JP6275721B2 - ワイヤレス電力伝達システムにおける電源制御 - Google Patents
ワイヤレス電力伝達システムにおける電源制御 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power 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
- 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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- 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
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
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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
- B60L2210/00—Converter types
- B60L2210/30—AC to DC converters
-
- 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
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
-
- 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
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
-
- 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
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
-
- 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
- H02M7/4818—Resonant converters with means for adaptation of resonance frequency, e.g. by modification of capacitance or inductance of resonance circuits
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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
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Inverter Devices (AREA)
Description
102a、102b 基地ワイヤレス充電システム
104a、104b 基地システム誘導コイル
108 通信リンク
110 電力リンク
112 電気車両
114 電気車両ワイヤレス充電システム
116 電気車両誘導コイル
118 バッテリーユニット
130 ローカル分配センター
132 電力バックボーン
134 通信バックホール
200 ワイヤレス電力伝達システム
202 基地ワイヤレス電力充電システム
204 基地システム誘導コイル
205 基地充電システム同調回路
206 基地システム送信回路
208 電源
214 電気車両充電システム
216 電気車両誘導コイル
218 電気車両バッテリーユニット
221 電気車両充電システム同調回路
222 電気車両受信回路
236 基地充電システム電力変換器
238 電気車両電力変換器
300 ワイヤレス電力伝達システム
302 基地ワイヤレス充電システム
304 基地システム誘導コイル
314 電気車両充電システム
316 電気車両誘導コイル
336 基地充電システム電力変換器
338 電気車両電力変換器
342 基地充電システムコントローラ
344 電気車両コントローラ
352 基地充電位置合わせシステム
354 電気車両位置合わせシステム
354 基地充電システム電力インターフェース
362 基地充電案内システム
364 電気車両案内システム
366 案内リンク
372 基地充電通信システム
374 電気車両通信システム
376 通信リンク
400 基地システム
401 インバータ
402a、402b、402c、402d スイッチング素子
403a、403b、403c、403d ダイオード
404 直流(DC)電源
405 同調回路
406 第1のインダクタ
407 DCブロッキングキャパシタ
408 変圧器
409 同調キャパシタ
410 一次誘導素子
411 素子(負荷インピーダンスZL)
800 ワイヤレス電力伝達システム
801 DC電源
802 インバータ
803 基地システム送信回路
804 基地システム誘導コイル
805 電気車両受信回路
806 電気車両誘導コイル
807 電力コントローラ
Claims (14)
- ワイヤレス充電システムにおけるワイヤレス電力伝達のための装置であって、
調整可能な出力電圧を有する直流を供給する手段と、
前記調整可能な出力電圧を交流に変換する手段と、
前記変換する手段からの交流に基づくLCL回路網内の磁場を生成する手段であって、前記生成する手段は前記LCL回路網の第1の誘導素子を含む、手段と、
前記交流中の歪み信号を低減し1次高調波成分を維持し、第1の誘導素子内の前記交流を維持する手段であって、前記変換する手段はスイッチング素子を備え、歪み信号を低減する手段は、前記第1の誘導素子内の電流レベルの表示に応答して前記交流中の歪み信号を低減するように前記スイッチング素子の導通角を制御する手段を備える、手段と、
