WO2002065628A1 - Dispositif de production de puissance et dispositif d'entrainement, vehicule sur lequel lesdits dispositifs sont montes, et procedes de commande, supports de stockage et programmes desdits dispositifs - Google Patents
Dispositif de production de puissance et dispositif d'entrainement, vehicule sur lequel lesdits dispositifs sont montes, et procedes de commande, supports de stockage et programmes desdits dispositifs Download PDFInfo
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- WO2002065628A1 WO2002065628A1 PCT/JP2001/008751 JP0108751W WO02065628A1 WO 2002065628 A1 WO2002065628 A1 WO 2002065628A1 JP 0108751 W JP0108751 W JP 0108751W WO 02065628 A1 WO02065628 A1 WO 02065628A1
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- temperature
- power
- power supply
- switching
- motor
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Classifications
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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
- 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
- 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
- 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
- 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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- 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
- 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
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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
- 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
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
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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
- H02P29/60—Controlling or determining the temperature of the motor or of the drive
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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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
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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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/10—Arrangements for controlling torque ripple, e.g. providing reduced torque ripple
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/36—Temperature of vehicle components or parts
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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
- B60L2240/425—Temperature
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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
- B60L2240/525—Temperature of converter or components thereof
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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
- B60L2240/545—Temperature
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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
- B60L2270/00—Problem solutions or means not otherwise provided for
- B60L2270/10—Emission reduction
- B60L2270/14—Emission reduction of noise
- B60L2270/145—Structure borne vibrations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—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
- 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
- Y02E60/10—Energy storage using 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
- Y02T10/64—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
- 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
- Y02T10/72—Electric energy management in electromobility
Definitions
- the present invention relates to a power output device, a vehicle equipped with the same, a method of controlling the power output device, and a storage medium, and a program.
- the present invention relates to a power output device capable of outputting power by rotating a motor, a vehicle equipped with the power output device, a control method and a storage medium for a power output device, a program, a drive device capable of driving a load, and a drive device capable of driving a load.
- the present invention relates to a vehicle to be mounted, a control method of a drive device, a storage medium, and a program. Background art
- Conventional power output devices include a capacitor connected to the positive and negative buses of the inverter circuit that supplies three-phase AC power to the motor, a positive or negative bus of the inverter circuit, and the neutral of the motor.
- a device having a DC power supply connected to a point has been proposed (for example, Japanese Patent Application Laid-Open No. H10-337704 / Japanese Patent Application Laid-Open No. H11-178114).
- the circuit consisting of the coils of each phase of the motor and the switching elements of each phase of the inverter circuit functions as a step-up chopper circuit that boosts the voltage of the DC power supply and stores the charge in the capacitor, and also stores the stored capacitor.
- the drive control of the motor and the power storage control of the capacitor are simultaneously performed by the switching operation of the switching element of the inverter circuit performed when applying the three-phase alternating current to the motor.
- such a power output device may not be able to drive a motor with a desired output. This is because when the temperature of the DC power supply is at room temperature, its performance can be fully exhibited.However, when the temperature of the DC power supply is low, such as when starting the motor, the chemical reaction speed inside the DC power supply is slow. This is based on the fact that the internal resistance of the DC power supply increases, and battery performance may not be fully exhibited. In addition, since the output of the DC power supply decreases even when the temperature is high, it is preferable to control the temperature of the DC power supply to be within an appropriate range in order to sufficiently exhibit its performance. In order to stably perform the step-up operation of the power conversion section functioning as a step-up chopper circuit, it is preferable to control the temperature of the section to an appropriate state.
- a device in which the step-up operation of the circuit consisting of the coils of each phase of the motor and the switching element of the inverter circuit is replaced with the DC / DC converter that is, the DC voltage from the DC power supply is converted to the DC / DC converter.
- 'A power output device that converts the DC power from DC to DC and stores it in the capacitor, converts the DC power from the stored capacitor into three-phase AC power by switching the switching element of the inverter circuit, and supplies it to the motor.
- the temperature of the DC power supply in the drive unit which converts the DC voltage from the DC power supply into a DC / DC converter and converts it to DC / DC and stores it in a capacitor, and supplies DC power from the stored capacitor to electrical equipment (load). The same applies to the temperature of the D CZD C Compa 'overnight.
- Another object of the power output device of the present invention is to quickly heat a power supply at a low temperature to sufficiently exhibit the performance of the device. Further, it is an object of the power output device of the present invention to suppress the temperature rise of the power conversion unit and sufficiently exhibit its performance. It is another object of the present invention to provide a vehicle equipped with the power output device of the present invention, in which the temperature inside the power output device is controlled to a more appropriate state and the performance of the vehicle is fully exhibited.
- the storage medium and the program of the present invention are intended to cause a computer to function as a control device that manages the temperature of a power supply and a power conversion unit in a more appropriate state.
- the storage medium and the program of the present invention are intended to allow a computer to function as a control device that manages a power supply and a temperature of a DC / DC comparator in a more appropriate state. Disclosure of the invention
- a first power output device includes: a motor that is driven to rotate by polyphase alternating current; an inverter circuit that can supply polyphase alternating current power to the motor by switching a plurality of switching elements; and an inverter circuit.
- a first power supply connected to the positive bus and the negative bus of the motor; and a second power source connected to one of the positive bus and the negative bus of the inverter circuit and a neutral point of the motor.
- a temperature of a power conversion unit that includes a coil of the electric motor and the switching element, and that can convert power from the second power supply and supply the power to the first power supply, or a power supply of the second power supply.
- the present invention further comprises a temperature adjusting means for switching-controlling the switching element of the inverter circuit to adjust the temperature based on the temperature.
- the temperature adjusting means performs switching control of the switching element of the inverter circuit to adjust the temperature based on the temperature of the power converter or the temperature of the second power supply.
- the temperature of the power conversion unit and the temperature of the second power supply can be managed in a more appropriate state with a simple configuration, and the performance of the device can be sufficiently exhibited.
- the “first power source” and the “second power source” include those that can be charged and discharged, and the “motor” also includes those that function as generator motors that can generate power.
- the “second power source” is a power source having a larger capacity than the “first power source”.
- the “first power source”, “second power source”, and “motor” include the above contents unless otherwise specified.
- a second power output device includes: a motor rotatably driven by a polyphase AC; an inverter circuit capable of supplying polyphase AC power to the motor by switching a plurality of switching elements; and the inverter circuit.
- a first power supply connected to one of the positive and negative buses and a neutral point of the electric motor, and the other bus different from the one bus of the inverter circuit.
- the neutral point of the motor A second power supply connected to the motor, a coil of the electric motor, and the switching element.
- the power supply converts the power from the second power supply and supplies the power to the first power supply.
- the present invention further comprises a temperature adjusting means for controlling the switching element of the circuit circuit for controlling the temperature based on the temperature of the second power supply.
- the same effect as the first power output device can be obtained.
- the first power supply is a power storage device that can be charged by using power from the second power supply
- the temperature adjustment means includes: It may be a means for adjusting the storage voltage of the power storage device by the switching control based on the temperature of the conversion unit or the temperature of the second power supply.
- the temperature adjusting means may be configured to control a storage voltage of the power storage device normally.
