JP2013247817A - 充電器制御システム - Google Patents
充電器制御システム Download PDFInfo
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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
- B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
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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
- B60L53/20—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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- 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
- B60L2210/00—Converter types
- B60L2210/40—DC to AC 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
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/526—Operating parameters
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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
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/527—Voltage
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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
- B60L2240/52—Drive Train control parameters related to converters
- B60L2240/529—Current
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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
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
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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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
- H02M1/088—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters for the simultaneous control of series or parallel connected semiconductor 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
- H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
- H02M1/4208—Arrangements for improving power factor of AC input
- H02M1/4233—Arrangements for improving power factor of AC input using a bridge converter comprising active switches
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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
- H02M3/33569—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
- H02M3/33584—Bidirectional 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M5/4585—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only having a rectifier with controlled elements
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y02T10/70—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
- 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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- 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
- Y02T10/80—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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- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
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Abstract
【解決手段】力率改善回路30とDC−DCコンバータ40を含む充電器制御システムは、充電動作時に、力率改善回路30の出力側に設けられたコンデンサC2の端子間電圧を目標電圧に制御する制御部80を備え、制御部80は、その目標電圧を、力率改善回路30の入力とDC−DCコンバータ40の出力とに基づいて計算された回路損失が最小となる目標電圧に決定する。
【選択図】図1
Description
[実施形態1]
本発明の実施形態1に係る充電器制御システムは、例えば電気自動車やプラグインハイブリット車等の車両に搭載される双方向充電器制御システムであり、外部から入力される系統AC電圧を車両高圧バッテリーDC電圧に変換して車両高圧バッテリーを充電する充電動作に加え、車両高圧バッテリーDC電圧をAC電圧に変換して外部に出力する回生動作を行う構成を有する。
図1に示したように、本実施形態に係る充電器制御システムは、AC入出力部10と、フィルタ回路20と、PFC(Power Factor Correction)回路(力率改善回路)30と、絶縁型双方向DC−DCコンバータ40と、フィルタ回路50と、リレー回路60と、車両高圧バッテリー70と、制御部80を含む。
トランス41の一次側回路は、ブリッジ回路42と、コイルL3と、AC電流センサ43を含む。
ブリッジ回路44は、4個の半導体スイッチング素子S17乃至S20と、4個のダイオードD5乃至D8からなる。4個の半導体スイッチング素子S17乃至S20は、例えばIGBTであり、その各々のコレクタとエミッタ間に、ダイオードD5乃至D8が、カソードがコレクタにアノードがエミッタに対応する状態で逆並列に接続されている。なお、ダイオードが逆並列に接続されたIGBTは双方向半導体スイッチング素子でもあるので、ブリッジ回路44は、双方向半導体スイッチング素子がそれぞれブリッジ接続された回路でもある。
図2において、損失特性マップ81aは、充電動作時用のPFC回路30の損失特性マップであり、損失特性マップ81bは、充電動作時用の絶縁型双方向DC−DCコンバータ40の損失特性マップである。
図3において、損失特性マップ81cは、回生動作時用のPFC回路30の損失特性マップであり、損失特性マップ81dは、回生動作時用の絶縁型双方向DC−DCコンバータ40の損失特性マップである。
はじめに、外部から入力される系統AC電圧(例えばAC100V)を車両高圧バッテリーDC電圧(例えばDC240V)に変換して車両高圧バッテリー70を充電する充電動作について説明する。
続いて、このような充電動作において、上述のPFC回路30の半導体スイッチング素子S1乃至S8が、制御部80からの制御信号により、系統AC電圧を目標とするDC電圧に変換するようにスイッチング制御される際の、その目標とするDC電圧の決定の仕方について説明する。
回生動作では、まず、AC入出力部10において、図示しない家電製品等の電気器具のプラグに接続されているAC出力端子12とフィルタ回路20の出力側端子対とが導通するように、制御部80によりスイッチ13、14の切り替えが制御される。そして、車両高圧バッテリー70のプラス側端子とフィルタ回路50の入力側端子対の一方とが導通(短絡)するように、制御部80によりリレー回路60がオンに制御される。すると、車両高圧バッテリーDC電圧が、リレー回路60とフィルタ回路50を介して、絶縁型双方向DC−DCコンバータ40のブリッジ回路44に供給される。
続いて、このような回生動作において、上述の絶縁型双方向DC−DCコンバータ40の半導体スイッチング素子S9乃至S20が、制御部80からの制御信号により、車両高圧バッテリーDC電圧を目標とするDC電圧に変換するようにスイッチング制御される際の、その目標とするDC電圧の決定の仕方について説明する。
例えば、PFC回路30は、電流連続モード制御方式、又は、電流臨界モード制御方式に従って制御されるようにすることも可能である。
図4において、損失特性マップ81eは、充電動作時用のPFC回路30の損失特性マップであり、損失特性マップ81fは、充電動作時用の絶縁型双方向DC−DCコンバータ40の損失特性マップである。
図5において、損失特性マップ81gは、充電動作時用のPFC回路30の損失特性マップであり、損失特性マップ81hは、充電動作時用の絶縁型双方向DC−DCコンバータ40の損失特性マップである。なお、損失特性マップ81hは、図4に示した損失特性マップ81fでもある。
図6において、損失特性マップ81iは、充電動作時用のPFC回路30の損失特性マップであり、損失特性マップ81jは、充電動作時用の絶縁型双方向DC−DCコンバータ40の損失特性マップである。なお、損失特性マップ81iは、図4に示した損失特性マップ81eでもある。
図7において、損失特性マップ81kは、回生動作時用のPFC回路30の損失特性マップであり、損失特性マップ81lは、回生動作時用の絶縁型双方向DC−DCコンバータ40の損失特性マップである。なお、損失特性マップ81lは、図3に示した損失特性マップ81dでもある。
[実施形態2]
