomous sensor application is presented. The proposed autonomous sensor system consists of a wireless power supplier (active antenna) and far-field energy harvesting technology-enabled autonomous battery-less sensors. The wireless power supplier converts solar power to electromagnetic power in order to transfer power to multiple autonomous sensors wirelessly. The autonomous sensors have far-field energy harvesters which convert transmitted RF power to voltage regulated DC power to power-on the sensor system. The hybrid printing technology was chosen to build the autonomous sensors and the wireless power suppliers. Two popular hybrid electronics technologies (direct nano-particle printing and indirect copper thin film printing techniques) are discussed in detail.

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Lee, Byunghun, i Yaoyao Jia. "Wirelessly-Powered Cage Designs for Supporting Long-Term Experiments on Small Freely Behaving Animals in a Large Experimental Arena". Electronics 9, nr 12 (25.11.2020): 1999. http://dx.doi.org/10.3390/electronics9121999.

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In modern implantable medical devices (IMDs), wireless power transmission (WPT) between inside and outside of the animal body is essential to power the IMD. Unlike conventional WPT, which transmits the wireless power only between fixed Tx and Rx coils, the wirelessly-powered cage system can wirelessly power the IMD implanted in a small animal subject while the animal freely moves inside the cage during the experiment. A few wirelessly-powered cage systems have been developed to either directly power the IMD or recharge batteries during the experiment. Since these systems adapted different power carrier frequencies, coil configurations, subject tracking techniques, and wireless powered area, it is important for designers to select suitable wirelessly-powered cage designs, considering the practical limitations in wirelessly powering the IMD, such as power transfer efficiency (PTE), power delivered to load (PDL), closed-loop power control (CLPC), scalability, spatial/angular misalignment, near-field data telemetry, and safety issues against various perturbations during the longitudinal animal experiment. In this article, we review the trend of state-of-the-art wirelessly-powered cage designs and practical considerations of relevant technologies for various IMD applications.

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Boulemzaoud, L., S. Latreche i M. Khemliche. "Design and Implementation of a Long Range Wireless Data Acquisition System for Photovoltaic Installation based on LoRa Technology". Engineering, Technology & Applied Science Research 12, nr 2 (9.04.2022): 8473–81. http://dx.doi.org/10.48084/etasr.4859.

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In this paper, a low power consumption long range wireless data acquisition system for PV installations, consisting of a set of sensors connected wirelessly with one or several monitoring/control systems was designed and implemented. The wireless communication between devices is based on LoRa technology. LoRa is a spread spectrum modulation technique derived from Chirp Spread Spectrum (CSS) technology. It offers a long-range low power wireless platform, suitable for professional wireless sensor network applications. The integration of this technology in PV installations provides an extensive, low cost, power-efficient, and easy to maintain, system. Design, high-layer communication protocol, and hardware implementation of sensors are discussed. The sensor set consists of a voltage/current sensor, a sun irradiance sensor, a panel position sensor based on an accelerometer/magnetometer for sun tracking installations, a temperature and humidity sensor, and a mobile monitoring system.

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Deshmukh, Saurabh, i Ameya Kulkarni. "Solar Power Generation and Wireless Power Transmission System". IOSR Journal of Electrical and Electronics Engineering 9, nr 4 (2014): 14–18. http://dx.doi.org/10.9790/1676-09421418.

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Raja, Chandrasekar, M. Ramachandran i Manjula Selvam. "Opportunities and Challenges for Wireless Power Transfer System". Journal on Applied and Chemical Physics 1, nr 1 (1.12.2022): 14–21. http://dx.doi.org/10.46632/jacp/1/1/3.