- the storage voltage of the power storage device is normally set. It may be a means for controlling the switching so as to lower the pressure. Further, in the first or second power output device according to the aspect of the present invention having a power storage device, when the temperature of the power conversion unit is equal to or higher than a third threshold, the temperature of the power storage device is increased. It may be a means for controlling the switching 1 by limiting the voltage. As described above, by adjusting the storage voltage of the power storage device based on the temperature of the power conversion unit and the temperature of the second power supply, the temperature of the power conversion unit and the temperature of the second power supply are managed in a more appropriate state. be able to.
- the temperature adjusting means includes a switching frequency of a switching element of the inverter circuit based on a temperature of the power conversion means or a temperature of the second power supply. And means for performing switching control at the set switching frequency.
- the temperature adjustment means may switch the switch of the inverter circuit.
- the switching frequency of the switching element may be set lower than normal to perform switching control, and the temperature adjusting unit may be configured to perform the switching when the temperature of the second power supply is equal to or higher than a fifth threshold value.
- the switching means may be a means for setting a switching frequency of a switching element of the above-mentioned overnight circuit higher than usual and performing switching control.
- the temperature adjusting means includes a coil of the electric motor included in the power conversion unit.
- the switching frequency of the switching element of the inverter circuit may be set higher than usual to perform switching control.
- the switching frequency of the switching element of the inverter circuit is set lower than normal to perform switching control. It can also be.
- the temperature of the power converter and the temperature of the second power supply are changed. Can be managed in a more appropriate state.
- a third power output device includes: a motor that is driven to rotate by polyphase alternating current; an inverter circuit that can supply polyphase AC power to the motor by switching a plurality of switching elements; A first power supply connected to the positive and negative buses of the motor; and a second power supply connected to one of the positive and negative buses of the inverter circuit and the neutral point of the motor.
- Temperature detecting means for detecting the temperature of the second power supply; and heating means for heating the second power supply when the detected temperature of the second power supply is equal to or lower than a predetermined threshold. That is the gist.
- the heating means heats the second power supply when the temperature of the second power supply is equal to or lower than the predetermined threshold value. It can be heated up to its full capacity.
- a fourth power output device includes: a motor that is driven to rotate by polyphase AC; an inverter circuit that can supply polyphase AC power to the motor by switching a plurality of switching elements; and an inverter circuit that Either the positive bus or the negative bus
- a first power supply connected to one bus and a neutral point of the motor; a first power supply connected to another bus different from the one bus of the inverter circuit and a neutral point of the motor;
- the gist is to provide
- the same effects as those of the third power output device can be obtained.
- the gist of the first vehicle of the present invention is to mount the first, second, third, and fourth power output devices of the present invention in each of the above aspects. Thereby, the temperature in the device can be more appropriately managed, and a vehicle exhibiting sufficient performance can be provided.
- a first method of controlling a power output device includes: a motor that is rotationally driven by a polyphase AC; an inverter circuit that can supply polyphase AC power to the motor by switching a plurality of switching elements; A first power supply connected to the positive bus and the negative bus of the inverter circuit; and a bus connected to one of the positive bus and the negative bus of the inverter circuit and a neutral point of the motor.
- a power output device comprising: a second power supply, comprising: a coil of the electric motor and the switching element; converting the power from the second power supply to the first power supply;
- the switching control of the switching element of the inverter circuit is performed so as to adjust the temperature based on the temperature of the power supply unit that can be supplied or the temperature of the second power supply.
- the switching element of the inverter circuit is switched to control the temperature based on the temperature of the power conversion unit or the temperature of the second power supply.
- the temperature of the power conversion unit and the temperature of the second power supply can be managed in a more appropriate state, and the performance of the device can be sufficiently exhibited.
- a second method of controlling a power output device includes: a motor that is driven to rotate by polyphase alternating current; an inverter circuit that can supply multiphase AC power to the motor by switching a plurality of switching elements; A first power supply connected to one of the positive bus and the negative bus of the inverter circuit and a neutral point of the electric motor; and the other of the one bus different from the one bus of the inverter circuit. Bus and neutral of the motor And a second power supply connected to a power supply, the power supply including: a coil of the electric motor and the switching element; converting the power from the second power supply to the second power supply.
- the switching control of the switching element of the inverter circuit is performed so as to adjust the temperature based on the temperature of the power converter that can be supplied to the first power supply or the temperature of the second power supply.
- control method of the second power output device of the present invention the same effect as the control method of the first power output device can be obtained.
- the control method of the first or second power output device of the present invention it is possible to charge using the power from the second power supply based on the temperature of the second power supply or the temperature of the power conversion unit.
- the storage voltage of the first power supply as a power storage device may be adjusted by the switching control. In this way, by adjusting the storage voltage of the power storage device, the temperature of the power conversion unit and the temperature of the second power supply can be managed in a more appropriate state.
- the switching frequency of the switching element of the inverter circuit is determined based on a temperature of the power converter or a temperature of the second power supply. It is also possible to set and perform switching control at the set switching frequency. With this configuration, by changing the setting of the switching frequency in the switching element of the inverter circuit, the temperature of the power conversion unit and the temperature of the second power supply can be managed in a more appropriate state.
- a first storage medium includes: a motor that rotationally drives a computer with a polyphase alternating current; an inverter circuit that can supply polyphase alternating current power to the motor by switching a plurality of switching elements; A first power supply connected to the positive bus and the negative bus of the inverter circuit; and a bus connected to one of the positive bus and the negative bus of the inverter circuit and a neutral point of the motor.
- a power output unit that includes a coil of the electric motor and the switching element, and that can convert power from the second power supply and supply the power to the first power supply.
- a computer functioning as temperature adjusting means for performing switching control of a switching element of the inverter circuit so as to adjust the temperature based on the temperature of the second power supply or the temperature of the second power supply.
- the computer is caused to function as temperature adjusting means for performing switching control of the switching element of the inverter circuit to adjust the temperature based on the temperature of the power converter or the temperature of the second power supply. Since the computer-readable program is stored, when installed in a power output device and executed, the temperature of the power converter and the temperature of the second power supply can be controlled to a more appropriate state with a simple configuration. And the performance of the device can be fully exhibited.
- a second storage medium includes: a motor that rotationally drives a computer with a polyphase alternating current; an inverter circuit that can supply polyphase alternating current power to the motor by switching a plurality of switching elements; A first power supply connected to one of the positive bus and the negative bus of the inverter circuit and a neutral point of the electric motor; and the other of the one bus different from the one bus of the inverter circuit. And a second power supply connected to a neutral point of the motor and a second power supply connected to a neutral point of the motor.
- the power output device includes a coil of the motor and the switching element, and converts power from the second power supply.
- gist that stores a computer readable program to function as a node device.
- the same effects as those of the first storage medium can be obtained.
- an electric motor that rotationally drives a computer with a multi-phase alternating current, an inverter circuit that can supply multi-phase AC power to the electric motor by switching a plurality of switching elements, and A first power supply connected to the positive bus and the negative bus of the evening circuit; and a bus connected to one of the positive bus and the negative bus of the inverter overnight circuit and a neutral point of the motor.
