JP5890345B2 - 外部給電システム - Google Patents
外部給電システム Download PDFInfo
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- JP5890345B2 JP5890345B2 JP2013087380A JP2013087380A JP5890345B2 JP 5890345 B2 JP5890345 B2 JP 5890345B2 JP 2013087380 A JP2013087380 A JP 2013087380A JP 2013087380 A JP2013087380 A JP 2013087380A JP 5890345 B2 JP5890345 B2 JP 5890345B2
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
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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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/006—Supplying electric power to auxiliary equipment of vehicles to power outlets
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/02—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles characterised by the form of the current used in the control circuit
- B60L15/08—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles characterised by the form of the current used in the control circuit using pulses
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/003—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to inverters
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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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
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
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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
- H02M7/42—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
- H02M7/53—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 using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/02—Details of the control
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B60L2240/42—Drive Train control parameters related to electric machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L2240/00—Control parameters of input or output; Target parameters
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L2240/00—Control parameters of input or output; Target parameters
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- B60L2240/526—Operating parameters
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- 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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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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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
- 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
- H02M1/38—Means for preventing simultaneous conduction of switches
- H02M1/385—Means for preventing simultaneous conduction of switches with means for correcting output voltage deviations introduced by the dead time
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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- 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
- H02M7/53—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 using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/539—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency
- H02M7/5395—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 using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency by pulse-width modulation
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- H—ELECTRICITY
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- H02P2101/45—Special adaptation of control arrangements for generators for motor vehicles, e.g. car alternators
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- H—ELECTRICITY
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- H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
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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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- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Inverter Devices (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Ac Motors In General (AREA)
