JP6324426B2 - モータ駆動装置 - Google Patents
モータ駆動装置 Download PDFInfo
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- JP6324426B2 JP6324426B2 JP2016046804A JP2016046804A JP6324426B2 JP 6324426 B2 JP6324426 B2 JP 6324426B2 JP 2016046804 A JP2016046804 A JP 2016046804A JP 2016046804 A JP2016046804 A JP 2016046804A JP 6324426 B2 JP6324426 B2 JP 6324426B2
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- 238000000034 method Methods 0.000 description 56
- 238000004804 winding Methods 0.000 description 26
- 230000000903 blocking effect Effects 0.000 description 8
- 238000010248 power generation Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009499 grossing Methods 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
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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
- B60—VEHICLES IN GENERAL
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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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
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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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
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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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- B60L7/003—Dynamic electric braking by short circuiting the motor
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- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/50—Control strategies for responding to system failures, e.g. for fault diagnosis, failsafe operation or limp mode
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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
- 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
- H02P29/0241—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being an overvoltage
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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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/032—Preventing damage to the motor, e.g. setting individual current limits for different drive conditions
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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
- H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
- H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
- H02P3/18—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an AC motor
- H02P3/22—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter for stopping or slowing an AC motor by short-circuit or resistive braking
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- 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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/122—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. DC/AC converters
- H02H7/1225—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for inverters, i.e. DC/AC converters responsive to internal faults, e.g. shoot-through
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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
- Y02T10/62—Hybrid vehicles
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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
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
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- Y10S903/00—Hybrid electric vehicles, HEVS
- Y10S903/902—Prime movers comprising electrical and internal combustion motors
- Y10S903/903—Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