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"In truth, WPT has at least 30 years of history with the term "IPT," using the same fundamental tenet that has already been established. The development of WPT technology has recently accelerated, with transmission distances at the kilowatt power level ranging from a few millimeters up to several hundred millimeters and a point loading efficiency of more than 90%, which applies to both static and dynamic charging environments. Due to this, WPT is particularly appealing for electric vehicles (EVs). However, the performance of wireless power transfer (WPT) systems in various WPT applications remains a significant design challenge. While the use of plug-in electric vehicles (PEVs) is growing, a technological advance is needed to address battery-related flaws. Even if battery technology is improving, the key growth barriers for EVs will continue to be price, dimensions, weight, delayed charge features, and low energy density. Additionally, many customers may not embrace PEVs as their preferred choice due to concerns about price. Dynamic wireless power transfer (DWPT)-enabled EVs have been offered as a solution to battery-related restrictions. The dynamic EV charging concept should be implemented using a WPT-capable infrastructure. As less energy storage is needed for operating the car wirelessly while driving, a battery pack can be lighter. WPT fixed charging refers to wirelessly charging the EV while it is parked, which is less complex in terms of design than dynamic WPT. In contrast to plug-in EVs, ordinary WPT does not extend the driving range of the vehicle. This chapter discusses cutting-edge WPT technology for future transportation and introduces performance indices for the WPT system."

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Liao, Yi-Hung, i Yue Lin. "A Novel Bidirectional Wireless Power Transfer System for Mobile Power Application". Applied Sciences 9, nr 18 (9.09.2019): 3769. http://dx.doi.org/10.3390/app9183769.

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This paper presents a bidirectional wireless power transfer system for mobile power applications. A novel 2-switch bidirectional wireless power transfer system with dual-side control is proposed for mobile power applications. Although only two switches are adopted, the energy can be transferred from the transmitter side to the receiver side and vice versa. The term bidirectional means that the power-flow is bidirectional and also that the transmitter is also a receiver and the receiver is also a transmitter. The output energy can be easily controlled by the duty ratios of the two switches. Thus, the proposed bidirectional power transfer system uses only one circuit to achieve bidirectional power transfer. Hence, the system cost and volume can be reduced so that the system is small and convenient for mobile power systems, portable and/or wearable electronic devices. A prototype system is constructed and the experimental results verify the validity of the proposed bidirectional wireless power transfer system.

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Du, Juan, i Mingqi Guo. "Wireless Mobile Power Communication System Based on Artificial Intelligence Algorithm". International Transactions on Electrical Energy Systems 2022 (20.09.2022): 1–7. http://dx.doi.org/10.1155/2022/1636033.

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In order to solve the problems of low-risk assessment accuracy and long time-consuming assessment of current wireless mobile communication systems, a wireless mobile communication system based on artificial intelligence algorithms is proposed. First, the research status of risk assessment of wireless mobile communication system at home and abroad is analyzed, and the risk assessment index system of wireless mobile communication system is established; then, the learning samples are collected according to the risk assessment index system of wireless mobile communication system, and artificial intelligence algorithm is used to optimize the neural network. Build the wireless mobile communication system risk assessment model; finally, carry out the wireless mobile communication system risk assessment simulation comparison test. The experimental results show that the accuracy rate of the risk assessment of the wireless mobile communication system by the artificial intelligence algorithm is over 95%, and the assessment error is smaller than in other models. The risk assessment time of the wireless mobile communication system is significantly reduced, the real-time performance is better, and it has a higher practical application value.

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B, Jamge S., Pooja N. Kalal, Preeti S. Togare, Ruchika A. Vallamdeshi i Probhodhini P.Waghe. "Wireless Power Transmission Technology". Journal of Image Processing and Intelligent Remote Sensing, nr 26 (21.10.2022): 32–37. http://dx.doi.org/10.55529/jipirs.26.32.37.

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In this WPT, the main concept is power transmission without use of wires. In electrical power system, most of losses occurred in transmission & distribution with the use of this concept transmission system to related history of wireless power transmission system also the related Power transfer technology it is technology eliminates the drawbacks of existing wires technology. In this electrical energy transfer by electromagnetic induction is typically magnetic. It will be power transmits transmission wireless energy (WPT).

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Hendinata, Laurentius Kevin. "Simulasi Sistem Transfer Daya Nirkabel Berbasis Kopling Magnetik". Journal of Applied Smart Electrical Network and Systems 2, nr 2 (31.12.2021): 71–74. http://dx.doi.org/10.52158/jasens.v2i2.252.