- a power conversion unit including a coil of the electric motor and the switching element, configured to convert power from the second power supply and supply the power to the first power supply in a power output device including a second power supply.
- a computer which functions as temperature control means for controlling switching of the switching element of the inverter circuit based on the temperature or the temperature of the second power supply. And summarized in that a readable program.
- the temperature control means for performing switching control of the switching element of the inverter circuit to adjust the temperature of the convenience store based on the temperature of the power conversion unit or the temperature of the second power supply.
- an electric motor that rotationally drives a computer with a multi-phase alternating current
- an inverter circuit that can supply multi-phase alternating current power to the electric motor by switching a plurality of switching elements
- a first power supply connected to one of the positive bus and the negative bus of the evening circuit and the neutral point of the electric motor
- a first power source connected to the other bus different from the one bus of the inverter overnight circuit.
- the power output device includes a coil of the motor and the switching element, and converts power from the second power supply to the second power supply.
- the driving device has an energy storage means capable of temporarily storing DC current as energy, and uses the energy stored in the energy storage means to switch an input DC voltage to a switching element.
- a DC / C converter capable of DC / DC conversion and supply to a load by a DC / DC converter, a power supply capable of supplying DC power to the DC / DC converter, and a temperature of the power supply or the temperature of the DC / DC converter.
- a temperature control means for controlling the switching of the switching element to adjust the temperature is provided.
- the temperature control means controls the switching of the switching element to adjust the temperature of the corresponding member based on the temperature of the power supply or the temperature of the DC / DC converter.
- the temperature of the power supply and the temperature of the DC / DC converter can be managed in a more appropriate state, and the performance of the equipment can be fully demonstrated. Wear.
- the “power source” includes those that can be charged and discharged.
- “power supply” includes the above contents unless otherwise specified.
- the driving device further includes a power storage device capable of charging the power output from the DC / DC converter
- the temperature control unit includes a temperature of the power supply or a temperature of the DC / DC converter. It may be a means for adjusting the storage voltage of the power storage device based on the switching control by switching control.
- the temperature adjustment means switches the storage voltage of the power storage device to be higher than normal when the temperature of the power supply is equal to or lower than a first threshold value.
- the temperature control unit may be a unit that performs switching control such that the storage voltage of the power storage device becomes lower than normal when the temperature of the power supply is equal to or higher than a second threshold value. Can also be used.
- the temperature control unit restricts the storage voltage of the power storage device and performs switching. It may be a means for controlling. In this way, by adjusting the storage voltage of the power storage device, the temperature of the power supply and the temperature of the DC / DC converter can be managed in a more appropriate state.
- the temperature adjusting means sets a switching frequency of the switching element based on a temperature of the power supply or a temperature of the DC / DC converter, and the set switching frequency. It is also possible to use a means for performing switching control in. In the driving device according to the aspect of the present invention, when the temperature of the power supply is equal to or lower than a fourth threshold value, the temperature adjusting means sets the switching frequency lower than normal and performs switching control.
- the temperature adjusting means may be means for setting the switching frequency higher than usual and performing switching control when the temperature of the power supply is equal to or higher than a fifth threshold value.
- the temperature adjustment unit is configured such that the temperature of the switching element is equal to or higher than a sixth threshold value.
- the switching frequency may be set lower than usual to perform switching control, and the temperature adjustment unit may be used.
- the temperature of the energy storage means is equal to or higher than a seventh threshold value
- the switching frequency of the switching element may be set higher than usual to perform switching control.
- the load is a motor that is rotationally driven by a polyphase AC, and converts the DC power converted by the DC / DC converter into polyphase AC power and supplies the converted power to the motor. It may be equipped with a possible circuit for overnight.
- the second vehicle of the present invention is characterized in that a driving device in which a load is an electric motor that rotates and drives a load by a polyphase alternating current and the electric motor are mounted.
- a driving device in which a load is an electric motor that rotates and drives a load by a polyphase alternating current and the electric motor are mounted.
- a control method of a drive device includes an energy storage means capable of temporarily storing DC current as energy, and utilizes the energy storage means to convert an input DC voltage into a DC / DC voltage by switching a switching element.
- a method for controlling a drive device comprising: a DCZC converter capable of DC conversion and supplying a DC power to a load; and a power supply capable of supplying DC power to the DCCZC converter at a time. The switching control of the switching element is performed to adjust the temperature based on the temperature of the DC / DC converter.
- the switching element is switched to adjust the temperature of the corresponding member based on the temperature of the power supply or the temperature of the DC / DC converter.
- the temperature of the power supply and the temperature of the DC ZDC converter can be managed in a more appropriate state, and the performance of the equipment can be fully exhibited.
- the drive device includes a power storage device capable of charging the power output from the DC / DC converter based on the temperature of the power supply or the temperature of the switching element.
- the storage voltage of the power storage device may be adjusted by switching control. By adjusting the storage voltage of the power storage device in this way, the temperature of the power supply and the DC / DC The temperature of the evening can be managed in a more appropriate state.
- the switching frequency of the switching element is set based on the temperature of the power supply or the temperature of the DC / DC converter, and the switching control is performed at the set switching frequency. It can also be characterized. As described above, by adjusting the setting of the switching frequency in the switching element of the DC / DC converter, the temperature of the power supply and the temperature of the DC / DC converter can be managed in a more appropriate state.
- a third storage medium according to the present invention includes a computer which has an energy storage means capable of temporarily storing DC current as energy, and which stores a DC voltage input using energy stored in the energy storage means.
- a DC / DC converter capable of DC / DC conversion by switching of a switching element and supplying the DC / DC to a load; and a DC power supply capable of supplying DC power to the DC / DC converter at a time.
- a computer-readable program that functions as temperature adjusting means for performing switching control of the switching element to adjust the temperature based on the temperature of the DC / DC converter is stored.
- the computer-readable recording medium causes the computer to function as temperature control means for controlling the switching element of the inverter circuit to control the temperature based on the temperature of the power supply or the temperature of the DCZ DC converter. Since the available programs are stored, the power supply temperature and the DC / DC converter temperature can be managed in a more appropriate state with a simple configuration when installed and executed in the drive device, and the performance of the device is sufficient. Can be demonstrated.
- a computer is provided with an energy storage means capable of temporarily storing DC current as energy, and having a DC voltage inputted by utilizing the energy stored in the energy storage means.
- a DC / DC converter capable of DC / DC conversion by switching of a switching element and supplying the DC / DC to a load; and a power supply capable of supplying DC power to the DC / DC converter.
- the gist of the present invention is a computer-readable program that functions as temperature control means for performing switching control of the switching element in order to control the temperature based on the temperature or the temperature of the DC / DC converter.
- the third program of the present invention allows the convenience store to function as temperature control means for performing switching control of the switching element of the inverter circuit in order to control the temperature based on the temperature of the power supply or the temperature of the DC / DC converter.
- the temperature of the power supply and the temperature of the DCZD C converter can be managed in a more appropriate state with a simple configuration, and the performance of the device can be fully demonstrated.
- FIG. 1 is a configuration diagram schematically showing a configuration of a power output device 20 according to a first embodiment of the present invention.
