JP2014521288A - 双方向誘導電力伝送システムのための負荷制御 - Google Patents
双方向誘導電力伝送システムのための負荷制御 Download PDFInfo
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- H—ELECTRICITY
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- 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
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- 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
- H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
- H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
- H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/79—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with 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
- H02M7/797—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with 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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- 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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- B60L2210/00—Converter types
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- B60L2210/30—AC to DC converters
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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
- B60L2210/40—DC to AC converters
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- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/008—Plural converter units for generating at two or more independent and non-parallel outputs, e.g. systems with plural point of load switching regulators
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- 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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- 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
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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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- Ac-Ac Conversion (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
【選択図】図2
Description
プライマリ側において、プライマリ側とセカンダリ側との間の電力伝送を感知するステップと、
電力伝送とプライマリ側の力の給電能力との差に比例して、プライマリ側の電力変換装置の動作周波数を同調周波数に対して変化させるステップと、
セカンダリ側において、動作周波数の前記変化を感知するステップと、
セカンダリ側において、プライマリ側の給電能力を超えないように、動作周波数の前記変化に比例して前記電力伝送を調整するステップと、
を含む。
使用時に、プライマリ側電力コンバータとプライマリ側電力コンバータを誘導結合可能な1以上のIPTピックアップとの間の電力伝送を感知するステップと、
電力伝送とプライマリ側電力コンバータの給電能力との差に比例して、プライマリ側電力コンバータの動作周波数を同調周波数に対して変化させ、それにより、前記ピックアップのそれぞれによって前記変化が感知され、前記電力伝送が調整される、ステップと、
を含む。
使用時に、ピックアップを誘導結合可能なIPTシステムのプライマリ側の交流電流の動作周波数の変化を感知するステップと、
使用時に、プライマリ側の給電能力を超えないように、同調周波数からの前記変化に比例して、ピックアップとピックアップを結合することができる負荷との間の電力伝送を調整するステップと、
を含む。
動作周波数と同調周波数との差を判断するステップと、
前記差に比例して電力伝送を調整するステップと
をさらに含む。
使用時に、プライマリ側電力コンバータとプライマリ側電力コンバータを誘導結合可能な1以上のIPTピックアップとの間の電力伝送を感知するための感知手段と、
前記電力伝送とプライマリ側電力コンバータの給電能力との差に比例して、プライマリ側電力コンバータの動作周波数を同調周波数に対して変化させ、それにより、前記ピックアップのそれぞれによって前記変化が感知され、前記電力伝送が調整される、制御手段と、
を含む。
式中、Mは、トラックインダクタンスLTとピックアップコイルインダクタンスLsiとの間の磁気結合を表す。
プライマリ側とピックアップ側の両方のLCL回路が角周波数ωに同調され、Lpi=LT、Lsi=Lsoである場合、
となる。
によって求められる。また、
という条件を満たす。
図2に示したIPTシステムの電力対周波数ドループ特性は、本発明のドループ制御技法にしたがって電力潮流を制御するために、周波数がどのように線形に変化し得るかを示す。この実施例および提供される他の実施例では、必ずしも線形変化するわけではなく、すなわち、動作周波数の変化は、電流電力伝送と給電能力との差に非線形比例することがある。
式中、df/dpは、必要に応じて変わり得る電力対周波数ドループである。システムの効率がηであると仮定される場合、ピックアップ電力Psは式(12)によってプライマリ電力Ppに関係付けられる。