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Technological developments require the development of wireless power transfer systems. From the various types of technology, magnetic coupling-based wireless power transfer system is one of the most widely used technologies. This research was conducted to study and design a magnetic coupling based wireless power transfer system circuit using the Proteus 8 simulation software. This wireless power transfer system consists of a transceiver, an inductive coil, and a power receiver. Experiments have been carried out and a wireless power transfer system using inductive coupling can produce power readings in the receiver coil circuit. The measured voltage value on the receiver coil in real (not ideal) conditions indicates power losses of at least 17.1296% due to electromagnetic interference. However, this magnetic coupling based wireless power transfer system can provide charging flexibility so that it remains attractive for application in various technologies.

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Manda, Rajarao. "A Low-Power, High-Bandwidth Wireless Communication System for Industrial IoT Applications". Mathematical Statistician and Engineering Applications 71, nr 2 (6.03.2022): 647–57. http://dx.doi.org/10.17762/msea.v71i2.2194.

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In anticipation for an automated future, the Internet of Things (IoT) has rapidly connected more gadgets. Thus, IoT applications' performance requirements present new challenges. Power consumption, service quality, localization, security, and exact wireless channel propagation modelling and characterization are potential issues. When connecting separate sensors wirelessly, the latter is crucial. Channel modelling varies by location because environmental factors affect wireless signal range and quality. Wireless communication technologies are widely used for disaster victim and responder tracking and machine health monitoring in networked manufacturing. Data communication in such systems must be real-time or risk financial losses or human lives. Facilitating real-time medium access via license-free bands in uncontrolled situations is difficult because all communicating stations must be synchronized. (real and nonreal-time). In open communication, medium access protocols cannot filter out unmonitored station traffic.Real-time data collection and analysis improve system efficiency, preventative maintenance, and energy savings. Modulation systems, antenna designs, and power management are just a few of the various ways that must be considered throughout system design and development. IIoT applications also have power, security, and dependability issues. A Low-Power, High-Bandwidth Wireless Communication System for Industrial IoT Applications has a bright future thanks to artificial intelligence and machine learning, 5G networks, new low-power communication technologies, improved security, and blockchain technology. Without this technology, IIoT growth is impossible.

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Li, Su Ping, i Xiao Fei Chen. "Solar Wireless Charging Circuit System Designing". Applied Mechanics and Materials 229-231 (listopad 2012): 1017–20. http://dx.doi.org/10.4028/www.scientific.net/amm.229-231.1017.

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The solar wireless charging circuit system based on resonance coupling power wireless transmission is aimed at addressing long wire, complex manual operation of wire charging type and short-distance, low efficiency of general electromagnetic induction-type power wireless transmission. Solar is conversed to electricity by photoelectric conversion then the electricity passes the following processing circuit: solar power supply circuit, power wireless transmission circuit and lithium battery charging circuit to complete lithium battery charging finally. The proposed circuit system owns perfect long-distance transmission, safe-operation, automotive rechargeable, flexible and efficient etc basic features and preventing over charge and over discharge double protection performance.

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Ogbulezie, Julie C., Brian E. Usibe i Godwin C. Solomon. "Implementation of a wireless charging system for mobile devices". Global Journal of Pure and Applied Sciences 24, nr 2 (18.12.2018): 229–34. http://dx.doi.org/10.4314/gjpas.v24i2.13.

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This work describes the implementation of an RF based wireless charging system using RF transmitting and receiving modules. The objective of this work is to implement a system that has the ability to interact and communicate wirelessly within short range. This mobile wireless charging switching system consists of two sections, the transmitting and the receiving section. Each section was interfaced to 433MHz transmitting and receiving modules. The transmitter section of the wireless mobile charging system sends bursts of 433MHz signal through push button switch which is used in the initiation of the charging process to the receiver; when this signal is received by the receiver, it activates a relay which in turn switches on the internal power that comprises the backup battery, DC-to DC converter via a Universal Serial Bus (USB) port to the mobile device to begin charging. This work was able to achieve a wireless transfer of power for distance of about one metre between the transmitter and the receiver.Keywords: wireless charging, radio frequency radiation, electromagnetic induction, inductive coupling, microcontroller,

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Alapati, Sai Varun, Indusaiteja Nadella, Phaneendra Babu Bobba i Madhur Deo Upadhayay. "Development of wireless charging system along with power line communication used in Electric Vehicles". E3S Web of Conferences 87 (2019): 01021. http://dx.doi.org/10.1051/e3sconf/20198701021.