- Hybrid Electric Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Description
図1は、実施の形態1の外部給電システムが適用される車両の全体構成を示すブロック図である。以下の実施の形態では車両がハイブリッド車両である場合について説明するが、本発明の車両はハイブリッド車両に限定されない。図1を参照して、車両100は、エンジン2と、モータジェネレータMG1,MG2と、動力分割機構4と、駆動輪6とを備える。また、車両100は、蓄電装置Bと、システムメインリレーSMRと、コンバータ10と、インバータ21,22と、制御装置50とをさらに備える。
図4は、インバータのデッドタイム期間に発生する誤差の発生原理を説明するための波形図である。
図5を参照して、中性点出力電圧指令値に相当する電圧が破線Vnで示されており、実際の中性点出力電圧が実線Vmで示されている。電流極性が+Iaである期間TAでは、破線Vnよりも実線Vmが高くなっており、電流極性が−Iaである期間TBでは破線Vnよりも実線Vmが低くなっている。絶対値では、いずれも破線Vnの指令値よりも実際の電圧の実線Vmの方が小さい。また、Vmがゼロに近い部分では、電流および出力誤差の極性が頻繁に反転を繰返すので、一定期間Vm=0に固定される部分が生じる。
Vtd(V)=VH(V)×td(sec)×fc(Hz) …(1)
ここで、Vtdは出力誤差電圧を示し、VHは図3に示すインバータ電源電圧VHを示し、tdは図4に示す理想タイミングに対する時間差(td1またはtd2)を示し、fcはキャリア周波数を示す。
図9は、エンジン停止時のデッドタイム期間に生じる誤差に起因する給電波形の歪を説明するための波形図である。図9を参照して、中性点出力電圧Voと中性点出力電流I0が示されている。エンジン停止時には、デッドタイム誤差は毎周期同じであるため、中性点出力電圧Voの破線部A1,A2には、同じ歪が発生している。
図15は、エンジン稼働時の出力電圧とインバータ電流を示した波形図である。図5を参照して、中性点出力電圧Voとインバータ電流U相、V相、W相の各電流値IU、IV、IWが示される。このインバータ電流値は、エンジン回転数に比例して、周波数が変動する。
Ve(TP1)=1/3×(+Vtd)+1/3×(+Vtd)+1/3×(−Vtd)
Ve(TP1)=1/3×(+Vtd) …(2)
また、期間TP2では、2相の電流極性が負、残りの1相が正となる。上記と同様に考えると、期間TP2の中性点出力誤差Ve(TP2)は、次式(3)のようになる。
Ve(TP2)=1/3×(−Vtd)+1/3×(−Vtd)+1/3×(+Vtd)
Ve(TP2)=1/3×(−Vtd) …(3)
以上説明したような電流極性とデッドタイム誤差との関係から、繰返し周期が安定しないエンジン稼働時には電流極性に基づいた補償制御を行なうことが有効である。
図20を参照して、デッドタイム補償部83は、モータジェネレータMG1に関する補償を行なうデッドタイム補償部91と、モータジェネレータMG2に関する補償を行なうデッドタイム補償部92とを含む。
実施の形態1では、エンジン稼働時などに出力電圧の誤差を補償するために、インバータ電流の極性に基づいて行なう制御を適用した。しかし、電流極性が高速に変化する場合には、その都度電流極性を判定してから制御を行なうのでは制御遅れが電圧の補償に影響を与えてしまう。
Vd=√2・Va・sin(3×2πft+φ) …(4)
ここで、Vaは中性点出力電圧の高調波の振幅を示し、fはMG1電流の電気角の周波数を示し、φは中性点出力電圧の高調波とMG1電流の位相差により求まる値を示し、tは、時間を示す。
φ=Tc×2π/Ta …(5)
ステップS116において位相差φが算出されると、再びステップS117でパルス出力Aが受信され、再びステップS111以降のカウンタリセットとカウントアップが繰返される。
図29は、変形例1で用いられるデッドタイム補償制御部54Bの構成を示したブロック図である。なお、デッドタイム補償制御部54Bは、図19に示したデッドタイム補償制御部54の構成において、MG2の電流によるデッドタイム補償を省略した構成である。
図33は、変形例2で用いられるデッドタイム補償制御部54Cの構成を示したブロック図である。なお、デッドタイム補償制御部54Cは、図22に示したデッドタイム補償制御部54の構成において、MG2の電流によるデッドタイム補償を省略した構成である。
Claims (5)
- エンジンと、
蓄電装置と、
前記エンジンから機械的動力を受けて発電が可能に構成されたモータジェネレータと、
前記蓄電装置の電力を用いて前記モータジェネレータを駆動するインバータと、
前記インバータを制御する制御部とを備え、
前記モータジェネレータは、中性点に接続されたステータコイルを含み、
前記中性点は、前記蓄電装置からの電力を外部に交流電力を給電する出力ノードであり、
前記インバータは、
正極電源ラインと負極電源ラインとの間に直列に接続された第1スイッチ素子および第2スイッチ素子を含み、
前記第1スイッチ素子と前記第2スイッチ素子の接続ノードは前記ステータコイルに接続され、
前記制御部は、前記中性点の電圧が所定値となるように前記インバータが駆動されるように駆動信号を前記インバータに入力し、
前記制御部は、エンジン駆動時において前記出力ノードから電力を外部に給電する場合には、前記接続ノードから前記ステータコイルに入出力される電流に基づいて、前記第1スイッチ素子および前記第2スイッチ素子がともにオフ状態の駆動信号が供給される期間であるデッドタイム期間の前記駆動信号を補償し、
前記制御部は、エンジン非駆動時において前記出力ノードから電力を外部に給電する場合には、給電する交流電力の1周期前の前記中性点の出力電圧の誤差に基づいて、前記駆動信号を繰返し補償する、外部給電システム。 - 前記ステータコイルは、
各々の一端が前記中性点に接続された、U相コイル、V相コイル、W相コイルを含み、
前記第1スイッチ素子と前記第2スイッチ素子の接続ノードは、前記U相コイルの他端に接続され、
前記インバータは、
前記正極電源ラインと前記負極電源ラインとの間に直列に接続され、互いの接続ノードが前記V相コイルの他端に接続された第3、第4のスイッチ素子と、
前記正極電源ラインと前記負極電源ラインとの間に直列に接続され、互いの接続ノードが前記W相コイルの他端に接続された第5、第6のスイッチ素子とをさらに含み、
前記接続ノードから前記ステータコイルに入出力される前記電流は、
前記U相コイルに流れる電流と、
前記V相コイルに流れる電流と、
前記W相コイルに流れる電流とを含む、請求項1に記載の外部給電システム。 - 前記制御部は、エンジン非駆動時において、給電する交流電力の1周期前の前記中性点の出力電圧の誤差に基づいて、前記駆動信号を繰返し補償する、請求項1に記載の外部給電システム。
- 前記制御部は、エンジン駆動時において、前記インバータの入力電圧と、前記インバータのキャリア周波数とのいずれかが変更されたときに、前記接続ノードから前記ステータコイルに入出力される電流に基づいて、前記デッドタイム期間の前記駆動信号の補償を実行する、請求項1に記載の外部給電システム。
- 第2モータジェネレータおよび第2インバータをさらに備え、
外部負荷は、前記中性点と第2中性点との間に接続され、
前記第2中性点は、前記第2モータジェネレータのステータコイルの中性点であり、
前記制御部は、エンジン駆動時において、前記インバータと前記第2インバータの電圧分担率が変更されたときに、前記接続ノードから前記ステータコイルに入出力される電流に基づいて、前記デッドタイム期間の前記駆動信号の補償を実行する、請求項1に記載の外部給電システム。
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PCT/IB2014/000547 WO2014170737A1 (en) | 2013-04-18 | 2014-04-15 | External power supply system |
DE112014002030.3T DE112014002030T5 (de) | 2013-04-18 | 2014-04-15 | Externes Leistungszuführungssystem |
CN201480021893.6A CN105142961B (zh) | 2013-04-18 | 2014-04-15 | 外部供电系统 |
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