[go: up one dir, main page]

de Miranda et al., 2019 - Google Patents

Alternative configuration of open-bifilar coil for self-resonant wireless power transfer system

de Miranda et al., 2019

Document ID
16923290248830002386
Author
de Miranda C
Pichorim S
Publication year
Publication venue
2019 IEEE Wireless Power Transfer Conference (WPTC)

External Links

Snippet

The use of self-resonant coils for wireless power transfer is a promising field since it avoids the use of a real capacitor. It is known that the classical inductor model leads to a parallel- circuit resonance with maximum impedance at resonant frequency. However, series …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2895—Windings disposed upon ring cores
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/022—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters characterised by the type of converter
    • H02J7/025—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters characterised by the type of converter using non-contact coupling, e.g. inductive, capacitive
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/02—Adaptations of transformers or inductances for specific applications or functions for non-linear operation
    • H01F38/023—Adaptations of transformers or inductances for specific applications or functions for non-linear operation of inductances
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F3/00—Cores, Yokes, or armatures
    • H01F3/10—Composite arrangements of magnetic circuits
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00—Fixed transformers not covered by group H01F19/00
    • H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H01F30/16—Toroidal transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J5/00—Circuit arrangements for transfer of electric power between ac networks and dc networks
    • H02J5/005—Circuit arrangements for transfer of electric power between ac networks and dc networks with inductive power transfer
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F17/00—Fixed inductances of the signal type
    • H—ELECTRICITY
    • H01—BASIC ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type

Similar Documents

Publication Publication Date Title
de Miranda et al. A self-resonant two-coil wireless power transfer system using open bifilar coils
Ongayo et al. Comparison of circular and rectangular coil transformer parameters for wireless Power Transfer based on Finite Element Analysis
Park et al. Innovative 5-m-off-distance inductive power transfer systems with optimally shaped dipole coils
Lu et al. Systematic design of coils in series–series inductive power transfer for power transferability and efficiency
US20230253947A1 (en) Matching Networks, Inductors, and Coupled-Inductor Capacitive Wireless Power Transfer Circuit and Related Techniques
Park et al. 5m-off-long-distance inductive power transfer system using optimum shaped dipole coils
CN109941128B (en) A voltage optimization method for electric vehicle wireless charging technology with electric field coupling
Al-Saadi et al. Comparison of spiral and square coil configurations in wireless power transfer system for contactless battery charging
Lee et al. Impedance transformers for compact and robust coupled magnetic resonance systems
Boys et al. Pick-up transformer for ICPT applications
WO2019164589A9 (en) Capacitive wireless power transfer circuit and related techniques
Sinha et al. Comparison of large air-gap inductive and capacitive wireless power transfer systems
de Miranda et al. Alternative configuration of open-bifilar coil for self-resonant wireless power transfer system
Wang et al. An inductive power transfer system with multiple receivers utilizing diverted magnetic field and two transmitters for IoT-level automatic catering vehicles
Yamamoto et al. A study on the circuit configuration with capacitors to compensate the power factor for high-power contactless power transformer
Movagharnejad et al. Design optimization of various contactless power transformer topologies for wireless charging of electric vehicles
Hanawa et al. Proposal of ferrite-less and capacitor-less 85 khz four-layer coil for stationary wireless power transfer
Chen et al. Decoupling design of multi-coil wireless power transfer system with metal insulator
Huh et al. Explicit static circuit model of coupled magnetic resonance system
Biswal et al. Parameter trade-off between electric load, quality factor and coupling coefficient for performance enrichment of wireless power transfer system
Tran et al. Design and implementation of high efficiency Wireless Power Transfer system for on-board charger of Electric Vehicle
US11017941B2 (en) Isolation transformer with low unwanted resonances, energy transfer device having an isolation transformer and energy transfer device for wireless transfer of energy having an isolation transformer
Imaoka et al. Magnetic design method for multi-material powder core inductor to improve efficiency of bidirectional DC/DC converter within wide load range
US10985574B2 (en) Resonant power transfer
Turki et al. Impact of the working frequency on wireless power transfer systems