JP6350399B2 - 非接触送電装置及び電力伝送システム - Google Patents
非接触送電装置及び電力伝送システム Download PDFInfo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
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- 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
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
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- 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
- H02J3/00—Circuit arrangements for AC mains or AC distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
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- H02J5/005—
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- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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- H02J7/025—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from AC input or output
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
- H02M7/12—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
- H02M7/53871—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current
- H02M7/53878—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration with automatic control of output voltage or current by time shifting switching signals of one diagonal pair of the bridge with respect to the other diagonal pair
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
- H02M1/0058—Transistor switching losses by employing soft switching techniques, i.e. commutation of transistors when applied voltage is zero or when current flow is zero
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/4815—Resonant converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Inverter Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
図1は、この発明の実施の形態1による非接触送電装置が適用される電力伝送システムの全体構成図である。図1を参照して、この電力伝送システムは、送電装置10と、受電装置20とを備える。受電装置20は、たとえば、送電装置10から供給され蓄えられた電力を用いて走行可能な車両等に搭載され得る。
ここで、I1は送電部240に流れる電流を示し、I2は受電部310に流れる電流を示す。受電電力が一定であれば電流I2はほぼ一定となるので、電力伝送効率ηは、電流I1の2乗に反比例することが式(1)から分かる。
上述のように、インバータ220のターンオン電流は、インバータ220においてリカバリー電流が生じない範囲に制御され、基本的には0以下の所定値に制御される。ここで、送電電力が一定の下では、ターンオン電流が上記の所定値(たとえば0)となるインバータ220の動作点(駆動周波数)は、実際には2点存在する(詳しくは後述)。この実施の形態2では、この2つの動作点のうち、送電部240に流れる電流I1が小さくなる方の動作点を、インバータ220の起動処理実行時における初期動作点(駆動周波数の初期調整点)とする。
以上のように、この実施の形態2においては、インバータ220の起動処理の実行時に、目標電力Psr及びターンオン電流目標値Itr(初期値)を実現する2つの駆動周波数のうち送電部240に流れる電流I1の大きさが小さくなる方の周波数にインバータ220の駆動周波数が調整される。そして、インバータ220においてリカバリー電流が生じない範囲で、電流I1の大きさが低下するようにターンオン電流の目標値Itrが変更される。これにより、インバータ220の起動後に、送電部240に流れる電流I1を速やかに低下させることができる。したがって、この実施の形態2によれば、インバータ220の起動後、リカバリー電流が生じない範囲で電力伝送効率を速やかに高めることができる。
上記の各実施の形態1,2では、送電電力を目標電力に制御しつつ、インバータ220においてリカバリー電流が生じない範囲で、送電部240に流れる電流I1の大きさが低下するように動作点を変更(ターンオン電流目標値を変更)するものとしたが、電流I1に代えてインバータ220の出力電流Ioを用いてもよい。すなわち、送電電力を目標電力に制御しつつリカバリー電流が生じない範囲において、インバータ220の出力電流Ioの大きさが低下するように動作点を変更(ターンオン電流目標値を変更)するようにしてもよい。
Claims (6)
- 受電装置へ非接触で送電するように構成された送電部と、
駆動周波数に応じた送電電力を前記送電部へ供給する電圧形のインバータと、
前記インバータを制御する制御部とを備え、
前記制御部は、
前記インバータの出力電圧のデューティを調整することによって前記送電電力を目標電力に制御する第1の制御と、
前記駆動周波数を調整することによって、前記出力電圧の立上り時における前記インバータの出力電流を示すターンオン電流を制御する第2の制御とを実行し、
前記制御部は、前記第1の制御により前記送電電力を前記目標電力に制御しつつ、前記ターンオン電流が所定の制限値以下となる範囲において、前記インバータから前記送電部へ供給される電流が低下するように前記デューティ及び前記駆動周波数を調整する、非接触送電装置。 - 前記制御部は、前記第1の制御により前記送電電力を前記目標電力に制御しつつ、前記ターンオン電流が前記制限値以下となる範囲において、前記インバータから前記送電部へ供給される電流が最小となるように前記デューティ及び前記駆動周波数を調整する、請求項1に記載の非接触送電装置。
