JP5621193B2 - 電力変換装置 - Google Patents
電力変換装置 Download PDFInfo
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- H—ELECTRICITY
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- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
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- 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
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- B60L53/20—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 converters located in the vehicle
- B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
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- 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
- H02M3/33569—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 having several active switching elements
- H02M3/33576—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 having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33592—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 having several active switching elements having at least one active switching element at the secondary side of an isolation transformer having a synchronous rectifier circuit or a synchronous freewheeling circuit at the secondary side of an isolation transformer
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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
- H02M3/337—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
- H02M3/3372—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 of the parallel 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
- B60L2210/00—Converter types
- B60L2210/10—DC 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
- B60L2210/30—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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
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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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- 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
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- 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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- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Description
図1は、本発明の第1の実施形態に係る電力変換装置1Aの構成を示す回路図である。本実施形態の電力変換装置1Aは、交流電源2と第1バッテリ3のいずれか一方と第2バッテリ4との間でトランスを介して電力授受を行うものであり、例えば、電気自動車に搭載される電力変換装置として好適なものである。この電力変換装置1Aを電気自動車に搭載する場合、例えば、交流電源2は単相100Vrmsの外部電源、第1バッテリ3が補機駆動用の低電圧バッテリ(例えば12V鉛バッテリ)、第2バッテリ4が300Vクラスの強電バッテリとなり、外部電源から強電バッテリに充電する機能と、強電バッテリの出力を降圧して補機駆動用の低電圧バッテリに充電する機能とを、この電力変換装置1Aにより実現する。電気自動車の強電バッテリはアース(車体)から絶縁されており、例え+−のいずれか一方を触れることがあっても、それだけでは感電しないような安全設計になっている。一方で、低電圧バッテリは車体にアースがとられており、交流電源も片側はアースであるため、強電バッテリとはトランスを介して絶縁している。なお、本発明の電力変換装置は、以上のような電気自動車用だけでなく、複数の電圧と出力電圧との間でトランスを介して電力授受を行うための電力変換装置として広く適用可能であり、複数の電圧と出力電圧との組み合わせとしては、電源とバッテリとの組み合わせだけでなく、例えば電源と負荷との組み合わせや、バッテリと負荷との組み合わせなども考えられる。
γ1=電力指令a/(電力指令a+電力指令b)
次に、本発明の第2の実施形態について説明する。
次に、本発明の第3の実施形態について説明する。
次に、本発明の第4の実施形態について説明する。
2 交流電源
3 第1バッテリ
4 第2バッテリ
11 整流器