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Charging an Electric Vehicle wirelessly is the latest technology being developed for the electric vehicles replacing the traditional way of plugging to the supply. In this paper, authors explained how to integrate Power Line Communication along with wireless power transfer in EV. The entire system is implemented in ADS simulation software. We are adapting to magnetic resonance coupling method for wireless power transfer in EV. The overall ideology of the project is to design an innovative system which involves higher power transfer and implement smart communication system between vehicle and the grid while following the latest magnetic resonance charging standards.,

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Wang, Tianfeng, Xin Liu, Nan Jin, Houjun Tang, Xijun Yang i Muhammad Ali. "Wireless Power Transfer for Battery Powering System". Electronics 7, nr 9 (7.09.2018): 178. http://dx.doi.org/10.3390/electronics7090178.

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The LCL topology (formed by an LC tank with a transmitting coil) is extensively utilized in wireless power transfer (WPT) systems with the features of a constant resonant current and ability to disconnect load abruptly. However, it requires high input voltage, which limits its utilization in battery powering scenarios (12~24 V). A current-fed inverter (CFI) is applied to the LCL-S (a compensation capacitor in series with the receiving coil) WPT systems to boost the input voltage, thereby getting a higher resonant current in the transmitting side (Tx). To facilitate the voltage regulation in the receiving side (Rx), a semi-active bridge (SAB) is introduced into the system, which further boosts the output voltage by a lower frequency switching at different duty ratios. Rigorous mathematical analysis of the proposed system is carried out and design guidelines are subsequently derived. Moreover, a power loss reduction is realized by zero voltage switch (ZVS) of the four switches in the Tx which are deduced and presented. Simulations and experiments are added to verify the proposed system. Consequently, a 93.3% system efficiency (DC-to-DC efficiency) is obtained using the proposed topology. Optimization techniques for a higher efficiency are included in this study.

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Mohammed, S. Sheik, K. Ramasamy i T. Shanmuganantham. "Wireless Power Transmission - A Next Generation Power Transmission System". International Journal of Computer Applications 1, nr 13 (25.02.2010): 102–5. http://dx.doi.org/10.5120/274-434.

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Ramachandran, Hema. "MODELLING OF SYSTEM PARAMETERS IN WIRELESS POWER TRANSFER SYSTEMS". International Journal of Information Systems and Engineering 1, nr 1 (30.04.2013): 22–29. http://dx.doi.org/10.24924/ijise/2013.04/v1.iss1/22.29.

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Zheng, Yunfei, Zhijian Hu, Zhongyu Dai, Chao Pei, Chuan Yang, Haikuo Zhou, Haoyue Qu i Lingjun Yang. "Passive Wireless Measurement System Based on Wireless Power Transfer Technology". Electronics 8, nr 9 (18.09.2019): 1048. http://dx.doi.org/10.3390/electronics8091048.

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This paper presents a passive wireless measurement system based on wireless power transfer (WPT) technology. It does not require separate information and power transmission circuits. The data receiver only needs to send a short signal to the data collector through WPT, and then the information of the measured environment can be obtained by analyzing the feedback signal from the data collector. Three concepts are included in this system, namely (1) the constant oscillation period of oscillation attenuation waveforms; (2) the characteristics of inductive coupling WPT; and (3) the relationship between sensitive resistances and environmental parameters. It is very suitable for measuring the parameters in an internal or closed space. The data collector is small in size and simple in structure, and no power is needed. It has stable performance after implantation and can be used permanently. Results obtained from simulations and experiments are included. They verify the measurement process and measurement results meet the requirements of passive wireless measurement, and the measurement error is less than 1.5%.

