Larry E. Seiber
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View article: Refrigerant directly cooled capacitors
Refrigerant directly cooled capacitors Open
The invention is a direct contact refrigerant cooling system using a refrigerant floating loop having a refrigerant and refrigeration devices. The cooling system has at least one hermetic container disposed in the refrigerant floating loop…
View article: Wireless power charging using point of load controlled high frequency power converters
Wireless power charging using point of load controlled high frequency power converters Open
An apparatus for wirelessly charging a battery of an electric vehicle is provided with a point of load control. The apparatus includes a base unit for generating a direct current (DC) voltage. The base unit is regulated by a power level co…
View article: DC current controller for continuously variable series reactor
DC current controller for continuously variable series reactor Open
A direct current controller includes a rectifier configured to convert alternating current input into a direct current output. A converter electrically coupled to the rectifier generates a converted direct current voltage that regulates a …
View article: A 100-kW Wireless Power Transfer System Development Using Polyphase Electromagnetic Couplers
A 100-kW Wireless Power Transfer System Development Using Polyphase Electromagnetic Couplers Open
Wireless power transfer (WPT) is an essential technology enabling automated charging of electric vehicles with safety, convenience, and flexibility while having high efficiencies. High-power wireless charging systems will be one of the dom…
View article: Bidirectional <i>LCC</i>–<i>LCC</i>-Compensated 20-kW Wireless Power Transfer System for Medium-Duty Vehicle Charging
Bidirectional <i>LCC</i>–<i>LCC</i>-Compensated 20-kW Wireless Power Transfer System for Medium-Duty Vehicle Charging Open
This paper presents the design and demonstration of a bidirectional 20 kW wireless charging system (WCS) with a significantly large airgap (11 inches) and asymmetrical input-output voltage levels. Analytical and experimental sensitivity an…
View article: 20-kW Bi-directional Wireless Power Transfer System with Energy Storage System Connectivity
20-kW Bi-directional Wireless Power Transfer System with Energy Storage System Connectivity Open
The severity of the economic impact caused by grid outages has been the driving factor for creating innovative solutions that increases interest for the deployment of distributed energy resources to reduce the impact of grid outages. This …
View article: Vehicular Integration of Wireless Power Transfer Systems and Hardware Interoperability Case Studies
Vehicular Integration of Wireless Power Transfer Systems and Hardware Interoperability Case Studies Open
Several wireless charging methods are under development or available as an aftermarket option in the light-duty automotive market. However, there are not a sufficient number of studies detailing the vehicle integration methods, particularl…
View article: Modeling, Design, and Experimental Verification of a WPT Level-3 Wireless Charger with Compact Secondary Coupler
Modeling, Design, and Experimental Verification of a WPT Level-3 Wireless Charger with Compact Secondary Coupler Open
This study introduces a wireless power transfer (WPT) Level-3 rated charger with >11 kW nominal output. The proposed system is interoperable for WPT Level-1, 2, and 3 charger applications of which power levels and airgap separations are de…
View article: Coil Power Density Optimization and Trade-off Study for a 100kW Electric Vehicle IPT Wireless Charging System
Coil Power Density Optimization and Trade-off Study for a 100kW Electric Vehicle IPT Wireless Charging System Open
This paper presents a trade–off study examining the impacts of modifying resonant frequency and coil current density on coil power density for a 100kW electric vehicle charging system. We find that power density can be increased significan…
View article: Design and Implementation of an Optimized 100 kW Stationary Wireless Charging System for EV Battery Recharging
Design and Implementation of an Optimized 100 kW Stationary Wireless Charging System for EV Battery Recharging Open
This paper presents the design, analyses and implementation of an optimized single stage high power wireless charging system capable of transferring 100 kW at an operating frequency of 22 kHz and a coil-to-coil distance of 5 inches.The det…
View article: Modeling, Simulation, and Experimental Verification of a 20-kW Series-Series Wireless Power Transfer System for a Toyota RAV4 Electric Vehicle
Modeling, Simulation, and Experimental Verification of a 20-kW Series-Series Wireless Power Transfer System for a Toyota RAV4 Electric Vehicle Open
Wireless power transfer is going to play a major role in transportation electrification due the convenience, flexibility, safety, and high-efficiency. Achieving high power levels is important in order to reduce the charge times and provide…
View article: Vehicular integration of wireless power transfer systems and hardware interoperability case studies
Vehicular integration of wireless power transfer systems and hardware interoperability case studies Open
Several wireless charging methods are under development or available as an aftermarket option in the light-duty automotive market. However, there are not a sufficient number of studies detailing the vehicle integration methods, particularl…
View article: Oak Ridge National Laboratory Wireless Charging of Electric Vehicles - CRADA Report
Oak Ridge National Laboratory Wireless Charging of Electric Vehicles - CRADA Report Open
Wireless power transfer (WPT) is a paradigm shift in electric-vehicle (EV) charging that offers the consumer an autonomous, safe, and convenient option to conductive charging and its attendant need for cables. With WPT, charging process ca…