本発明の実施形態2に係る充電器制御システムは、実施形態1に係る充電器制御システムにおける絶縁型双方向DC−DCコンバータの出力(充電動作時の出力)を2出力としたものであり、これに伴って、充電動作として、外部から入力される系統AC電圧を、車両高圧バッテリーDC電圧と車両低圧バッテリーDC電圧に変換して、車両高圧バッテリーと車両低圧バッテリーを充電する充電動作を行う構成を有する。
図8に示したように、本実施形態に係る充電器制御システムは、実施形態1に係る充電器制御システム(図1参照)に対して、絶縁型双方向DC−DCコンバータ40がトランス41の三次側回路を更に含むと共に、更に、フィルタ回路90と車両低圧バッテリー100を含む。
本実施形態に係る充電器制御システムでは、制御部80が、充電動作時等に、更に、トランス41の三次側回路の半導体スイッチング素子S21及びS22を制御する。また、制御部80は、充電動作時等に、必要に応じて、更に、トランス41の三次側回路のDC電圧センサ47、DC電流センサ48から、検出値(センサー値)を読み出す。例えば、充電動作時の絶縁型双方向DC−DCコンバータ40の車両低圧バッテリー側の出力電圧及び出力電流が、DC電圧センサ47、DC電流センサ48により検出される。
例えば、PFC回路30は、実施形態1と同様に、電流連続モード制御方式、又は、電流臨界モード制御方式に従って制御されるようにすることも可能である。
以上、本発明の実施形態を説明したが、本発明は、上述した実施形態に限定されることなく、本発明の要旨を逸脱しない範囲内で種々の改良・変更が可能である。
11 AC入力端子
12 AC出力端子
13、14 スイッチ
20 フィルタ回路
30 PFC回路
31 AC電流センサ
32 AC電圧センサ
33 ブリッジ回路
34 DC電圧センサ
40 絶縁型双方向DC−DCコンバータ
41 トランス
42 ブリッジ回路
43 AC電流センサ
44 ブリッジ回路
45 DC電圧センサ
46 DC電流センサ
47 DC電圧センサ
48 DC電流センサ
50 フィルタ回路
60 リレー回路
70 車両高圧バッテリー
80 制御部
90 フィルタ回路
100 車両低圧バッテリー
Claims (11)
- 力率改善回路とDC−DCコンバータを含む充電器制御システムであって、
充電動作時に、前記力率改善回路の出力側に設けられたコンデンサの端子間電圧を目標電圧に制御する制御部を備え、
前記制御部は、前記目標電圧を、前記力率改善回路の入力と前記DC−DCコンバータの出力とに基づいて計算された回路損失が最小となる目標電圧に決定する
ことを特徴とする充電器制御システム。 - 前記入力とは入力電流、入力電圧及び入力電力の中の何れか1つであり、前記出力とは出力電流、出力電圧及び出力電力の中の何れか1つである、
ことを特徴とする請求項1記載の充電器制御システム。 - 前記制御部は、前記目標電圧を、前記力率改善回路の入力電圧と前記DC−DCコンバータの出力電圧とに基づいて計算された回路損失が最小となる目標電圧に決定する
ことを特徴とする請求項2記載の充電器制御システム。 - 前記制御部は、前記目標電圧を、前記力率改善回路の入力電流と前記DC−DCコンバータの出力電力とに基づいて計算された回路損失が最小となる目標電圧に決定する
ことを特徴とする請求項2記載の充電器制御システム。 - 前記制御部は、前記目標電圧を、前記力率改善回路の入力電力と前記DC−DCコンバータの出力電力とに基づいて計算された回路損失が最小となる目標電圧に決定する
ことを特徴とする請求項2記載の充電器制御システム。 - 前記制御部は、前記目標電圧を、前記力率改善回路の入力電流と前記DC−DCコンバータの出力電流とに基づいて計算された回路損失が最小となる目標電圧に決定する
ことを特徴とする請求項2記載の充電器制御システム。 - 前記DC−DCコンバータは2出力であり、
前記制御部は、前記目標電圧を、前記力率改善回路の入力電圧、入力電流、及び入力電力の中の何れか一つと、前記DC−DCコンバータの第1の出力電圧、第1の出力電流、及び第1の出力電力の中の何れか一つと、前記DC−DCコンバータの第2の出力電圧、第2の出力電流及び第2の出力電力の中の何れか一つとに基づいて計算された回路損失が最小となる目標電圧に決定する
ことを特徴とする請求項1記載の充電器制御システム。 - 力率改善回路とDC−DCコンバータを含む双方向充電器制御システムであって、
充電動作時には前記力率改善回路の出力側に設けられたコンデンサの端子間電圧を目標電圧に制御すると共に、回生動作時には前記力率改善回路の入力側に設けられたコンデンサの端子間電圧を目標電圧に制御する制御部を備え、
前記制御部は、前記回生動作時に、前記目標電圧を、前記DC−DCコンバータの入力と前記力率改善回路の出力とに基づいて計算された回路損失が最小となる目標電圧に決定する
ことを特徴とする双方向充電器制御システム。 - 前記入力とは入力電流、入力電圧及び入力電力の中の何れか1つであり、前記出力とは出力電流、出力電圧及び出力電力の中の何れか1つである、
ことを特徴とする請求項8記載の双方向充電器制御システム。 - 前記制御部は、前記回生動作時に、前記目標電圧を、前記DC−DCコンバータの入力電圧と前記力率改善回路の出力電圧とに基づいて計算された回路損失が最小となる目標電圧に決定する
ことを特徴とする請求項9記載の双方向充電器制御システム。 - 前記制御部は、前記回生動作時に、前記目標電圧を、前記DC−DCコンバータの入力電圧と前記力率改善回路の出力電流とに基づいて計算された回路損失が最小となる目標電圧に決定する
ことを特徴とする請求項9記載の双方向充電器制御システム。
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