JP6665833B2 - 極数切替回転電機の制御装置 - Google Patents
極数切替回転電機の制御装置 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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
- B60L15/025—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 field orientation; Vector control; Direct Torque Control [DTC]
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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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- 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
- H02P25/18—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 with arrangements for switching the windings, e.g. with mechanical switches or relays
- H02P25/20—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 with arrangements for switching the windings, e.g. with mechanical switches or relays for pole-changing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
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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
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/22—Current control, e.g. using a current control loop
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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
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/24—Vector control not involving the use of rotor position or rotor speed sensors
- H02P21/26—Rotor flux based control
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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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- 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
- H02P25/22—Multiple windings; Windings for more than three phases
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/50—Structural details of electrical machines
- B60L2220/56—Structural details of electrical machines with switched windings
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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
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/50—Structural details of electrical machines
- B60L2220/58—Structural details of electrical machines with more than three phases
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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
- B60L2240/423—Torque
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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
- B60L2240/427—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
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/429—Current
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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
- Y02T10/64—Electric machine technologies 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
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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Description
以下、本発明に係る制御装置を、車載主機として回転電機を備える電気自動車又はハイブリッド車等の車両に適用した第1実施形態について、図面を参照しつつ説明する。
以下、第2実施形態について、第1実施形態との相違点を中心に図面を参照しつつ説明する。本実施形態では、極数切替期間TCにおいて「ωs8:ωs4=2:1」の関係を維持しながら、第1の1次角周波数ω4c及び第2の1次角周波数ω8cの双方を変化させる。これにより、極数を切り替えた場合に各相巻線に流れる電流の増大を抑制する。
以下、第3実施形態について、第2実施形態との相違点を中心に図面を参照しつつ説明する。本実施形態では、極数切替期間TCにおける制御を変更する。
なお、上記各実施形態は、以下のように変更して実施してもよい。
Claims (8)
- 極数を切替可能な回転電機(10)を制御する極数切替回転電機の制御装置(30)において、
3以上の整数をmとし、2以上の整数をnとする場合において、前記回転電機の円環状の固定子(50)には、m相の固定子巻線(M1,M2)がn組備えられ、
Aを2以上の偶数とし、A極とn×A極とのうち一方を切替前極数としてかつ他方を切替後極数とする場合において、前記回転電機の極数として前記切替前極数が選択されているとき、前記切替前極数に対応する前記回転電機のトルクである切替前トルクを切替前指令トルクとすべく、前記固定子巻線に流れる電流を制御する切替前制御部と、
前記回転電機の極数として前記切替後極数が選択されている場合、前記切替後極数に対応する前記回転電機のトルクである切替後トルクを切替後指令トルクとすべく、前記固定子巻線に流れる電流を制御する切替後制御部と、
前記切替前制御部の制御から前記切替後制御部の制御に切り替えられるまでの極数切替期間中に、前記固定子の周方向において、前記切替前制御部の制御により前記固定子に生成される磁極と、前記切替後制御部の制御により前記固定子に生成される磁極あってかつ前記切替前制御部の制御により前記固定子に生成される磁極と同極性の磁極とが一致しないように、前記固定子巻線に流れる電流又は前記固定子巻線に印加する電圧のいずれかである制御用パラメータを制御する過渡制御部と、を備える極数切替回転電機の制御装置。 - 前記固定子巻線に電流が流れることによって発生する回転磁束の角周波数である1次角周波数又は前記回転電機のすべり角周波数のいずれかを対象角周波数とする場合において、前記過渡制御部は、前記極数切替期間中において、n×A極に対応する前記対象角周波数:A極に対応する前記対象角周波数=n:1の関係を維持した状態で前記切替前制御部の制御により生成される磁束ベクトルの方向と前記切替後制御部の制御により生成される磁束ベクトルの方向とが一致しないように、前記制御用パラメータを制御する請求項1に記載の極数切替回転電機の制御装置。
- 前記過渡制御部は、前記極数切替期間中において、n×A極に対応する前記対象角周波数:A極に対応する前記対象角周波数=n:1の関係を維持すべく、n×A極に対応する前記対象角周波数とA極に対応する前記対象角周波数との双方を変化させる請求項2に記載の極数切替回転電機の制御装置。
- 前記固定子巻線に電流が流れることによって発生する回転磁束の角周波数である1次角周波数又は前記回転電機のすべり角周波数のいずれかを対象角周波数とする場合において、前記過渡制御部は、前記極数切替期間中において、まず前記回転電機の生成トルクを前記切替前指令トルクに維持した状態で前記対象角周波数を前記切替後極数に対応する前記対象角周波数まで変化させるように前記制御用パラメータを制御し、その後、n×A極に対応する前記対象角周波数:A極に対応する前記対象角周波数=n:1の関係を維持した状態で前記切替前制御部の制御により生成される磁束ベクトルの方向と前記切替後制御部の制御により生成される磁束ベクトルの方向とが一致しないように、前記制御用パラメータを制御する請求項1に記載の極数切替回転電機の制御装置。
- 前記固定子巻線に流れる電流の大きさが所定値とされる場合において前記回転電機の生成トルクが最大となる前記対象角周波数である高効率周波数は、前記固定子巻線に流れる電流の大きさが大きいほど高くなり、
前記切替前指令トルクは、前記切替前極数の前記高効率周波数に対応する前記回転電機の生成トルクであり、
前記切替後指令トルクは、前記切替後極数の前記高効率周波数に対応する前記回転電機の生成トルクである請求項3又は4に記載の極数切替回転電機の制御装置。 - 前記過渡制御部は、前記極数切替期間中において、前記切替前制御部の制御により前記固定子巻線に印加される電圧ベクトルの方向と前記切替前制御部の制御により生成される磁束ベクトルの方向とが90°の位相差をなして、かつ、前記切替後制御部の制御により前記固定子巻線に印加される電圧ベクトルの方向と前記切替後制御部の制御により生成される磁束ベクトルの方向とが90°の位相差をなすように、前記前記固定子巻線に印加する電圧を制御する請求項2〜5のいずれか1項に記載の極数切替回転電機の制御装置。
- 前記過渡制御部は、前記極数切替期間中において、前記切替前制御部の制御により生成される磁極と、前記切替後制御部の制御により生成される磁極であってかつ前記切替前制御部の制御により生成される磁極と同極性の磁極との位相差が、n×A極を基準とした場合に「360°/(n×A)×2」となるように、前記制御用パラメータを制御する請求項1〜6のいずれか1項に記載の極数切替回転電機の制御装置。
- 前記過渡制御部は、前記極数切替期間の開始タイミング以降のタイミングから、前記極数切替期間の終了タイミングまでの間において、前記切替前トルクを0に向かって徐々に減少させて、かつ、前記切替後トルクを0よりも大きい値に向かって徐々に増加させる請求項1〜7のいずれか1項に記載の極数切替回転電機の制御装置。
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TWI459685B (zh) * | 2012-08-14 | 2014-11-01 | Ind Tech Res Inst | 變極定子繞組之繞線方法及其動力與電力轉換裝置 |
JP6312082B2 (ja) * | 2014-05-29 | 2018-04-18 | 三菱電機株式会社 | 極数切替型誘導機の駆動方法および極数切替型誘導機 |
JP2017063518A (ja) * | 2015-09-24 | 2017-03-30 | 学校法人 東洋大学 | 回転電機システム |
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