を含み、
前記供給する手段が、調整可能な出力電圧を有する直流DC電源を備え、
前記低減する手段は、前記DC電源の出力電圧を増大させ、前記導通角を90度から160度の範囲内で調整するように構成されたコントローラを備える、
装置。 - 前記変換する手段が、前記調整可能な出力電圧を交流に変換するように構成されたインバータを備え、
前記コントローラはさらに、前記交流中の歪み信号を低減するとともに1次高調波を維持し、前記第1の誘導素子内の交流を維持するようにさらに構成される、
請求項1に記載の装置。 - 前記歪み信号が、前記交流の3次高調波成分またはより高い奇数次高調波成分を含む、請求項2に記載の装置。
- 前記コントローラが、前記第1の誘導素子内の交流のレベルの表示を受信するように構成される、請求項1から3のいずれか一項に記載の装置。
- 前記交流のレベルが、前記第1の誘導素子内の電流の直接測定値に基づく、請求項4に記載の装置。
- 前記交流のレベルの表示が、前記第1の誘導素子によって生成された磁場によって第2の誘導素子内に誘起された電流の直接測定値に基づく、請求項4または5に記載の装置。
- 前記コントローラがさらに、前記DC電源の調整可能な出力電圧を制御するように構成される、請求項3に記載の装置。
- 前記コントローラが、
前記交流の全高調波歪みの低減、
前記インバータ内の伝導損失またはスイッチング損失の減少、
前記LCL回路網内の伝導損失の減少、
前記インバータのスイッチング素子によって生じる電流の調整、
のうちの少なくとも1つを引き起こすように、前記スイッチング素子の導通角を制御するように構成される、請求項2に記載の装置。 - 前記1次高調波を維持することが、前記交流の全高調波歪みを低減するように、前記スイッチング素子の導通角を120度から140度の範囲内で維持することを含む、請求項7または8に記載の装置。
- 前記コントローラが、電力需要に基づいて前記DC電源の調整可能な出力電圧を制御し、前記スイッチング素子の導通角を制御するように構成される、請求項7から9のいずれか一項に記載の装置。
- 前記コントローラが、前記DC電源の出力電圧を制御する前に、前記スイッチング素子の導通角を制御するように構成される、請求項7から10のいずれか一項に記載の装置。
- 前記LCL回路網が共振回路を含む、請求項2に記載の装置。
- 前記第1の誘導素子がワイヤレス電力受信機の共通の共振周波数に同調される、請求項2に記載の装置。
- ワイヤレス充電システムにおけるワイヤレス電力伝達を制御する方法であって、
調整可能な出力電圧を有する直流をインバータに供給するステップと、
前記調整可能な出力電圧を交流に変換するステップと、
LCL回路網の第1の誘導素子に前記交流を供給するステップと、
前記交流中の歪み信号を低減するとともに1次高調波成分を維持し、前記第1の誘導素子内の交流を維持するように、前記直流の調整可能な出力電圧を制御するステップであって、前記制御するステップは、前記第1の誘導素子内の電流レベルの表示に応答して前記交流中の歪み信号を低減するようにスイッチング素子の導通角を制御するステップを含み、前記低減するステップは、DC電源の出力電圧を増大させ、前記導通角を90度から160度の範囲内で調整するステップを含む、ステップと、
誘導素子にワイヤレス電力を伝達するための磁場を生成するステップとを含む、方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US201261692897P | 2012-08-24 | 2012-08-24 | |
US61/692,897 | 2012-08-24 | ||
US13/828,831 | 2013-03-14 | ||
US13/828,831 US9859956B2 (en) | 2012-08-24 | 2013-03-14 | Power supply control in wireless power transfer systems |
PCT/US2013/056022 WO2014031766A2 (en) | 2012-08-24 | 2013-08-21 | Power supply control in wireless power transfer systems |
Publications (3)
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JP2015536123A JP2015536123A (ja) | 2015-12-17 |
JP2015536123A5 JP2015536123A5 (ja) | 2016-09-29 |
JP6275721B2 true JP6275721B2 (ja) | 2018-02-07 |
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JP2015528626A Active JP6275721B2 (ja) | 2012-08-24 | 2013-08-21 | ワイヤレス電力伝達システムにおける電源制御 |
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US (1) | US9859956B2 (ja) |
EP (1) | EP2888797B1 (ja) |
JP (1) | JP6275721B2 (ja) |
KR (1) | KR20150046114A (ja) |
CN (1) | CN104541430B (ja) |
WO (1) | WO2014031766A2 (ja) |
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