JP6602868B2 - 適応的なワイヤレス電力伝送のためのシステム、装置、および方法 - Google Patents
適応的なワイヤレス電力伝送のためのシステム、装置、および方法 Download PDFInfo
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Classifications
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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
- B60L53/122—Circuits or methods for driving the primary coil, e.g. supplying electric power to the coil
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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
- 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
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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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
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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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
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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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/337—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration
- H02M3/3376—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration with automatic control of output voltage or current
-
- 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
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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
- H02J50/80—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
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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
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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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- 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
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- 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
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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
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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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
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- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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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)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
AC 交流
車両 バッテリー電気車両
CB 充電ベース
DC 直流
EV 電気車両
FB フルブリッジ
FDX 全二重
FET 電界効果トランジスタ
G2V グリッドツービークル
HB ハーフブリッジ
HDX 半二重
IGBT 絶縁ゲートバイポーラトランジスタ
IPT 誘導電力伝送
ISM 産業科学医療用バンド
LF 低周波
PWM パルス幅変調
r.m.s 二乗平均平方根
VLF 超低周波
V2G ビークルツーグリッド
ZSC ゼロ電流スイッチング
式1 1:n1=VSOURCE:V1
ここで、VSOURCEおよびV1はそれぞれ、DC入力電圧およびAC出力における基本周波数のr.m.s電圧を示す。
式2 n2:1=V2:VBAT
ここで、V2およびVBATはそれぞれ、AC入力における基本周波数のr.m.s電圧およびDC出力電圧を示す。
対応する電流は、逆数の比で変換される。
DC電圧で駆動されるインバータは直列同調された一次側に対して最適であるが、DC電流源で駆動されるインバータは並列同調された一次側に対して最適であることを、当業者は理解するであろう。それに対応して、DC電圧負荷を有する整流器は直列同調された二次側に対して最適であるが、DC電流負荷を有する整流器は並列同調された二次側に対して最適である。
式13 ΔIbat=Ibat-Ibat,target
ΔIbatは、加算器1046から出力され、二次PWMデューティ比コントローラ1048に入力される。一次電流I1が最大一次電流I1maxを決して超えないことを確実にするために、二次PWMデューティ比コントローラ1048はまた、加算器1050から入力を受け取り、加算器1050は、通信リンクを介して一次サブシステムから受け取られた一次電流I1の値を、以下に従って最大一次電流I1maxと比較する。
式14 ΔI1=I1-I1max
式15 ΔI21=I2-(I1 x ki)
102 車両
104 充電ベース
106 駐車エリア
108 ローカル配電所
110 電力バックボーン
112 充電ベース電力変換
114 一次結合器
116 EV電力変換および充電システム
118 二次結合器
120 ACまたはDC電源
200 ワイヤレス電力伝送システム
212 一次電力変換
214 一次結合器
216 二次電力変換
218 二次結合器
220 電源
222 EVバッテリー
230 インフラストラクチャシステム部
240 車両システム部
300 ワイヤレス電力伝送システム
312 一次電力変換器
314 一次結合器
316 二次電力変換器
318 二次結合器
320 一次電力インターフェース
324 一次通信インターフェース
326 一次CU
328 一次通信ユニット
330 一次誘導ユニット
332 一次整列
334 通信リンク
336 誘導リンク