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Hoang, Van Ai, i Young Chul Lee. "CAPACITIVE-WIRELESS POWER TRANSFER SYSTEM FOR POWER SUPPLY OF A WIRELESS SENSOR SYSTEM ON A PROPULSION SHAFT". Progress In Electromagnetics Research Letters 102 (2022): 9–18. http://dx.doi.org/10.2528/pierl21110301.

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Cai, Weikun, Dianguang Ma, Houjun Tang, Xiaoyang Lai, Xin Liu i Longzhao Sun. "Highly Efficient Target Power Control for Two-Receiver Wireless Power Transfer Systems". Energies 11, nr 10 (11.10.2018): 2726. http://dx.doi.org/10.3390/en11102726.

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Multiple-receiver wireless power transfer (MRWPT) systems have revolutionary potential for use in applications that require transmitting power to multiple devices simultaneously. In most MRWPT systems, impedance matching is adopted to provide maximum efficiency. However, for most MRWPT systems, achieving target power levels and maximal efficiency is difficult because the target output power and maximum efficiency conditions are mostly not satisfied. This study establishes a target power control (TPC) strategy to balance providing target transfer powers and operating under high efficiency. This study is divided into the following points: First, this study derives the optimal mutual inductance to verify that it’s difficult for two-receiver wireless power transfer (WPT) system to achieve both maximum efficiency and power distribution simultaneously; Second, this study illustrates that for impedance matching method the mutual inductances play a more important role than equivalent impedances in increasing the system efficiency, and hence system should give priority in improving the mutual inductance as large as possible; Third, this study proposes a simplified system model which helps to derive the analytic solutions of equivalent impedances; Fourth, this study developed a 100-kHz two-receiver WPT system and establishes a TPC strategy for enabling the system to achieve target output power levels with high efficiency; At last, the proposed system is proved to achieve an efficiency level of more than 90 % and satisfies the target output power levels requirements.

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Shi, Rui Jing, Xiao Chao Fan, Feng Ting Li i Bo Wei. "Application of Power Communication System in Wind Power Plant". Advanced Materials Research 724-725 (sierpień 2013): 655–58. http://dx.doi.org/10.4028/www.scientific.net/amr.724-725.655.

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The application of power communication system in the field of wind power mainly includes the overall system communication and local field communication. During the operation of wind farms, the total system requires that the electric power communication system should provide reliable rapid information channel, accuracy of transmission on a variety of digital business. This article will focus on the application of power communication system between the wind turbine and the booster station, which includes optical fiber communication, communication and leased public circuit, as well as the cable communication, wireless communication, microwave wireless communication. Finally, in the premise of various communications comparison, according to the actual situation of the wind power field, the network transmission rate and reliability should be considered to the requirements of power market.

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Manalang, Dana, Benjamin Waters, Chasen Smith, Philip LaMothe, Matt Carlson i Kedi Yan. "Adaptive Wireless Power for Subsea Vehicles". Marine Technology Society Journal 56, nr 5 (14.10.2022): 36–44. http://dx.doi.org/10.4031/mtsj.56.5.9.

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Abstract Wireless power transfer in seawater removes the inherent risks and complexities of mating conductive surfaces in seawater. An effective underwater wireless power transfer system for subsea vehicles must maintain power transfer despite the potential for dynamic misalignment between the power transmission and receive elements and therefore requires an adaptive system. We describe the development and characterization of a subsea wireless power system, including a transmit-receive coil pair optimized for seawater performance. Built on the adaptive resonant wireless power transfer technology of WiBotic, Inc., the system automatically adjusts for misalignment and separation between the transmit and receive coils. We demonstrate that transmit-receive coil pairs can be effectively tuned to provide adaptive wireless power transfer in salt water, with no significant effects of increased pressure at depth. Furthermore, we describe the full system marinization of the wireless power system and its application to a system that uses a wave energy converter for subsea vehicle charging.

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Kadam, Varsha, Ayush Jiwatode i Abhijeet Kamble. "Wireless Electricity Transfer System Design and Implementation". International Journal for Research in Applied Science and Engineering Technology 10, nr 12 (31.12.2022): 916–19. http://dx.doi.org/10.22214/ijraset.2022.47956.

