Various noncontacting methods of plug-in electric vehicle charging are either under development or now deployed as aftermarket options in the light-duty automotive market. Wireless power transfer (WPT) is accepted term for wireless and used synonymously inductive magnetic resonance coupling. WPT technology its infancy; standardization lacking, especially on interoperability, center frequency selection, fringe field suppression, employed flow regulation. This paper proposes a new analysis...

As visionary as dynamic, or in-motion, wireless charging of electric vehicles appears the concept is well over a century old this paper will show. This because magnetic induction dates back to pioneering work physicist Michael Faraday in early 19th century. Today power transfer (WPT) being standardized for stationary and quasi-stationary (EV). The Society Automotive Engineers (SAE) has undertaken standardization make public during 2016. In addition IEEE-SA (Standards Activities) initiated...

Solar Energy Harvesting Introduction I-V Characteristics of Photovoltaic (PV) Systems PV Models and Equivalent Circuits Sun Tracking MPPT Techniques Shading Effects on Cells Power Electronic Interfaces for Sizing the Panel Battery Pack Stand-Alone Applications Modern Wind Winds History Fundamentals Turbine Turbines Different Electrical Machines in Synchronous Generators Research Development Tidal Categories Corresponding Generation Technology Generator's Control Conversion Grid Connection...

A novel phase-shift control of a semibridgeless active rectifier (S-BAR) is investigated in order to utilize the S-BAR wireless energy transfer applications. The standard receiver-side topology developed by replacing lower diodes with synchronous switches controlled phase-shifted PWM signal. Theoretical and simulation results show that proposed technique, output quantities can be regulated without communication between receiver transmitter. To confirm performance converter control,...

Wireless charging systems are foreseen as an effective solution to improve the convenience and safety of conventional conductive chargers. As this technology has matured, recent broad applications wireless chargers electrified transportation have indicated a trend toward higher power, power density, modularity, scalability designs. In article, commercial laboratory prototypes reviewed, focusing mostly on advances in high-power systems. The endeavors magnetic pad designs, compensation...

The wireless charging of an electric vehicle (EV) while it is in motion presents challenges terms low-latency communications for roadway coil excitation sequencing and maintenance lateral alignment, plus the need power-flow smoothing. This article summarizes experimental results on power smoothing in-motion EV performed at Oak Ridge National Laboratory (ORNL) using various combinations electrochemical capacitors grid side vehicle. Electrochemical symmetric carbon-carbon type from Maxwell...

Wireless power transfer (WPT) is a convenient, safe, and autonomous means for electric plug-in hybrid vehicle charging that has seen rapid growth in recent years stationary applications. WPT does not require bulky contacts, plugs, wires, affected by dirt or weather conditions, as efficient conventional systems. When applied in-motion, additionally relives range anxiety, adds further convenience, reduces battery size, may help increase the life through charge sustaining approach. This study...

The mass and volume of wireless power transfer (WPT) systems for charging electric vehicles are directly related to the rated system. difficulties high-power exacerbated by need meet same practical constraints associated with vehicle integration as lower systems. Therefore, more advanced techniques necessary improve density specific applications. This article presents theory analysis three-phase inductive WPT bipolar phase windings. Magnetic coupler topologies theoretical aspects series...

The automotive industry is going through a major restructuring, and automakers are looking for new generations of hybrid vehicles called plug-in electric (PHEVs). In the event that PHEVs become more available number on road increases, certain issues will need to be addressed. One vital issue method by which these charged if today's grid can sustain increased demand due PHEVs. Although appear pose large liability grid, executed properly, they actually an even larger asset. benefit greatly...

Plug-in hybrid electric vehicles (PHEVs) will play a vital role in future sustainable transportation systems due to their potential terms of energy security, decreased environmental impact, improved fuel economy, and better performance. Moreover, new regulations have been established improve the collective gas mileage, cut greenhouse emissions, reduce dependence on foreign oil. This paper primarily focuses two major thrust areas PHEVs. First, it introduces grid-friendly bidirectional...