- Y10S903/904—Component specially adapted for hev
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Description
図3は、本発明の実施の形態1に係るモータ駆動装置におけるPWM制御の許可/不許可を判定するための処理のフローチャートである。すなわち、図3のフローの処理により、MCU2001が、二重三相インバータ2030がPWM制御を行うか否かの判定を行う。MCU2001は、図示しないメモリを有しており、メモリ内に、PWM許可/不可フラグを格納している。MCU2001は、図3のフローにおける判定の結果に基づき、メモリに格納されているPWM許可/不可フラグを許可または不可に設定する。図3のフローの処理は、MCU2001に設けられた、図示しない故障判定部において行われる。以下に詳細に説明する。
なお、ここで、全相遮断とは、二重三相インバータ2030のすべてのスイッチング素子3をオープン(OFF)にすることである。
また、三相短絡は、二重三相インバータ2030の上アームスイッチング素子3をオープン(OFF)し、同時に、下アームスイッチング素子3をクローズ(ON)して、相短絡状態にし、二重三相モータ2050に短絡電流が流れるようにすることである。
以下に、詳細に説明する。
図5は、本発明の実施の形態2に係るモータ駆動装置において、各種条件を元に、全相遮断/三相短絡/PWMを切り替えて実行する処理のフローチャートである。図5のフローの処理は、MCU2001に設けられた、図示しない切替部によって実行される。他の構成および動作については、実施の形態1と同じである。
図6は、本発明の実施の形態に係る車両のモータ駆動装置において、各種条件を元に、全相遮断/三相短絡/PWMを切り替えて実行する処理のフローチャートである。図6のフローの処理は、MCU2001に設けられた、図示しない切替部によって実行される。他の構成および動作については、上述の実施の形態1または2と同じである。
Claims (5)
- エンジンとモータとが直結された車両に搭載されるモータ駆動装置であって、
前記車両は、
前記モータに電力を供給し、また、前記モータの出力により充電される直流電源装置
を備え、
前記モータ駆動装置は、
前記直流電源装置からの直流電力を交流電力に変換するとともに、前記モータから得られた交流電力を直流電力に変換するインバータと、
前記インバータを制御する制御装置と
を備え、
前記制御装置は、
前記インバータ及び前記直流電源装置の少なくとも一方が故障しているかを判定することにより、前記モータから前記直流電源装置へ電流を流せないか否かを判定する故障判定部と、
前記直流電源装置が満充電であるか否かを判定する直流電源状態判定部と、
前記故障判定部もしくは前記直流電源状態判定部により、前記モータから前記直流電源装置へ電流を流せないと判定された場合に、前記モータのモータ回転速度を、前記モータの誘起電圧が前記直流電源装置の直流リンク電圧を上回らないように設定された第1の閾値と比較した比較結果に基づいて、前記インバータにおいて全相遮断を行うか三相短絡を行うかを切り替える切替部と
を有し、
前記モータ及び前記モータを駆動する前記インバータは、U,V,W相からなる1群と、X,Y,Z相からなる2群とからそれぞれ構成され、
前記制御装置は、
前記インバータが前記三相短絡を行っている時に、三相短絡トルクの減少量が第4の閾値以上の場合に、前記1群及び前記2群のいずれか一方で力行し、他方で回生させることで、直流電流の増減がゼロとなるように制御する三相短絡処理部
をさらに備えた、
モータ駆動装置。 - 前記切替部は、
前記モータ回転速度が前記第1の閾値以下の場合に、前記インバータにおいて前記全相遮断を行い、
前記モータ回転速度が前記第1の閾値より大きい場合に、前記インバータにおいて前記三相短絡を行う、
請求項1に記載のモータ駆動装置。 - 前記第1の閾値は、前記直流電源装置の直流リンク電圧によって切り替えられる、
請求項2に記載のモータ駆動装置。 - エンジンとモータとが直結された車両に搭載されるモータ駆動装置であって、
前記車両は、
前記モータに電力を供給し、また、前記モータの出力により充電される直流電源装置
を備え、
前記モータ駆動装置は、
前記直流電源装置からの直流電力を交流電力に変換するとともに、前記モータから得られた交流電力を直流電力に変換するインバータと、
前記インバータを制御する制御装置と
を備え、
前記制御装置は、
前記インバータ及び前記直流電源装置の少なくとも一方が故障しているかを判定することにより、前記モータから前記直流電源装置へ電流を流せないか否かを判定する故障判定部と、
前記直流電源装置が満充電であるか否かを判定する直流電源状態判定部と、
前記故障判定部もしくは前記直流電源状態判定部により、前記モータから前記直流電源装置へ電流を流せないと判定された場合に、前記モータのモータ回転速度に基づいてまたは前記モータの誘起電圧と前記モータの直流リンク電圧とに基づいて、前記インバータにおいて全相遮断を行うか三相短絡を行うかを切り替える切替部と
を有し、
前記切替部は、
前記モータの前記誘起電圧が前記直流リンク電圧以下の場合に、前記インバータにおいて前記全相遮断を行い、
前記モータの前記誘起電圧が前記直流リンク電圧より大きい場合に、前記インバータにおいて前記三相短絡を行い、
前記モータ及び前記モータを駆動する前記インバータは、U,V,W相からなる1群と、X,Y,Z相からなる2群とからそれぞれ構成され、
前記制御装置は、
前記インバータが前記三相短絡を行っている時に、三相短絡トルクの減少量が第4の閾値以上の場合に、前記1群及び前記2群のいずれか一方で力行し、他方で回生させることで、直流電流の増減がゼロとなるように制御する三相短絡処理部
をさらに備えた、
モータ駆動装置。 - エンジンとモータとが直結された車両に搭載されるモータ駆動装置であって、
前記車両は、
前記モータに電力を供給し、また、前記モータの出力により充電される直流電源装置
を備え、
前記モータ駆動装置は、
前記直流電源装置からの直流電力を交流電力に変換するとともに、前記モータから得られた交流電力を直流電力に変換するインバータと、
前記インバータを制御する制御装置と
を備え、
前記制御装置は、
前記インバータ及び前記直流電源装置の少なくとも一方が故障しているかを判定することにより、前記モータから前記直流電源装置へ電流を流せないか否かを判定する故障判定部と、
前記直流電源装置が満充電であるか否かを判定する直流電源状態判定部と、
前記故障判定部もしくは前記直流電源状態判定部により、前記モータから前記直流電源装置へ電流を流せないと判定された場合に、前記モータのモータ回転速度に基づいてまたは前記モータの誘起電圧と前記モータの直流リンク電圧とに基づいて、前記インバータにおいて全相遮断を行うか三相短絡を行うかを切り替える切替部と
を有し、
前記モータの前記誘起電圧は、
前記モータの前記モータ回転速度および前記モータのモータ温度の少なくともいずれか一方に基づいて求められる推定誘起電圧であり、
前記切替部は、
前記モータの前記推定誘起電圧が前記直流リンク電圧以下の場合に、前記インバータにおいて前記全相遮断を行い、
前記モータの前記推定誘起電圧が前記直流リンク電圧より大きい場合に、前記インバータにおいて前記三相短絡を行い、
前記モータ及び前記モータを駆動する前記インバータは、U,V,W相からなる1群と、X,Y,Z相からなる2群とからそれぞれ構成され、
前記制御装置は、
前記インバータが前記三相短絡を行っている時に、三相短絡トルクの減少量が第4の閾値以上の場合に、前記1群及び前記2群のいずれか一方で力行し、他方で回生させることで、直流電流の増減がゼロとなるように制御する三相短絡処理部
をさらに備えた、
モータ駆動装置。
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