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Abstract: Wireless power transmission (WPT) has covered a wide range of subjects in many fields and become a highly active research area for students, scientists, and many others because of their potential to provide new technology to our daily lives. Wireless power transmission will have a bright future because this technology is used in the transmission of electrical energy from a power source to an electrical load across an air gap without any wires. This paper presents a design implementation and working principle of wireless power transfer. The paper describes different studies of existing technologies in wireless power transmission. Also, the working of the circuit has been described along with the results.

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Huang, Shou Zhi, i Xue Zeng Zhao. "Application of Wireless Sensor Networks on Power Plants Monitoring". Applied Mechanics and Materials 321-324 (czerwiec 2013): 762–66. http://dx.doi.org/10.4028/www.scientific.net/amm.321-324.762.

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The traditional wired monitoring system for power plants is complex and hard to detect when the system faces some problems. The idea of monitoring the environment of power plants wirelessly is proposed to solve this problem. The feasibility of applying wireless sensor networks to power plants monitoring is analyzed. Then a wireless monitoring system based on XBee modules which are using ZigBee technology is designed. The temperature and electrical current data are gathered by sensors attached to the XBee modules and transferred to the PC controller through mesh network. An interface between coordinator and controller is designed utilized LABVIEW software to read data and send commands. In the end, a three nodes demo system is built up to testify the design.

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Samsurizal, Samsurizal. "ANALISIS WIRELESS POWER TRANSMISSION SYSTEM DALAM ASPEK REGULASI MENGGUNAKAN METODE BENCHMARK". KILAT 7, nr 2 (31.10.2018): 178–89. http://dx.doi.org/10.33322/kilat.v7i2.361.

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Wireless technology has developed very rapidly both in terms of providing infrastructure and supporting technology that is on the side of the mobile computing device that has been widely used by people. Charging the battery is one of the primary needs of modern society. To support community activities that the higher the level of mobility, power bank is a solution. However, the ability of power banks are still limited in terms of charging. Thus, the wireless charging technology, or better known as the Wireless Power Transmission (WPT). Wireless Power Transmission is a technology that allows electrical energy from the power source to an electrical load is transmitted without any interconnection. Wireless Power Transmission especially useful for devices connected to the cable dangerous. This is new technology but the market has seen demand increase significantly. Various types of applications, that the technology Wireless Power Transmission (WPT) is applied, the expected and the study of the current WPT is underway. Also, ongoing standardization activities in several standardization organizations.as well as the issuance of Wireless Power Transmission Regulations in some countries so expect the harmonization of rules / law in the implementation of Wireless Power Transmission in everyday life, Clarity and certainty of legal framework for the implementation of the regulatory function of the business operations of Wireless Power Transmission.

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Hashim, W., A. F. Ismail, N. M. Anas, H. A. M. Ramli i K. Abdullah. "Cognitive Power Adjustment for OFDM-Based Wireless Communication System: An Empirical Study". Lecture Notes on Software Engineering 3, nr 1 (2015): 35–39. http://dx.doi.org/10.7763/lnse.2015.v3.161.

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Farooq, Muhammad Omer. "System and methods for wireless power transfer scheduling in a wireless power transfer network". Array 16 (grudzień 2022): 100246. http://dx.doi.org/10.1016/j.array.2022.100246.

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Lim, Sungkyun, Deon Lucien, Joshua Haney, Jinxi Chen, Rakibul Islam i Cameron Cato. "DESIGN OF A WIRELESS POWER TRANSFER SYSTEM TO POWER WIRELESS SENSORS REMOTELY USING UHF". Progress In Electromagnetics Research M 82 (2019): 175–82. http://dx.doi.org/10.2528/pierm19041008.

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Narayanan, Raghu. "Advances in Wireless Power Coils: The key element in a wireless power charging system". IEEE Power Electronics Magazine 2, nr 4 (grudzień 2015): 40–46. http://dx.doi.org/10.1109/mpel.2015.2485358.