338 二次通信ユニット
340 二次誘導ユニット
342 二次整列ユニット
344 二次CU
346 二次通信インターフェース
348 二次電力インターフェース
400 周波数スペクトル
500 駐車場
502 矢印
503 矢印
504 ワイヤレス電力二次結合器
505 車両
506 充電ベース
507 駐車スペース
600 ワイヤレス電力伝送システム
602 キャパシタ
606 直列接続キャパシタ
612 一次電力変換モジュール
614 一次結合器
616 二次電力変換モジュール
618 結合器
620 電源
622 負荷
700 ワイヤレス電力伝送システム
800 ハーフブリッジ構成
1000 ワイヤレス電力伝送システム
1002 キャパシタ
1006 キャパシタ
1012 一次電力変換器
1014 一次結合器
1016 二次電力変換器
1018 二次結合器
1020 電源
1030 一次コントローラ
1032 PWM生成器
1034 電流センサ
1036 電流センサ
1038 電流センサ
1040 電圧センサ
1042 二次コントローラ
1044 目標DC出力電流計算器
1046 加算器
1048 二次PWMデューティ比コントローラ
1050 加算器
1052 PWM生成器
1054 ブリッジモードおよび電流比コントローラ
1056 同期器
1058 乗算器
1060 加算器
1062 一次PWMデューティ比コントローラ
1100 状態図
1102 アイドル状態
1104 システム開始要求
1106 ハーフブリッジモード
1108 安定状態
1110 ハーフブリッジモード
1112 フルブリッジモード
1200 フローチャート
1300 フローチャート
Claims (15)
- ワイヤレス電力トランスミッタからワイヤレスに電力を受電するための装置であって、
結合器に動作可能に接続され、第1のデューティ比に対応する第1のブリッジモードおよび第2のデューティ比に対応する第2のブリッジモードで動作するように構成される、アクティブスイッチング整流器と、
コントローラとを備え、前記コントローラが、
前記アクティブスイッチング整流器が前記第1のブリッジモードで動作するときに、第1のワイヤレス電力伝送効率をもたらす第1の値へと前記アクティブスイッチング整流器の入力抵抗を調整し、
前記アクティブスイッチング整流器が前記第2のブリッジモードで動作するときに、1つまたは複数の動作の制約の中で動作する間に前記第1のワイヤレス電力伝送効率より低い第2のワイヤレス電力伝送効率をもたらす第2の値へと前記アクティブスイッチング整流器の前記入力抵抗を調整する
ように構成される、装置。 - 前記第1のブリッジモードがハーフブリッジモードであり、前記アクティブスイッチング整流器の前記入力抵抗の前記第2の値が、前記結合器が基本的に直列同調されている場合、前記第1の値より大きい、請求項1に記載の装置。
- 前記第1のブリッジモードがフルブリッジモードであり、前記アクティブスイッチング整流器の前記入力抵抗の前記第2の値が、前記結合器が基本的に並列同調されている場合、前記第1の値より小さい、請求項1に記載の装置。
- 前記コントローラが、前記ワイヤレス電力トランスミッタにおける電流に基づいて、前記アクティブスイッチング整流器の前記第1のデューティ比および前記第2のデューティ比の一方または両方を調整するように構成される、請求項1に記載の装置。
- 前記コントローラが、前記アクティブスイッチング整流器の前記第1のデューティ比および前記第2のデューティ比の一方または両方と、関連する最大の許容可能なデューティ比および関連する最小の許容可能なデューティ比の一方または両方との比較に基づいて、前記アクティブスイッチング整流器の前記第1のブリッジモードと前記第2のブリッジモードのうちの1つを選択するように構成される、請求項1に記載の装置。
- 前記コントローラが、前記ワイヤレス電力トランスミッタ中のインバータの前記第1のデューティ比および前記第2のデューティ比の一方または両方と、関連する最大の許容可能なデューティ比および関連する最小の許容可能なデューティ比の一方または両方との比較に基づいて、前記アクティブスイッチング整流器の前記第1のブリッジモードと前記第2のブリッジモードのうちの1つを選択するように構成される、請求項1に記載の装置。
- 前記第1のワイヤレス電力伝送効率が、前記アクティブスイッチング整流器の前記入力抵抗が前記第1の値を有し前記アクティブスイッチング整流器が前記第1のブリッジモードで動作しているときの、実質的に最大の達成可能なワイヤレス電力伝送効率である、請求項1に記載の装置。
- 前記コントローラが、前記アクティブスイッチング整流器の前記入力抵抗を調整するために、前記装置に流れる電流と前記ワイヤレス電力トランスミッタに流れる電流との比を調整するように構成される、請求項1に記載の装置。
- ワイヤレス電力トランスミッタからワイヤレスに電力を受電するための方法であって、
結合器に動作可能に接続されるアクティブスイッチング整流器が第1のブリッジモードで動作するときに、第1のワイヤレス電力伝送効率をもたらす第1の値へと前記アクティブスイッチング整流器の入力抵抗を調整するステップであって、前記アクティブスイッチング整流器が、第1のデューティ比に対応する前記第1のブリッジモードおよび第2のデューティ比に対応する第2のブリッジモードで動作するように構成される、ステップと、
前記アクティブスイッチング整流器が前記第2のブリッジモードで動作するときに、1つまたは複数の動作の制約の中で動作する間に前記第1のワイヤレス電力伝送効率より低い第2のワイヤレス電力伝送効率をもたらす第2の値へと前記アクティブスイッチング整流器の前記入力抵抗を調整するステップと、
前記ワイヤレス電力トランスミッタからワイヤレス電力を受電するステップとを備える、方法。 - 前記第1のブリッジモードがハーフブリッジモードであり、前記アクティブスイッチング整流器の前記入力抵抗の前記第2の値が、前記結合器が基本的に直列同調されている場合、前記第1の値より大きい、または、前記第1のブリッジモードがフルブリッジモードであり、前記アクティブスイッチング整流器の前記入力抵抗の前記第2の値が、前記結合器が基本的に並列同調されている場合、前記第1の値より小さい、請求項9に記載の方法。
- 前記ワイヤレス電力トランスミッタにおける電流に基づいて、前記アクティブスイッチング整流器の前記第1のデューティ比および前記第2のデューティ比の一方または両方を調整するステップをさらに備える、請求項9に記載の方法。
- 前記アクティブスイッチング整流器の前記第1のデューティ比および前記第2のデューティ比の一方または両方と、関連する最大の許容可能なデューティ比および関連する最小の許容可能なデューティ比の一方または両方との比較に基づいて、前記アクティブスイッチング整流器の前記第1のブリッジモードと前記第2のブリッジモードのうちの1つを選択するステップ、または、前記ワイヤレス電力トランスミッタ中のインバータの前記第1のデューティ比および前記第2のデューティ比の一方または両方と、関連する最大の許容可能なデューティ比および関連する最小の許容可能なデューティ比の一方または両方との比較に基づいて、前記アクティブスイッチング整流器の前記第1のブリッジモードと前記第2のブリッジモードのうちの1つを選択するステップをさらに備える、請求項9に記載の方法。
- 前記第1のワイヤレス電力伝送効率が、前記アクティブスイッチング整流器の前記入力抵抗が前記第1の値を有し前記アクティブスイッチング整流器が前記第1のブリッジモードで動作しているときの、実質的に最大の達成可能なワイヤレス電力伝送効率である、請求項9に記載の方法。
- 前記アクティブスイッチング整流器の前記入力抵抗を調整するために、装置に流れる電流と前記ワイヤレス電力トランスミッタに流れる電流との比を調整するステップを備える、請求項9に記載の方法。
- コードを備えるコンピュータ可読記憶媒体であって、前記コードが、実行されると、ワイヤレス電力トランスミッタからワイヤレスに電力を受電するように構成される装置に、請求項9から14のいずれか一項に記載の方法を実施することを行わせる、コンピュータ可読記憶媒体。
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