ただし、
本発明の代替実施形態では、プライマリコントローラは、周期的または間欠的にトラック電流の周波数を変調するように適合され、ほとんどの時間にわたって同調周波数f0で動作する。したがって、本発明の第1の実施例は、(変化する)動作周波数を継続的に維持する、または動作周波数を少なくとも反復的に監視するということができるが、この第2の実施例では、変化する動作周波数と不変の同調周波数f0とが交互に生じる。
式中、VoutはDC出力電圧ωT=2πf0であり、θはVpiとVsoとの間の位相遅れである。
Claims (18)
- 誘導電力伝送(IPT)システムのプライマリ側電力コンバータにおいて使用するための制御方法であって、
使用時に、前記プライマリ側電力コンバータと前記プライマリ側電力コンバータを誘導結合可能な1以上のIPTピックアップとの間の電力伝送を感知するステップと、
前記電力伝送と前記プライマリ側電力コンバータの給電能力との差に比例して、前記プライマリ側電力コンバータの動作周波数を変化させて、特定のまたは各ピックアップによって前記変化を感知し、前記電力伝送を調整するステップと、を有する、
制御方法。 - 前記動作周波数を変化させる前記ステップが、前記動作周波数を増分ステップで変化させることを含む、請求項1に記載の方法。
- 前記動作周波数を変化させる前記ステップが、前記動作周波数を周期的に変化させることを含む、請求項1または請求項2に記載の方法。
- 前記動作周波数を変化させる前記ステップが、各期間の一部では前記動作周波数を維持することと、各期間の残りの部分では同調周波数に戻ることとを含む、請求項3に記載の方法。
- 前記同調周波数が、前記プライマリ側とセカンダリ側との両者の共振回路が同調される周波数である、請求項1〜4のいずれか一項に記載の方法。
- 前記電力伝送を継続的に監視することを含む、請求項1〜5のいずれか一項に記載の方法。
- 前記電力伝送を周期的に監視するステップを含む、請求項1〜5のいずれか一項に記載の方法。
- 前記動作周波数を前記同調周波数の所定の範囲内で変化させるステップを含む、請求項1〜7のいずれか一項に記載の方法。
- 誘導電力伝送プライマリ側電力コンバータであって、
使用時に、前記プライマリ側電力コンバータと前記プライマリ側電力コンバータを誘導結合可能な1以上のIPTピックアップとの間の電力伝送を感知するための感知手段と、
前記電力伝送と前記プライマリ側電力コンバータの給電能力との差に比例して、前記プライマリ側電力コンバータの動作周波数を同調周波数に対して変化させて、特定のまたは各ピックアップによって前記変化を感知し、前記電力伝送を調整する、制御手段と、
を含む、誘導電力伝送プライマリ側電力コンバータ。 - 前記動作周波数を増分ステップで変化させる、請求項9に記載の誘導電力伝送プライマリ側電力コンバータ。
- 前記制御手段が、前記動作周波数を周期的に変化させる、請求項9または請求項10に記載の誘導電力伝送プライマリ側電力コンバータ。
- 前記制御手段が、各期間の一部では前記動作周波数を維持し、各期間の残りの部分では前記同調周波数に戻る、請求項11に記載の誘導電力伝送プライマリ側電力コンバータ。
- 前記同調周波数が、前記プライマリ側とセカンダリ側との両者の共振回路が同調される周波数である、請求項9〜12のいずれか一項に記載の誘導電力伝送プライマリ側電力コンバータ。
- 前記制御手段が、前記電力伝送を継続的に監視する、請求項9〜13のいずれか一項に記載の誘導電力伝送プライマリ側電力コンバータ。
- 前記制御手段が、前記電力伝送を周期的に監視する、請求項9〜13のいずれか一項に記載の誘導電力伝送プライマリ側電力コンバータ。
- 前記制御手段が、前記動作周波数を前記同調周波数の所定の範囲内で変化させる、請求項9〜15のいずれか一項に記載の誘導電力伝送プライマリ側電力コンバータ。
- 添付の図面に示される実施形態のいずれか1つを参照して本明細書に実質的に記載された誘導電力伝送(IPT)システムのプライマリ側電力コンバータにおいて使用するための方法。
- 添付の図面に示される実施形態のいずれか1つを参照して本明細書に実質的に記載された誘導電力伝送プライマリ側電力コンバータ。
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JP2010198875A (ja) * | 2009-02-24 | 2010-09-09 | Panasonic Electric Works Co Ltd | 放電灯点灯装置及び照明器具 |
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JP2011120450A (ja) * | 2009-10-30 | 2011-06-16 | Tdk Corp | ワイヤレス給電装置、ワイヤレス電力伝送システムおよびそれらを利用したテーブルと卓上ランプ |
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WO2020250531A1 (ja) * | 2019-06-10 | 2020-12-17 | 株式会社京三製作所 | 電力変換装置 |
US11616454B2 (en) | 2019-06-10 | 2023-03-28 | Kyosan Electric Mfg. Co., Ltd. | Power conversion device |
TWI824135B (zh) * | 2019-06-10 | 2023-12-01 | 日商京三製作所股份有限公司 | 電力轉換裝置 |
Also Published As
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EP2724448A4 (en) | 2015-05-06 |
EP2724448A1 (en) | 2014-04-30 |
US10243409B2 (en) | 2019-03-26 |
KR101971203B1 (ko) | 2019-04-22 |
NZ593764A (en) | 2013-12-20 |
EP2724448B1 (en) | 2019-02-27 |
JP6991867B2 (ja) | 2022-01-13 |
KR20140103248A (ko) | 2014-08-26 |
JP6283309B2 (ja) | 2018-02-21 |
CN103814503A (zh) | 2014-05-21 |
US9660702B2 (en) | 2017-05-23 |
CN107472056B (zh) | 2020-08-21 |
CN107472056A (zh) | 2017-12-15 |
US20170229918A1 (en) | 2017-08-10 |
US20140203659A1 (en) | 2014-07-24 |
WO2013002651A1 (en) | 2013-01-03 |
JP2018085925A (ja) | 2018-05-31 |
CN103814503B (zh) | 2017-07-28 |
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