- Fig. 2 is a circuit diagram of the power output device 20 focusing on the u-phase of the three-phase coil of the motor 22.
- FIG. 3 is a flowchart showing an example of a power supply temperature rise processing routine executed by the electronic control unit 40 of the power output device 20.
- FIG. 4 is an explanatory diagram illustrating a waveform of the neutral point current during the heating operation.
- FIG. 5 is a configuration diagram schematically showing the configuration of a power output device 20B according to a modification.
- Fig. 6 shows the power output device 20 of the modified example focusing on the u-phase of the three-phase coil
- FIG. 4 is a circuit diagram of B.
- FIG. 7 is a flowchart showing an example of a circuit temperature adjustment processing routine executed by the electronic control unit 40.
- FIG. 8 is a diagram showing a relationship between the reactor temperature T1 and the voltage upper limit Vlmax and a relationship between the transistor evening temperature Tt and the voltage upper limit Vtmax.
- FIG. 9 is a flowchart illustrating an example of a circuit temperature adjustment processing routine executed by the electric control unit 40.
- FIG. 10 is a diagram showing a relationship between the heat generation amount of the transistors T1 to T6, the heat generation amount of the coil of the motor 22 and the switching frequency.
- FIG. 11 is a configuration diagram schematically showing the configuration of a power output device 120 of the second embodiment.
- FIG. 12 is a flowchart illustrating an example of a power supply temperature increase processing routine executed by the electronic control unit 140 of the power output device 120 according to the second embodiment.
- FIG. 13 is a flowchart showing an example of a routine executed by the electric control unit 140: a DC / DC converter overnight temperature adjustment processing routine.
- FIG. 14 is a diagram showing the relationship between the reactor temperature T 12 and the voltage upper limit Vlmax 2 and the relationship between the transistor temperature T t 2 and the voltage upper limit V t max 2.
- FIG. 15 is a flowchart showing an example of a DC / DC converter overnight temperature adjustment processing routine executed by the electronic control unit 140.
- FIG. 16 is a diagram illustrating a relationship between the heat generation amount of the transistors T 7 and T 8, the heat generation amount of the reactor L, and the switching frequency.
- FIG. 1 is a configuration diagram schematically showing the configuration of a power output device 20 according to a first embodiment of the present invention.
- the power output device 20 according to the first embodiment includes a motor 22 that is driven to rotate by a three-phase AC, and a member circuit 2 that can convert DC power into three-phase AC power and supply the three-phase AC power to the motor 22. 4, the capacitor 30 connected to the positive bus 26 and the negative bus 28 of the inverter circuit 24, and the neutral point of the motor 22 and the negative bus 28 of the inverter circuit 24. It is provided with a connected DC power supply 32, a temperature sensor 50 for detecting the temperature of the DC power supply 32, and an electronic control unit 40 for controlling the entire apparatus.
- the motor 22 is configured as, for example, a synchronous generator motor capable of generating electricity, comprising a rotor having a permanent magnet attached to its outer surface and a stay having a three-phase coil wound thereon.
- the rotation shaft of the motor 22 is the output shaft of the power output device 20 of the first embodiment, and power is output from this rotation shaft. Further, since the motor 22 of the first embodiment is configured as a generator motor, power can be generated by the motor 22 by inputting power to the rotating shaft of the motor 22.
- the rotating shaft of the motor 22 is directly or indirectly connected to the wheel axle. .
- the inverter circuit 24 includes six transistors T1 to T6 and six diodes D1 to D6. Six transistors T 1 to T 6 Two pairs are arranged so that they are the source side and the sink side with respect to the positive bus 26 and the negative bus 28, respectively, and each of the three-phase coils (uvw) is connected to its connection point. Have been.
- the capacitor 30 is configured to function as a DC power supply for rotating the motor 22. This function will be described in detail later.
- the DC power source 32 is configured as, for example, a nickel-metal hydride or lithium ion secondary battery.
- the DC power supply 32 is formed to have a larger storage capacity than the capacity of the capacitor 30 when the voltage is the same, for example.
- the electronic control unit 40 is configured as a microprocessor centered on the CPU 42.
- the ROM 44 stores processing programs, the RAM 46 temporarily stores data, and the input / output. Port (not shown).
- the power supply temperature Tb from the temperature sensor 50 that detects the temperature of the DC power supply 32 and command values related to the operation of the motor 22 are input to the electronic control unit 40 via input ports. From the electronic control unit 40, a control signal for performing switching control of the transistors T1 to T6 of the inverter circuit 24 is output via an output port.
- FIG. 2 is a circuit diagram of the power output device 20 focusing on the u-phase of the three-phase coil of the motor 22.
- the u-phase transistor ⁇ 2 of the inverter circuit 24 is turned on. In this state, a short circuit indicated by a dashed arrow in the figure is formed, and the u-phase of the three-phase coil of the motor 22 is formed. Functions as a reactor.
- the transistor # 2 is turned off from this state, the energy stored in the u-phase of the three-phase coil functioning as a reactor is stored in the capacitor 30 by the circuit indicated by the solid arrow in the figure. The voltage at this time can be higher than the supply voltage of the DC power supply 32.
- the DC power supply 32 can be charged using the potential of the capacitor 30 in this circuit. Therefore, this circuit boosts and lowers the energy of the DC power supply 32 and stores the energy in the capacitor 30 while charging the DC power supply 32 using the potential of the capacitor 30. It can be regarded as a power circuit. Since the vw phase of the three-phase coil of the motor 22 can be regarded as a buck-boost chopper circuit like the u phase, the capacitor 30 is charged by turning on and off the transistors T2, T4, and T6, The DC power supply 32 can be charged using the stored charge.
- the switching control of the transistors ⁇ 2, T4, and T6 of the inverter circuit 24 is performed.
- the voltage between the terminals of the capacitor 30 can be adjusted by adjusting the current flowing through the reactor by performing the above operation.
- pseudo three-phase alternating current may be supplied to the three-phase coil of the motor 22 by switching control of the transistors T1 to T6 of the inverter circuit 24. .
- the motor 22 is driven to rotate by the AC component, and
- the DC component can be stored in the capacitor 30. Therefore, the motor 22 can be driven while adjusting the voltage between the terminals of the capacitor 30 by the switching control of the transistors # 1 to # 6 of the inverter circuit 24.
- the voltage between the terminals of the capacitor 30 is adjusted, for example, to be approximately twice the voltage between the terminals of the DC power supply 32.
- FIG. 3 is a flowchart showing an example of a power supply temperature increase processing routine executed by the electronic control unit 40 of the power output device 20. This routine is repeatedly executed at predetermined time intervals.
- the CPU 42 of the electronic control unit 40 first reads the power supply temperature Tb of the DC power supply 32 from the temperature sensor 50 (Step S100), and reads the read power supply temperature. It is determined whether or not Tb exceeds a predetermined threshold value Tblow (step S102).
- the threshold value Tblow is a threshold value for determining whether or not the DC power supply 32 can output the rated output or the electric power necessary for driving the motor 22, and is determined by the specification of the power supply.
- the determination as to whether or not required power can be output based on the power supply temperature Tb is based on the fact that when the power supply temperature Tb of the DC power supply 32 decreases, the internal resistance increases accordingly and the output can be output to the module 22.