- 前記送電電力が一定の下で、前記ターンオン電流が前記制限値以下の所定値となる前記駆動周波数が2点存在する場合に、
前記制御部は、前記インバータの起動処理の実行時に、前記2つの駆動周波数のうち前記インバータから前記送電部へ供給される電流の大きさが小さくなる方の駆動周波数を、前記第2の制御における前記駆動周波数の初期調整値とする、請求項1又は請求項2に記載の非接触送電装置。 - 送電装置と、
受電装置とを備え、
前記送電装置は、
受電装置へ非接触で送電するように構成された送電部と、
駆動周波数に応じた送電電力を前記送電部へ供給する電圧形のインバータと、
前記インバータを制御する制御部とを備え、
前記制御部は、
前記インバータの出力電圧のデューティを調整することによって前記送電電力を目標電力に制御する第1の制御と、
前記駆動周波数を調整することによって、前記出力電圧の立上り時における前記インバータの出力電流を示すターンオン電流を制御する第2の制御とを実行し、
前記制御部は、前記第1の制御により前記送電電力を前記目標電力に制御しつつ、前記ターンオン電流が所定の制限値以下となる範囲において、前記インバータから前記送電部へ供給される電流が低下するように前記デューティ及び前記駆動周波数を調整する、電力伝送システム。 - 前記制御部は、前記第1の制御により前記送電電力を前記目標電力に制御しつつ、前記ターンオン電流が前記制限値以下となる範囲において、前記インバータから前記送電部へ供給される電流が最小となるように前記デューティ及び前記駆動周波数を調整する、請求項4に記載の電力伝送システム。
- 前記送電電力が一定の下で、前記ターンオン電流が前記制限値以下の所定値となる前記駆動周波数が2点存在する場合に、
前記制御部は、前記インバータの起動処理の実行時に、前記2つの駆動周波数のうち前記インバータから前記送電部へ供給される電流の大きさが小さくなる方の駆動周波数を、前記第2の制御における前記駆動周波数の初期調整値とする、請求項4又は請求項5に記載の電力伝送システム。
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015117277A JP6350399B2 (ja) | 2015-06-10 | 2015-06-10 | 非接触送電装置及び電力伝送システム |
| US15/172,792 US10498170B2 (en) | 2015-06-10 | 2016-06-03 | Non-contact electric power transmitting device and electric power transfer system |
| MYPI2016702056A MY174786A (en) | 2015-06-10 | 2016-06-03 | Non-contact electric power transmitting device and electric power transfer system |
| CN201610405216.5A CN106253656B (zh) | 2015-06-10 | 2016-06-08 | 非接触送电装置和电力传送系统 |
| EP16173518.8A EP3104493B1 (en) | 2015-06-10 | 2016-06-08 | Non-contact electric power transmitting device and electric power transfer system |
| CA2932518A CA2932518C (en) | 2015-06-10 | 2016-06-08 | Non-contact electric power transmitting device and electric power transfer system |
| BR102016013113-8A BR102016013113B1 (pt) | 2015-06-10 | 2016-06-08 | Dispositivo transmissor de energia elétrica sem contato e sistema de transferência de energia elétrica |
| RU2016122632A RU2635381C1 (ru) | 2015-06-10 | 2016-06-08 | Бесконтактное устройство передачи электрической энергии и система передачи электрической энергии |
| KR1020160071967A KR101853825B1 (ko) | 2015-06-10 | 2016-06-09 | 비접촉 송전 장치 및 전력 전송 시스템 |
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| JP2015117277A JP6350399B2 (ja) | 2015-06-10 | 2015-06-10 | 非接触送電装置及び電力伝送システム |
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| JP2017005865A JP2017005865A (ja) | 2017-01-05 |
| JP6350399B2 true JP6350399B2 (ja) | 2018-07-04 |
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| US (1) | US10498170B2 (ja) |
| EP (1) | EP3104493B1 (ja) |
| JP (1) | JP6350399B2 (ja) |
| KR (1) | KR101853825B1 (ja) |
| CN (1) | CN106253656B (ja) |
| BR (1) | BR102016013113B1 (ja) |
| CA (1) | CA2932518C (ja) |
| MY (1) | MY174786A (ja) |
| RU (1) | RU2635381C1 (ja) |
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| US9819215B2 (en) * | 2015-07-17 | 2017-11-14 | Hon Hai Precision Industry Co., Ltd. | Wireless charging system |
| JP6299779B2 (ja) | 2016-02-02 | 2018-03-28 | トヨタ自動車株式会社 | 送電装置及び電力伝送システム |
| US10919401B2 (en) * | 2017-01-12 | 2021-02-16 | Ford Global Technologies, Llc | Integrated wireless power transfer system |
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| EP3104493B1 (en) | 2017-10-04 |
| US20160365752A1 (en) | 2016-12-15 |
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