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Rashid, Mofeed. "Design and Implementation of Smart Electrical Power Meter System". Iraqi Journal for Electrical and Electronic Engineering 10, nr 1 (1.06.2014): 1–14. http://dx.doi.org/10.37917/ijeee.10.1.1.

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In recent years, increased importance of Smart Grid, which includes monitoring and control the consumption of customers of electric power. In this paper, Wireless Smart Electrical Power Meter has been designed and implemented which ZigBee wireless sensor network (WSN) will be used for wireless electrical power meter communication supported by PIC microcontroller which used for power unit measurements. PIC microcontroller will be used for evaluating all electric power parameters at costumer side like Vrms, Irms, KWh, and PF, and then all these parameters will be send to base station through wireless network in order to be calibrated and monitored.

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Wang, Haochuan, Chenglong Zhu, Wenkai Jin, Junjie Tang, Zhanxiong Wu, Keming Chen i Hui Hong. "A Linear-Power-Regulated Wireless Power Transfer Method for Decreasing the Heat Dissipation of Fully Implantable Microsystems". Sensors 22, nr 22 (13.11.2022): 8765. http://dx.doi.org/10.3390/s22228765.

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Magnetic coupling resonance wireless power transfer can efficiently provide energy to intracranial implants under safety constraints, and is the main way to power fully implantable brain–computer interface systems. However, the existing maximum efficiency tracking wireless power transfer system is aimed at optimizing the overall system efficiency, but the efficiency of the secondary side is not optimized. Moreover, the parameters of the transmitter and the receiver change nonlinearly in the power control process, and the efficiency tracking mainly depends on wireless communication. The heat dissipation caused by the unoptimized receiver efficiency and the wireless communication delay in power control will inevitably affect neural activity and even cause damage, thus affecting the results of neuroscience research. Here, a linear-power-regulated wireless power transfer method is proposed to realize the linear change of the received power regulation and optimize the receiver efficiency, and a miniaturized linear-power-regulated wireless power transfer system is developed. With the received power control, the efficiency of the receiver is increased to more than 80%, which can significantly reduce the heating of fully implantable microsystems. The linear change of the received power regulation makes the reflected impedance in the transmitter change linearly, which will help to reduce the dependence on wireless communication and improve biological safety in received power control applications.

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Li, Tansheng, Kikuzo Sawada, Harutoshi Ogai i Wa Si. "UHF-Band Wireless Power Transfer System for Structural Health Monitoring Sensor Network". Smart Materials Research 2013 (11.11.2013): 1–7. http://dx.doi.org/10.1155/2013/496492.

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For detecting and measuring health conditions of bridges, wireless sensor networks are used in these days. However, battery life is critically restricting the application and maintenance cost of sensor network systems. To extend life time, a wireless power transfer system at UHF band is introduced to supply the current wireless sensor network. This power transfer system is based on electric wave at 950 MHz. This power transfer system is redesigned for tiny power transmission, including a combination of a rectenna and a Cockcroft-Walton boost converter, battery board, and a control board. Also, current wireless sensor network is redesigned for power transfer system. The working flow of sensor network is modified to bottom-to-top to save power of sensor modules which are the power bottleneck of this sensor system. As a result, the system is able to support a sensor module continuously with received power of −14 dBmW, when the transmitting antenna is 30 dBmW at 10 meters distance.

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Chen, Yajie, Zhiqiang Pan, Ming Ni, Haibo Gao, Zhao Pan, He Huang i Yihang Zhu. "Design of Marine High Power Wireless Charging System". E3S Web of Conferences 194 (2020): 02010. http://dx.doi.org/10.1051/e3sconf/202019402010.

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With the application of new energy ships equipped with large-capacity batteries/ultracapacitors in oceans, inland rivers and lakes, the need for high-power wireless charging systems has become increasingly urgent. Based on the analysis of the characteristics of ship charging operation, this paper selected the structure of loosely coupled transformer and introduces its core technology. Then the basic principle of the wireless charging system for the ship is introduced, and the scheme of 1.2 MWwireless charging system is designed according to the specific application.2.5

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Kim, Dongwook, i Seungyoung Ahn. "Wireless Power Transfer-Based Microrobot with Magnetic Force Propulsion Considering Power Transfer Efficiency". Journal of Electromagnetic Engineering and Science 22, nr 4 (31.07.2022): 488–95. http://dx.doi.org/10.26866/jees.2022.4.r.113.