- Step S104 when it is determined that the power supply temperature Tb exceeds the threshold value Tblow, it is determined that the necessary power can be supplied to the motor 22 and the normal drive control of the motor 22 (normal Operation) (Step S104). Specifically, a torque command value is set based on the required output of the motor 22 and, based on this setting, switching control of the transistors T1 to T6 of the inverter circuit 24 is performed to perform the motor control. Drive 2 2 At this time, the switching frequency of the transistors 1 to 6, that is, the frequency of the carrier, is such that the torque ripple of the motor 22 is small and the loss due to the switching of the transistors T 1 to T 6 of the inverter circuit 24 is reduced. It is set to a frequency suitable for.
- step S106 the neutral point current ripple flowing to the neutral point of the motor 22 is converted to the neutral point current ripple generated by the normal motor 22 drive control.
- the increased neutral point current flows through the DC power supply 32, so that the DC power supply 32 can be heated quickly, and its performance can be fully exhibited. You can.
- the voltage between the terminals of the capacitor 30 is set to the voltage between the terminals of the capacitor 30 during normal motor 22 drive control, for example, the voltage between the terminals that is approximately twice the voltage between the terminals of the DC power supply 32.
- the carrier frequency is set low, and the switching control of the transistors T1 to T6 is performed based on these settings.
- the neutral point current flowing in the neutral point of the motor 22 oscillates at the same frequency as the carrier wave, so that the carrier frequency is set lower and the transistors 1 to 6 are switched.
- the latter causes the potential of the neutral point of the motor 22 to instantaneously increase the voltage between the terminals of the capacitor 30.
- the DC power supply 32 can be quickly heated to a temperature at which sufficient power can be supplied while driving the motor 22.
- the temperature of the DC power When the frequency is low, the frequency of the carrier is set low and the voltage between the terminals of the capacitor 30 is set high, and the switching control of the transistors T1 to T6 is performed based on these settings. A large amount of ripple current can flow, and the low-temperature DC power supply 32 can be quickly heated. As a result, the performance of the DC power supply 32 can be sufficiently exhibited.
- the capacitor 30 is attached so as to connect the positive bus 26 and the negative bus 28 of the inverter circuit 24. As shown in the output device 20 #, a capacitor 30 # may be attached to connect the positive bus 26 of the inverter circuit 24 to the neutral point of the module 22.
- a DC power supply having a voltage equal to the sum of the voltage between the terminals by the capacitor 30 ⁇ and the voltage between the terminals by the DC power supply 32 is connected to the positive electrode of the inverter circuit 24.
- FIG. 6 is a circuit diagram of a power output device 20 # of a modified example focusing on the u-phase of the three-phase coil of the motor 22.
- the transistor # 2 is turned on, a short circuit is formed as indicated by a broken arrow in the figure, and the XI phase of the three-phase coil of the motor 22 functions as a reactor.
- the transistor # 2 is turned off from this state, the energy stored in the U-phase of the three-phase coil functioning as a reactor is stored in the capacitor 30 # by the circuit indicated by the solid line arrow in the figure.
- the DC power supply 32 can be similarly charged using the electric charge of the capacitor 30.
- this circuit can be regarded as a chopper circuit capable of storing the energy of DC power supply 32 in capacitor 30 # and charging DC power supply 32 using the potential of capacitor 30 #. Since the vw phase of the motor 22 can be regarded as a chopper circuit like the u phase, the capacitor 30 is charged by turning on and off the transistors 1 to 6 and the capacitor 30 is turned on and off. The DC power source 32 can be charged using the electric charge stored in the DC power supply. Since the potential difference caused by charging the capacitor 3OB varies depending on the amount of charge stored in the capacitor 30B, that is, the current flowing through the reactor, the switching control of the transistors T1 to T6 of the inverter circuit 24 is performed.
- the voltage between the terminals of the capacitor 30 # can be adjusted.
- a pseudo three-phase AC is supplied to the three-phase coil of the motor 22 by switching control of the transistors # 1 to # 6 of the inverter circuit 24. do it.
- a DC component is added to the three-phase AC, that is, the potential of the negative-phase AC is offset to the positive side or the negative side and supplied to the motor 22, the motor 22 is driven to rotate by the AC component At the same time, DC power can be stored in capacitor 30 3.
- the motor 22 can be driven while adjusting the voltage between the terminals of the capacitor 30 by the switching control of the transistors 6 to 6 of the inverter circuit 24.
- the terminal voltage of the capacitor 30 # can be set in the power output device 20 # of the modification in the same manner as in the power output device 20 of the first embodiment, and is illustrated in FIG.
- the temperature rise control processing routine can be performed. Note that the voltage between the terminals of the capacitor 30 ⁇ ⁇ is adjusted to be approximately the same as the voltage between the terminals of the DC power supply 32 during normal operation of the motor 22, and the DC power supply It will be set higher than the terminal voltage of 32.
- the DC power supply 32 is attached so as to connect the negative bus 28 of the inverter circuit 24 to the neutral point of the motor 22.
- the DC power supply 32 may be attached so that the positive bus 26 of the inverter circuit 24 and the neutral point of the motor 22 are connected.
- a DC power supply 32 is attached so that the negative bus 28 of the inverter circuit 24 is connected to the neutral point of the motor 22, and the inverter circuit is connected.
- a capacitor 30 mm was installed to connect the positive bus 26 of 24 and the neutral point of the motor 22, but the negative bus 28 of the circuit 24 and the motor 22 were connected.
- a DC power supply 32 to connect the positive bus 26 of the circuit 24 and the neutral point of the module 22 to the neutral point. It does not matter.
- the frequency of the carrier is set low and the voltage between the terminals of the capacitor 30 is increased.
- the switching control of the transistors T1 to T6 is performed by setting, but it is also possible to perform only one of them. If the setting to increase the voltage between the terminals of the capacitors 30 and 30 ⁇ ⁇ is not performed, charging of nickel-metal hydride or lithium ion type secondary batteries instead of the capacitors 30 and 30 ⁇ is required.
- a possible DC power supply may be attached.
- the DC power supply 32 is heated by switching control of the transistors 1 to 6.
- the DC power supply may be directly heated using any method, for example, heating.
- the DC power supply 32 when the power supply temperature Tb of the DC power supply 32 is equal to or lower than the threshold Tblow, the DC power supply 32 is heated.
- the temperature rise suppression operation for suppressing the temperature rise of the DC power supply 32 is performed. No problem.
- the process of the temperature rise suppression operation is the reverse of the process of the heating operation in step S106 of the routine in FIG. 3, that is, the ripple of the neutral point current is shown in FIG.
- the neutral point current with reduced ripple flows through the DC power source 32 to reduce the amount of heat generated by the internal resistance of the DC power source 32. Therefore, the temperature rise can be suppressed, and the performance of the DC power supply 32 can be sufficiently exhibited.
- the terminal voltage of the capacitor 30 is set to be lower than the terminal voltage required during normal operation (for example, the voltage is lower than twice the terminal voltage of the DC power supply 32).
- the carrier frequency is set higher than in normal operation, and the switching control of the transistors T1 to T6 is performed based on these settings.