13 インバータ回路(第1のスイッチ回路)
14 共用トランス
141a,141b 一次巻線
142a,142b 二次巻線
15 インバータ回路(第2のスイッチ回路)
21〜28,31,32 スイッチ
41 ダイオード
CB 共通母線
Claims (6)
- 交流電源と第1蓄電手段のいずれか一方と第2蓄電手段との間でトランスを介して電力授受を行う電力変換装置であって、
前記交流電源の入力電圧を整流する整流回路と、
前記整流回路の出力の負極側と前記第1蓄電手段の負極とを前記トランスの一次巻線に接続する共通母線と、
前記整流回路の出力の正極側と前記第1蓄電手段の正極とを前記トランスの一次巻線に選択的に接続するとともに電力変換を行う第1のスイッチ回路と、
前記第2蓄電手段を前記トランスの二次巻線に接続するとともに電力変換を行う第2のスイッチ回路と、
前記第1のスイッチ回路および前記第2のスイッチ回路のスイッチのオン/オフを操作して前記交流電源と前記第1蓄電手段と前記第2蓄電手段の電力を制御する制御手段と、を備え、
前記整流回路の出力の正極側と前記第1蓄電手段の正極とがダイオードを介して接続され、
前記ダイオードは、前記第1蓄電手段の正極から前記整流回路の出力の正極側に向かう方向が順方向となるように、前記第1蓄電手段の正極と前記整流回路の出力の正極側との間に設けられ、
前記第1のスイッチ回路は、前記第1蓄電手段の正極と前記トランスの一次巻線とを逆方向の耐圧を持たせたスイッチで接続するとともに、前記整流回路の出力の正極側と前記トランスの一次巻線とを逆方向の耐圧がないスイッチで接続している
ことを特徴とする電力変換装置。 - 交流電源と第1蓄電手段のいずれか一方と第2蓄電手段との間でトランスを介して電力授受を行う電力変換装置であって、
前記交流電源の一方の極と前記第1蓄電手段の一方の極とを前記トランスの一次巻線に接続する共通母線と、
前記交流電源の他方の極と前記第1蓄電手段の他方の極とを前記トランスの一次巻線に選択的に接続するとともに電力変換を行う第1のスイッチ回路と、
前記第2蓄電手段を前記トランスの二次巻線に接続するとともに電力変換を行う第2のスイッチ回路と、
前記第1のスイッチ回路および前記第2のスイッチ回路のスイッチのオン/オフを操作して前記交流電源と前記第1蓄電手段と前記第2蓄電手段の電力を制御する制御手段と、を備え、
前記制御手段は、前記第1蓄電手段に対して要求される充電電力と前記第2蓄電手段に対して要求される充電電力との比率に基づいて、前記交流電源から前記トランスを介して前記第2蓄電手段に電力供給される時間と前記第2蓄電手段から前記トランスを介して前記第1蓄電手段に電力供給される時間との時間配分を求め、当該時間配分に従って、前記第1のスイッチ回路および前記第2のスイッチ回路のスイッチのオン/オフを操作する
ことを特徴とする電力変換装置。 - 前記制御手段は、前記第1蓄電手段の電圧を監視し、前記第1蓄電手段の電圧に応じて、前記交流電源から前記トランスを介して前記第2蓄電手段に電力供給される時間と前記第2蓄電手段から前記トランスを介して前記第1蓄電手段に電力供給される時間との時間配分を調整することを特徴とする請求項2に記載の電力変換装置。
- 交流電源と第1蓄電手段のいずれか一方と第2蓄電手段との間でトランスを介して電力授受を行う電力変換装置であって、
前記交流電源の一方の極と前記第1蓄電手段の一方の極とを前記トランスの一次巻線に接続する共通母線と、
前記交流電源の他方の極と前記第1蓄電手段の他方の極とを前記トランスの一次巻線に選択的に接続するとともに電力変換を行う第1のスイッチ回路と、
前記第2蓄電手段を前記トランスの二次巻線に接続するとともに電力変換を行う第2のスイッチ回路と、
前記第1のスイッチ回路および前記第2のスイッチ回路のスイッチのオン/オフを操作して前記交流電源と前記第1蓄電手段と前記第2蓄電手段の電力を制御する制御手段と、を備え、
前記共通母線は、前記交流電源のアース端子と前記第1蓄電手段の負極とを前記トランスの一次巻線に接続し、
前記第1のスイッチ回路は、前記交流電源のアース端子以外の端子と前記第1蓄電手段の正極とを前記トランスの一次巻線に選択的に接続し、
前記制御手段は、前記交流電源の入力電圧を監視し、前記交流電源の入力電圧が所定の閾値よりも高い区間において前記交流電源から前記トランスを介して前記第2蓄電手段に電力供給され、前記交流電源の入力電圧が所定の閾値よりも低い区間において前記第2蓄電手段から前記トランスを介して前記第1蓄電手段に電力供給されるように、前記第1のスイッチ回路および前記第2のスイッチ回路のスイッチのオン/オフを操作する
ことを特徴とする電力変換装置。 - 前記制御手段は、前記第1蓄電手段の電圧を監視し、前記第1蓄電手段の電圧に応じて、前記交流電源から前記トランスを介して前記第2蓄電手段に電力供給される時間と前記第2蓄電手段から前記トランスを介して前記第1蓄電手段に電力供給される時間との時間配分を調整することを特徴とする請求項4に記載の電力変換装置。
- 前記トランスの一次巻線に当該巻線の巻数を分割する途中端子が設けられ、
前記第1蓄電手段の他方の極が、前記第1のスイッチ回路のスイッチを介して前記トランスの一次巻線に設けられた途中端子に接続されていることを特徴とする請求項2乃至5のいずれか一項に記載の電力変換装置。
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CN200980154611.9A CN102282749B (zh) | 2009-01-15 | 2009-12-15 | 电力转换器 |
PCT/JP2009/006893 WO2010082275A1 (en) | 2009-01-15 | 2009-12-15 | Electric power converter |
BR122018070680-5A BR122018070680B1 (pt) | 2009-01-15 | 2009-12-15 | Conversor de potência elétrica |
RU2011134090/07A RU2473159C1 (ru) | 2009-01-15 | 2009-12-15 | Преобразователь электрической мощности |
EP09838245.0A EP2387819B1 (en) | 2009-01-15 | 2009-12-15 | Electric power converter |
US13/144,576 US8917053B2 (en) | 2009-01-15 | 2009-12-15 | Electric power converter with transformer |
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