JP2013030973A - 電源装置、非接触送電装置、車両、および非接触電力伝送システム - Google Patents
電源装置、非接触送電装置、車両、および非接触電力伝送システム Download PDFInfo
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- B60L2210/00—Converter types
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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
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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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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- 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
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- 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
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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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Abstract
【解決手段】電源装置20は、チョークコイル210と、スイッチング素子220と、共振回路250と、補償回路260とを含む。スイッチング素子220の寄生容量270は、E級零電圧スイッチングを実現するための所定の容量よりも大きい。補償回路260は、スイッチング素子220に並列に接続される。補償回路260は、直列接続されたコイル262およびキャパシタ264を含み、誘導性インピーダンスを有する。
【選択図】図3
Description
また、この発明によれば、車両は、車両外部の負荷へ電力を非接触で出力する車両であって、蓄電装置と、電源部と、共鳴部とを備える。電源部は、蓄電装置から電力を受けて交流電力を生成する。共鳴部は、電源部から供給される交流電力を負荷側の受電用共鳴部へ非接触で出力するように構成される。共鳴部の固有周波数は、受電用共鳴部の固有周波数と同じである。電源部は、増幅回路と、補償回路とを含む。増幅回路は、スイッチング素子を含む。スイッチング素子の寄生容量は、E級零電圧スイッチングを実現するための所定の容量よりも大きい。補償回路は、スイッチング素子に並列に接続され、誘導性インピーダンスを有する。
図1は、この発明による電源装置が適用される非接触電力伝送システムの全体構成図である。図1を参照して、この非接触電力伝送システムは、送電装置100と、車両200とを備える。送電装置100は、パワーコントローラ10と、電源装置20と、共鳴ユニット30とを含む。車両200は、共鳴ユニット50と、整流回路60と、蓄電装置70と、動力生成装置80とを含む。
ここで、ω=2πfであり、fは作動周波数を示し、Rは負荷の大きさを示す。スイッチング素子は寄生容量を有するので、スイッチング素子に並列に接続されるキャパシタの容量については、上記の算出値からスイッチング素子の寄生容量を差引く必要がある。
車両外部へ電力を出力可能に構成された車両に、本発明の電源装置を適用することも可能である。
Claims (16)
- 寄生容量がE級零電圧スイッチングを実現するための所定の容量よりも大きいスイッチング素子を含む増幅回路と、
前記スイッチング素子に並列に接続され、誘導性インピーダンスを有する補償回路とを備える電源装置。 - 前記増幅回路は、
前記スイッチング素子と、
前記スイッチング素子と直流電源との間に接続される第1のインダクタと、
前記第1のインダクタおよび前記スイッチング素子間の接続ノードと当該増幅回路に接続される負荷との間に接続される共振回路とを含む、請求項1に記載の電源装置。 - 前記補償回路は、直列接続された第2のインダクタおよび容量素子を含む、請求項2に記載の電源装置。
- 前記第2のインダクタのインダクタンスは、前記第2のインダクタと前記スイッチング素子の寄生容量とによって形成される回路の共振周波数が前記スイッチング素子のスイッチング周波数と同等になるように設定される、請求項3に記載の電源装置。
- 前記所定の容量は、前記スイッチング素子のスイッチング周波数および前記増幅回路に接続される負荷によって決定される、請求項1から4のいずれかに記載の電源装置。
- 前記スイッチング素子は、互いに並列接続された複数のスイッチング素子によって構成される、請求項1から5のいずれかに記載の電源装置。
- 受電装置へ電力を非接触で出力する非接触送電装置であって、
交流電力を生成する電源部と、
前記電源部から供給される交流電力を前記受電装置の受電用共鳴部へ非接触で出力するように構成された送電用共鳴部とを備え、
前記送電用共鳴部の固有周波数は、前記受電用共鳴部の固有周波数と同じであり、
前記電源部は、
寄生容量がE級零電圧スイッチングを実現するための所定の容量よりも大きいスイッチング素子を含む増幅回路と、
前記スイッチング素子に並列に接続され、誘導性インピーダンスを有する補償回路とを含む、非接触送電装置。 - 前記増幅回路は、
前記スイッチング素子と、
前記スイッチング素子と直流電源との間に接続される第1のインダクタと、
前記第1のインダクタおよび前記スイッチング素子間の接続ノードと前記送電用共鳴部との間に接続される共振回路とを含む、請求項7に記載の非接触送電装置。 - 前記補償回路は、直列接続された第2のインダクタおよび容量素子を含む、請求項8に記載の非接触送電装置。
- 前記第2のインダクタのインダクタンスは、前記第2のインダクタと前記スイッチング素子の寄生容量とによって形成される回路の共振周波数が前記スイッチング素子のスイッチング周波数と同等になるように設定される、請求項9に記載の非接触送電装置。
- 前記所定の容量は、前記スイッチング素子のスイッチング周波数および前記増幅回路に接続される負荷によって決定される、請求項7から10のいずれかに記載の非接触送電装置。
- 前記スイッチング素子は、互いに並列接続された複数のスイッチング素子によって構成される、請求項7から11のいずれかに記載の非接触送電装置。
- 前記送電用共鳴部は、前記送電用共鳴部と前記受電用共鳴部との間に形成され、かつ、特定の周波数で振動する磁界と、前記送電用共鳴部と前記受電用共鳴部との間に形成され、かつ、特定の周波数で振動する電界との少なくとも一方を通じて前記受電用共鳴部へ送電する、請求項7から12のいずれかに記載の非接触送電装置。
- 前記送電用共鳴部と前記受電用共鳴部との結合係数は、0.1以下である、請求項7から13のいずれかに記載の非接触送電装置。
- 車両外部の負荷へ電力を非接触で出力する車両であって、
蓄電装置と、
前記蓄電装置から電力を受けて交流電力を生成する電源部と、
前記電源部から供給される交流電力を前記負荷側の受電用共鳴部へ非接触で出力するように構成された共鳴部とを備え、
前記共鳴部の固有周波数は、前記受電用共鳴部の固有周波数と同じであり、
前記電源部は、
寄生容量がE級零電圧スイッチングを実現するための所定の容量よりも大きいスイッチング素子を含む増幅回路と、
前記スイッチング素子に並列に接続され、誘導性インピーダンスを有する補償回路とを含む、車両。 - 送電装置から受電装置へ非接触で電力を伝送する非接触電力伝送システムであって、
前記送電装置は、
交流電力を生成する電源部と、
前記電源部から供給される交流電力を前記受電装置へ非接触で出力するように構成された送電用共鳴部とを備え、
前記受電装置は、前記送電用共鳴部から出力される電力を非接触で受電するように構成された受電用共鳴部を備え、
前記受電用共鳴部の固有周波数は、前記送電用共鳴部の固有周波数と同じであり、
前記電源部は、
寄生容量がE級零電圧スイッチングを実現するための所定の容量よりも大きいスイッチング素子を含む増幅回路と、
前記スイッチング素子に並列に接続され、誘導性インピーダンスを有する補償回路とを含む、非接触電力伝送システム。
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JP2011165524A JP2013030973A (ja) | 2011-07-28 | 2011-07-28 | 電源装置、非接触送電装置、車両、および非接触電力伝送システム |
US14/234,409 US20140175868A1 (en) | 2011-07-28 | 2012-07-25 | Electric power supply apparatus, contactless electricity transmission apparatus, vehicle, and contactless electric power transfer system |
PCT/IB2012/001433 WO2013014521A1 (en) | 2011-07-28 | 2012-07-25 | Electric power supply apparatus, contactless electricity transmission apparatus, vehicle, and contactless electric power transfer system |
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