- the process of the temperature rise suppression operation may be performed by executing either one of the setting of the voltage between the terminals of the capacitor 30 and the setting of the frequency of the carrier wave.
- the power output device 20 of the first embodiment and the power output device 20 In these modified examples, the process of heating the DC power supply 32 and the process of suppressing the temperature rise are performed in accordance with the power supply temperature Tb of the DC power supply 32, but the motor functioning as a buck-boost reactor is performed.
- the temperature of a step-up / step-down circuit composed of 22 phase coils and an inverter circuit 24 functioning as a switch for step-up / step-down driving, and transistors T1 to T6 of the inverter circuit 24, for example, each phase coil and transistor of the motor 22
- the switching control of the transistors # 1 to # 6 of the inverter circuit 24 may be performed according to the temperatures of # 6 to # 6.
- FIG. 7 is a flowchart showing an example of a circuit temperature adjustment processing routine executed by the electronic control unit 40. This routine is repeatedly executed at predetermined time intervals.
- the CPU 42 of the electronic control unit 40 first detects the temperature of each phase coil of the motor 22 detected by the temperature sensor 52 (reactor temperature ⁇ 1) and the temperature sensor 54.
- the temperature (transistor temperature T t) of the detected transistors ⁇ 1 to ⁇ 6 of the inverter circuit 24 is read (step S 110), and the capacitor 30 based on the read reactor temperature T 1 and transistor temperature T t is read.
- the upper limit value Vmax of the terminal voltage is set (step S112), and the transistors T1 to T6 of the inverter circuit 24 are switched within a range where the terminal voltage of the capacitor 30 does not exceed the set upper limit value Vmax. Control (step S114) and end this routine.
- the upper limit value Vmax of the voltage between the terminals of the capacitor 30 is set according to the relationship between the reactor temperature T1 and the upper limit value Vlmax of the voltage between the terminals of the capacitor 30 and the relationship between the transistor temperature Tt and the voltage between the terminals of the capacitor 30.
- the relationship with the upper limit value Vt max is obtained in advance by experiments or the like and stored in the ROM 44 as a map.
- the upper limit value VI max, Vt max is derived, and the smaller of these values is derived as the upper limit value Vmax of the voltage between terminals of the capacitor 30.
- Figure 8 shows the relationship between the reactor temperature ⁇ 1 and the upper limit value Vlmax of the terminal voltage of the capacitor 30 and the transistor temperature T t and the upper limit value Vt max of the terminal voltage of the capacitor 30. 4 shows a map showing the relationship with the map.
- the motor 22 By limiting the voltage between the terminals of the capacitor 30 according to the temperature of each phase coil of the motor 22 and the transistors T1 to T6 of the inverter circuit 24, the motor 22 Each phase coil and transistors ⁇ ⁇ ⁇ ⁇ ⁇ 1 to ⁇ 6 can be protected from overheating, and their stable operation can be ensured.
- the upper limit value of the voltage between the terminals of the capacitor 30 is determined based on the reactor temperature ⁇ 1 of each phase coil of the motor 22 and the transistor temperature T t of the transistor ⁇ :! To ⁇ 6.
- Vmax is set, the upper limit value Vmax of the voltage between the terminals of the capacitor 30 may be set based on one of the reactor temperature T1 and the transistor temperature Tt.
- the voltage between the terminals of the capacitor 30 is limited to protect the coils of each phase of the motor 22 and the transistors T1 to T6 from overheating, but the transistors ⁇ 1 to ⁇ By adjusting the switching frequency of 6, it is also possible to protect each phase coil and transistors ⁇ 1 to ⁇ 6 of motor 22 from overheating.
- Fig. 9 shows the circuit temperature executed by the electronic control unit 40. It is a flowchart which shows an example of an adjustment processing routine.
- the CPU 42 of the electronic control unit 40 first reads the reactor temperature ⁇ 1 and the transistor temperature Tt detected by the temperature sensors 52, 54 (step S 12 0), based on the read reactor temperature T 1 and the transistor temperature T t, set the switching frequency (carrier frequency) of the transistors T 1 to T 6 (step S 122) and set Switching control is performed on the transistors # 1 to # 6 at the changed switching frequency (step S124), and this routine ends.
- the setting of the switching frequency of the transistors 1 to 6 is performed in this modified example.
- the switching frequency is set to be higher than the switching frequency set in the normal operation, and the switching frequency is set lower than the switching frequency set in the normal operation when the transistor temperature T t exceeds the threshold value T t hi.
- FIG. 10 shows the relationship between the switching frequency, the heat value of each phase coil of the motor 22 and the heat value of the transistors T1 to T6. As shown in Fig. 10, the higher the switching frequency, the lower the heat generation of each phase coil, and the lower the switching frequency.
- the switching frequency is increased, and the transistors ⁇ 1 to ⁇
- the part that functions as a buck-boost chopper circuit can be protected from overheating and its stable operation can be ensured.
- the temperature adjustment process of the DC power source 32 and the temperature adjustment process of each phase coil and the transistors # 1 to # 6 of the motor 22 are performed.
- Various forms of storage media such as a storage medium storing a computer-readable program for causing a computer to function as a control system, for example, a CD-R II or a DVD-ROMs flexible disk are also possible.
- the program according to the embodiment of the present invention is installed in the electronic control system and the program is executed, thereby achieving the effects of the present invention.
- FIG. 11 is a configuration diagram schematically showing the configuration of a power output device 120 of the second embodiment.
- the power output device 120 of the second embodiment includes a coil driver circuit 24 of each phase of the motor 22 in the power output device 20 of the first embodiment.
- a DC / DC converter 148 that performs buck-boost operation is provided. It has the same configuration as the power output device 20 of the first embodiment.
- the power output device 12 ⁇ of the second embodiment is capable of rotating the motor 122 by three-phase AC and converting the DC power into three-phase AC power and supplying it to the motor 122.
- a capacitor 130 connected to the positive bus, 1 26 and negative bus 1 28 of the inverter circuit 1 2 4 and the inverter circuit 1 2 4 and a chargeable / dischargeable DC power supply 1 32
- a DC / DC converter 148 that can boost the DC voltage from the DC power supply 132 and supply it to the capacitor 130; a temperature sensor 150 that detects the temperature of the DC power supply 132;
- An electronic control unit 140 for controlling the entire apparatus is provided.
- the configuration of the power output device 120 of the second embodiment corresponds to the power output device 20 of the first embodiment. The configuration is denoted by a reference numeral with 100 added, and the detailed description thereof is omitted.
- the DC / DC converter 148 is composed of two transistors T7 and T8 arranged so as to be on the source side and the sink side with respect to the positive bus 126 and the negative bus 128 of the inverter circuit 124, respectively. It includes two diodes D7, D8 connected in anti-parallel to the transistors T7, T8, respectively, and a reactor L connected to a connection point M between the transistors T7, T8.
- the electronic control unit 140 outputs a control signal for performing switching control on the transistors T 7 and T 8 of the DC / DC converter 148.
- FIG. 12 is a flowchart illustrating an example of a power supply temperature increase processing routine executed by the electronic control unit 140 of the power output device 120 according to the second embodiment. This routine is repeatedly executed at predetermined time intervals.