This article proposes a magnetic integration design for EV wireless power transfer (WPT) systems, where the compensation and transmitting coils overlap one on top of other to share ferrite layer without any decoupling consideration. The field generated by both are exploited power. To this end, method is proposed enable enhancement reactive flow between coils, achieve input zero phase angle constant current output. In addition, an efficient finite element analysis-based coil optimization...

This article presents the design and demonstration of a bidirectional 20-kW wireless charging system (WCS) with significantly large air gap (11 in) asymmetrical input-output voltage levels. Analytical experimental sensitivity analyses WCS resonant tank were conducted to verify optimal operating region under load frequency variation. The inverter rectifier designed switching components, pads double-D (DD) coils, tuning networks an LCC - circuit. grid vehicle side circuits separately achieve...

In this paper, a novel droop method to control the power sharing of parallel uninterruptible-power-supply (UPS) systems is presented. clear-cut contrast previously reported works, controller proportional-resonant which ensures good transient response and steady-state objectives. Furthermore, need for sensing output current power-sharing removed by implementing it in software routine. This brings less complicated expensive structure number feedback sensors reduced from three two. The...

This manuscript focuses on a novel actively controlled hybrid magnetic battery/ultracapacitor based energy storage system (ESS) for vehicular propulsion systems. A stand-alone battery might not be sufficient to satisfy peak power demand and transient load variations in plug-in electric vehicles (HEV, PHEV). Active ESS provides better solution terms of efficient management control flexibility. Moreover, the voltage pack can selected different than that ultracapacitor, which will result...

Conductive charging of plug-in and battery electric vehicles (PEV's) is now well established becoming more pervasive in the market. charger regulation vehicle regenerative energy storage system (RESS), or pack charge rate controlled by dedicated on-board-charger (OBC) coordination with management (BMS). Wireless Power Transfer (WPT) PEV's a relatively new emerging technology that will not benefit from standardization work until 2014 later. As such, various approaches are currently underway...

This paper presents the design, analyses and implementation of an optimized single stage high power wireless charging system capable transferring 100 kW at operating frequency 22 kHz a coil-to-coil distance 5 inches. The detailed design electronics including inverter rectifier transfer coils along with resonant are described. FEA simulation results network analysis validated by using Venable response analyzer. Experimental corresponding to 50 operation presented validate process.

Wireless power transfer (WPT) is a convenient, safe, and autonomous means for electric plug-in hybrid vehicle charging that has seen rapid growth in recent years stationary applications. WPT does not require bulky contacts, plugs, wires, affected by dirt or weather conditions, as efficient conventional systems. This study summarizes some of the Sustainable Campus Initiative activities Oak Ridge National Laboratory (ORNL) an on-campus (a Toyota Prius vehicle). development coils,...

Battery/Ultra-capacitor based electrical vehicles (EV) combine two energy sources with different voltage levels and current characteristics. This paper focuses on design control of a multiple input DC/DC converter, to regulate output from inputs. The proposed multi-input converter is capable bi-directional operation responsible for power diversification optimization. A fixed switching frequency strategy considered its operating modes. portion New York City Cycle that includes these modes...

Several wireless charging methods are under development or available as an aftermarket option in the light-duty automotive market. However, there not many studies detailing vehicle integrations, particularly a fully integrated application. This paper presents development, implementation, and integration of high-power (>10 kW) power transfer (WPT)-based electric (EV) system for Toyota RAV4 vehicle. The stages introduced with design specifications control systems including active front-end...

Typically, telecom power systems are connected to the grid and diesel generator. This paper represents a new system using local microsources (fuel cell microturbine). Some benefits of this effectively eliminating batteries, generator, automatic transfer switch. In study, multiple input buck-boost converter is utilized as an interface between dc bus. The peak current-mode control used current fuel while voltage-mode regulate output voltage. A model for proton-exchange membrane (PEM FC)...

In this paper, a compact high efficiency wireless power transfer system has been designed and developed. The detailed gate drive design, cooling stage development, assembling are presented. successful tests verified the feasibility of to achieve over-all 90% efficiency.