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A microrobot that could continuously receive both electrical energy and propulsion force from a wireless power transfer system would offer tremendous benefits. However, wireless powering systems produce a time-varying magnetic field that can be harmful if the generated magnetic field needed for microrobot movement is large. To limit exposure, power transfer efficiency must be enhanced. This paper derived and analyzed the magnetic force applied to a microrobot from a wireless power transfer system. Unlike previously introduced Lorentz force-based microrobot propulsion, the proposed method is independent of a wireless power transfer system’s frequency. Therefore, this frequency can be determined considering maximum power transfer efficiency. The theoretical analysis and simulation by numerical analysis were compared, and results were verified though actual fabrication and measurement. Analyses of the transmitting and receiving coils were conducted. The optimum force, with less than 9% discrepancy, was determined while achieving a 3.6% improvement in power transfer efficiency.

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Pavithra, S., B. S. Sreeja, M. C. John Wiselin i A. Kamal. "Wireless Powering System for Implantable Bio-Mems Sensor". Asian Journal of Science and Applied Technology 1, nr 2 (5.11.2012): 1–5. http://dx.doi.org/10.51983/ajsat-2012.1.2.739.

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The aim of this proposal is to design a wireless powering system for an Implantable Bio-MEMS Sensor which is used to power up the implanted sensor inside the human body. It is highly desirable due to obviation of batteries or piercing wirings. The implanted sensor is powered up it senses the measureable parameters in the human body and the sensed signals are transmitted to the receiver section that is kept outside the human body. RF powering relies on an inductively coupled electromagnetic link to wirelessly transmit RF power from an external unit to an implanted system. This technique has been widely used for biomedical implants. The system consideration including the inductive coupling and the circuit building blocks of power management are given.

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Ding, Xiaoke. "Design and Optimization of Inductive Wireless Power Transmission System". Modern Electronic Technology 2, nr 1 (16.01.2018): 15. http://dx.doi.org/10.26549/met.v2i1.752.

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The inductive wireless power transmission system is actually applied to the principle of magnetic feld coupling, combined with the ﬂexibility of the electrical equipment to achieve ﬂexible and safe power supply. In the realization process of wireless power transmission, the key point lies in the transmission effciency and power transmission capability. However, wireless transmission still has some disadvantages in these two aspects. In this case, there is an air gap between the transmitting winding and the receiving winding. If it is too large and the coupling coeffcient is too low, in view of this situation, it is necessary to carry out research from aspects such as raising the coupling coeffcient and controlling the air gap. The article frstly describes the development ofwireless power transmission technology and transmission principles, etc. Secondly, it analyzes the output control of wireless power transmission systems. Third, it conducts simulation analysis using loosely coupling transformers and proposes an optimized solution.The simulation design and inspection process were proposed. The main purpose of this paper is to analyze the current wireless energy transmission system and clarify the direction in which it should be strengthened. The signifcance of this study is to provide a feasible direction for the further optimization of the wireless energy transmission system.

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Hong, Yue. "Application of wireless charging in UAV line patrol". Applied and Computational Engineering 4, nr 1 (14.06.2023): 7–12. http://dx.doi.org/10.54254/2755-2721/4/20230337.

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With the development of the times, unmanned aerial vehicles (UAVs) are increasingly used in power systems, especially in power line patrol. At the same time, The charging method of UAV power patrol system has attracted more and more attention. Therefore, this paper analyzes the different ways of wireless charging of UAVs applied in power circuit system. It includes self-resonant ZVS topology, Double LCCL topology, LCL-LCL /S hybrid self-switching resonant wireless charging system and wireless charging method using solar energy. At the same time, the future development direction of UAV wireless charging in this field is prospected.

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