- the CPU 12 of the electronic control unit 140 first reads the battery temperature Tb2 of the DC power supply 132 (step S200), and sets the read power supply temperature Tb2 to the threshold Tblow2. Is determined (step S202). If the power supply temperature Tb exceeds the threshold value Tblow2 as a result of the determination, the DC power supply 132 determines that sufficient power can be supplied to the motor 122, and the setting is performed when the normal motor 122 is driven.
- the DC / DC converter 148 is drive-controlled (normal operation processing) using the voltage between the terminals of the capacitor 130 and the switching frequency of the transistors T7 and T8 (step S204), and the power supply temperature Tb becomes a threshold.
- step S206 End this routine.
- This heating operation is a process of making the ripple of the current flowing through the reactor L larger than the ripple generated by the normal operation in step S204, and this increased current ripple flows to the DC power supply 132. As a result, heat generation in the internal resistance of the DC power supply 132 is promoted, and the DC power supply 132 can be quickly heated, and its performance can be fully exhibited.
- capacitor 1 The voltage between the terminals of 30 is set higher than the voltage between the terminals of the capacitor 130 required for normal operation of the motor 1 2 2 and the transistor T 7 of the DC / DC converter 1 48
- the switching frequency (carrier frequency) of T8 is set lower than usual, and the drive of DC / DC converter 148 is controlled based on these settings. This is because the potential at the connection point M between the transistors T7 and T8 fluctuates within the range of the voltage between the terminals of the capacitor 130 and at the same frequency as the switching frequency of the transistors T7 and T8. This is based on the fact that the higher the voltage between the terminals of 130 and the lower the switching frequency of the transistors T7 and T8, the larger the current ripple flowing through the DC power supply 132.
- the terminal voltage of the capacitor 130 is set to be higher than that during normal operation.
- the switching frequency (carrier frequency) of the transistors T7 and T8 is set low, and the drive control of the DC / DC converter 148 is performed based on these settings.
- a relatively large ripple current can flow, and the DC power supply 132 can be quickly heated. Therefore, the same effect as that of the power output device 20 of the first embodiment can be obtained.
- the heating operation for heating the DC power supply 1 32 is performed.
- the power supply temperature Tb of the DC power supply 132 is equal to or higher than the threshold Tbhi2
- the DC power supply 1 32 It is also possible to perform a temperature rise suppression operation for suppressing the temperature rise.
- the process of the temperature rise suppression operation is the reverse of the process of the heating operation in step S206 of the routine of FIG. 12, that is, the ripple of the current flowing through the DC power supply 132 is shown in FIG. This is a process to reduce the current ripple that occurs in the normal operation process in step S204 of the DC power supply.
- the amount of heat generated can be suppressed, and the rise in temperature can be suppressed.
- the switching frequency of the transistors T7 and T8 Carrier frequency
- the switching control of the transistors T7 and ⁇ 8 of the DC / DC converter 148 is performed based on these settings. It should be noted that the process of the temperature rise suppression operation may be performed by executing one of the setting of the voltage between terminals of the capacitor 130 and the setting of the frequency of the carrier wave.
- FIG. 13 is a flowchart showing an example of a DC / DC converter temperature adjustment processing routine executed by the electronic control unit 140. This routine is repeatedly executed at predetermined time intervals.
- the CPU 142 of the electronic control unit 140 first detects the temperature of the reactor L (reactor temperature T 12) detected by the temperature sensor 152 and the temperature detected by the temperature sensor 154.
- the temperature of the transistors T 7 and T 8 (transistor temperature T t 2) is read (step S 210), and the upper limit of the voltage between the terminals of the capacitor 130 is determined based on the read reactor temperature T 12 and the transistor temperature Tt 2.
- a value Vmax2 is set (step S212), and switching control is performed on the transistors T7 and T8 of the DC / DC converter 148 within a range where the voltage between the terminals of the capacitor 130 does not exceed the set upper limit value Vmax2. (Step S214) This routine ends.
- the upper limit value Vmax2 of the voltage between the terminals of the capacitor 130 is set according to the relationship between the reactor temperature T12 and the upper limit value V1max2 of the voltage between the terminals of the capacitor 130, and the transistor temperature Tt2 and the upper limit value of the capacitor 130.
- the relationship between the upper limit value Vt max of the inter-terminal voltage is obtained in advance through experiments and the like, and stored in the ROM 144 as a map.
- the map corresponds to the map.
- the upper limits V lmax2 and Vtmax2 are derived, and the smaller one of them is derived as the upper limit Vmax2 of the voltage between terminals of the capacitor 130.
- Limiting the voltage between the terminals of capacitor 130 is to reduce the current ripple flowing through reactor L to a low level. This is to suppress the heat generated by the switching of the transistors T7 and ⁇ 8 of the DC / DC converter 148.
- Fig. 14 shows a map showing the relationship between the reactor temperature ⁇ 12 and the upper limit value Vlmax2 of the voltage between terminals of the capacitor 130, and the relationship between the transistor temperature Tt2 and the upper limit value Vtmax2 of the voltage between the terminals of the capacitor 130. . In this way, by limiting the voltage between the terminals of the capacitor 130 in accordance with the temperature of the reactor L and the temperature of the transistors T7 and T8 of the DC / DC converter 148, the DC / DC converter 148 is protected from overheating.
- the upper limit value VmaX2 of the voltage between the terminals of the capacitor 130 is set based on the reactor temperature T12 and the transistor temperature Tt2.
- the reactor temperature T12 and the transistor temperature Tt2 are set.
- the upper limit value Vmax2 of the voltage between the terminals of the capacitor 130 may be set based on one of the two.
- the upper limit value Vmax2 of the voltage between the terminals of the capacitor 130 may be set based on the internal temperature of the reactor L and transistors T7, T8 and other components;
- the DC / DC converter 148 is protected from overheating by limiting the voltage between the terminals of the capacitor 130.However, by adjusting the switching frequency of the transistors 7 and T8, the DC / DC / DC Compa overnight 1
- FIG. 15 is a flowchart showing an example of a D CZD C converter temperature adjustment processing routine executed by the electronic control unit 140.
- this DC / DC controller overnight temperature adjustment processing routine is executed, the CPU 142 of the electronic control unit 140 first sends the temperature sensors 152, 1
- the reactor temperature T12 and the transistor temperature Tt2 detected by 54 are read (step S220), and the switching frequency of the transistors T7 and T8 (based on the read reactor temperature T12 and the transistor temperature Tt2).
- the frequency of the carrier is set (step S222), and the transistors T7 and T8 of the DCZ DC converter 148 are switched at the set switching frequency (step S224), and this routine ends.
- the switching frequency is set, for example, during the normal operation in step S204 of the routine in FIG.
- the switching frequency is set to be higher than the switching frequency set in the normal operation, and the switching frequency is set to be lower than the switching frequency set in the normal operation when the transistor temperature T t2 becomes equal to or higher than the threshold T t hi 2.
- Figure 16 shows the relationship between the switching frequency, the heat value of the reactor L, and the heat value of the transistors T7 and T8. As shown in Fig. 16, the higher the switching frequency, the lower the heat value of the reactor L, and the lower the switching frequency, the lower the heat value of the transistors # 7, # 8.
- the switching frequency is increased, and when the transistors ⁇ 7 and, 8 are overheated, the switching frequency is lowered to protect the DC / DC converter 148 from overheating.
- the stable operation can be ensured.
- the temperature of the DC power supply 132 as a power source for driving the motor 122 is adjusted, but power is consumed. It may be applied to a device that adjusts the temperature of a DC power supply as a power source for driving a general load.
- a computer functioning as a control system for controlling the temperature of the DC power supply 13 2 D D CZD C converter 14 8 (reactor L and transistors ⁇ 7, ⁇ 8)
- storage media such as a storage medium storing the program, for example, a CD-R0 or a DVD-ROM Ms flexible disk are also possible. By using such a storage medium, the program according to the embodiment of the present invention is installed in the control system and the program is executed, thereby achieving the effects of the present invention.
- synchronous generator motors driven by three-phase AC are used as the motors 22 and 122. Any type of electric motor driven by phase alternating current may be used.
- the power output device according to the present invention the vehicle equipped with the same, the control method and storage medium of the power output device and the program, the drive device according to the present invention, the vehicle equipped with the same, the control method of the drive device,
- the storage medium and the program are used to manage the temperature of a power supply as a power source of a motor or other electric equipment mounted as a drive source of a vehicle such as an automobile, and to be interposed between the power supply and the electric equipment. It is suitable for use in controlling the temperature of the power converter.
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- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
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- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
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- Automation & Control Theory (AREA)
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Ac Motors In General (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01974686A EP1286459B1 (en) | 2001-02-14 | 2001-10-04 | Drive device and control method, storing medium and program for the drive device |
DE60113832T DE60113832T2 (de) | 2001-02-14 | 2001-10-04 | Antriebsvorrichtung und regelverfahren, speichermedium und programm für die antriebsvorrichtung |
JP2002564826A JP3732828B2 (ja) | 2001-02-14 | 2001-10-04 | 動力出力装置およびこれを搭載する車輌、動力出力装置の制御方法および記憶媒体並びにプログラム、駆動装置およびこれを搭載する車輌、駆動装置の制御方法および記憶媒体並びにプログラム |
US10/239,889 US7120037B2 (en) | 2001-02-14 | 2001-10-04 | Power outputting device and vehicle mounting it, control method, storing medium and program for the power outputting device, drive device and vehicle mounting it, and, control method, storing medium and program for the drive device |
KR10-2002-7013657A KR100486321B1 (ko) | 2001-02-14 | 2001-10-04 | 동력 출력장치 및 이것을 탑재하는 차량, 동력 출력장치의 제어방법 및 기억매체, 구동장치 및 이것을 탑재하는 차량, 구동장치의 제어방법 및 기억매체 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-037007 | 2001-02-14 | ||
JP2001037007 | 2001-02-14 |
Publications (1)
Publication Number | Publication Date |
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WO2002065628A1 true WO2002065628A1 (fr) | 2002-08-22 |
Family
ID=18900195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/008751 WO2002065628A1 (fr) | 2001-02-14 | 2001-10-04 | Dispositif de production de puissance et dispositif d'entrainement, vehicule sur lequel lesdits dispositifs sont montes, et procedes de commande, supports de stockage et programmes desdits dispositifs |
Country Status (7)
Country | Link |
---|---|
US (1) | US7120037B2 (ja) |
EP (1) | EP1286459B1 (ja) |
JP (1) | JP3732828B2 (ja) |
KR (1) | KR100486321B1 (ja) |
CN (1) | CN1211908C (ja) |
DE (1) | DE60113832T2 (ja) |
WO (1) | WO2002065628A1 (ja) |
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- 2001-10-04 KR KR10-2002-7013657A patent/KR100486321B1/ko not_active IP Right Cessation
- 2001-10-04 JP JP2002564826A patent/JP3732828B2/ja not_active Expired - Fee Related
- 2001-10-04 EP EP01974686A patent/EP1286459B1/en not_active Expired - Lifetime
- 2001-10-04 US US10/239,889 patent/US7120037B2/en not_active Expired - Fee Related
- 2001-10-04 CN CNB018111963A patent/CN1211908C/zh not_active Expired - Fee Related
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007026700A (ja) * | 2005-07-12 | 2007-02-01 | Toyota Motor Corp | 二次電池の制御装置 |
US7629755B2 (en) | 2005-07-12 | 2009-12-08 | Toyota Jidosha Kabushiki Kaisha | Secondary battery control apparatus and secondary battery control method |
WO2007007900A1 (ja) * | 2005-07-12 | 2007-01-18 | Toyota Jidosha Kabushiki Kaisha | 二次電池の制御装置および制御方法 |
US8644045B2 (en) | 2007-07-26 | 2014-02-04 | Toyota Jidosha Kabushiki Kaisha | Temperature controlled voltage conversion device |
JP2010263719A (ja) * | 2009-05-08 | 2010-11-18 | Toyota Motor Corp | 動力出力システムおよびその制御方法、動力出力システムを搭載する車両 |
US8750008B2 (en) | 2010-02-17 | 2014-06-10 | Toyota Jidoha Kabushiki | Multi-phase converter for DC power supply with two choppers having magnetically coupled reactors |
JP2011217467A (ja) * | 2010-03-31 | 2011-10-27 | Toyota Industries Corp | 中性点昇圧方式の直流−三相変換装置 |
JP2011229247A (ja) * | 2010-04-19 | 2011-11-10 | Mitsubishi Electric Corp | Dc/dc電圧変換装置 |
CN103078590A (zh) * | 2011-10-25 | 2013-05-01 | 株式会社电装 | 用于马达-发电机的控制装置 |
CN103078590B (zh) * | 2011-10-25 | 2016-06-15 | 株式会社电装 | 用于马达-发电机的控制装置 |
US11881804B2 (en) * | 2018-11-29 | 2024-01-23 | Mitsubishi Electric Corporation | Rotating electric machine drive device |
CN111376795A (zh) * | 2018-12-29 | 2020-07-07 | 比亚迪汽车工业有限公司 | 用于加热电动汽车的电池的控制方法、系统及电动汽车 |
WO2020246038A1 (ja) * | 2019-06-07 | 2020-12-10 | 三菱電機株式会社 | モータ駆動装置、送風機、圧縮機及び空気調和機 |
Also Published As
Publication number | Publication date |
---|---|
KR100486321B1 (ko) | 2005-04-29 |
EP1286459A4 (en) | 2003-05-14 |
US7120037B2 (en) | 2006-10-10 |
US20030057914A1 (en) | 2003-03-27 |
CN1211908C (zh) | 2005-07-20 |
DE60113832D1 (de) | 2006-02-16 |
EP1286459A1 (en) | 2003-02-26 |
KR20030020270A (ko) | 2003-03-08 |
JPWO2002065628A1 (ja) | 2004-06-17 |
JP3732828B2 (ja) | 2006-01-11 |
DE60113832T2 (de) | 2006-07-06 |
CN1436395A (zh) | 2003-08-13 |
EP1286459B1 (en) | 2005-10-05 |
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