WO2011141785A1 - Convertisseur d'énergie et véhicule en étant pourvu - Google Patents

Convertisseur d'énergie et véhicule en étant pourvu Download PDF

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Publication number
WO2011141785A1
WO2011141785A1 PCT/IB2011/000907 IB2011000907W WO2011141785A1 WO 2011141785 A1 WO2011141785 A1 WO 2011141785A1 IB 2011000907 W IB2011000907 W IB 2011000907W WO 2011141785 A1 WO2011141785 A1 WO 2011141785A1
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WO
WIPO (PCT)
Prior art keywords
power
switch
storage device
electric power
output
Prior art date
Application number
PCT/IB2011/000907
Other languages
English (en)
Inventor
Wanleng Ang
Original Assignee
Toyota Jidosha Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Jidosha Kabushiki Kaisha filed Critical Toyota Jidosha Kabushiki Kaisha
Publication of WO2011141785A1 publication Critical patent/WO2011141785A1/fr

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33561—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having more than one ouput with independent control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
    • B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
    • 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
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/005—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting using a power saving mode
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
    • H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
    • H02M3/33584—Bidirectional converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/337—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration
    • H02M3/3376—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in push-pull configuration with automatic control of output voltage or current
    • 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
    • B60L2210/12—Buck converters
    • 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
    • B60L2210/14—Boost converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/30—AC to DC converters
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
    • 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
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the invention relates to power converter and a vehicle provided with this power converter. More particularly, the invention relates to a multi-output power converter and a vehicle provided with this multi-output power converter.
  • One known hybrid vehicle has an onboard power storage device that can be charged from a power supply outside the vehicle (hereinafter, such a power supply may also be referred to simply as an "external power supply” and such charging may also be referred to simply as “external charging”), similar to an electric vehicle.
  • a so-called plug-in hybrid vehicle is known in which a power storage device can be charged from a power supply of a typical home by connecting a charging inlet of the vehicle to an electrical outlet of a house, for example. This makes an increase in fuel consumption efficiency of hybrid vehicles promising.
  • an electric vehicle of the type described above is typically provided with an auxiliary battery for supplying electric power to auxiliary equipment onboard the vehicle, in addition to a main power storage device that stores electric power for driving the vehicle.
  • the vehicle may be configured such that the auxiliary battery can also be charged in addition to the main power storage device, using electric power from the external power supply, during external charging.
  • JP-A-2006-211832 describes a structure that draws a plurality of stable direct current (DC) outputs via an output rectifier circuit from secondary windings, in a multi-output resonance DC/DC converter that is provided with a plurality of secondary windings of a transformer and in which a magnetic amplifier to is connected to only the second and subsequent secondary windings.
  • the invention thus provides a multi-output power converter with improved power conversion efficiency, and a vehicle provided with this multi-output power converter.
  • a first aspect of the invention relates to a power converter that has a plurality of outputs and has a transformer in which electric power supplied from an external power supply and the plurality of outputs are able to be magnetically insulated.
  • the transformer includes an input winding, a first output winding, and a second output winding.
  • the power converter also has an input circuit, a first output circuit, and a second output circuit.
  • the input circuit supplies the electric power from the external power supply to the input winding.
  • the first output circuit converts the electric power from the first output winding and supplies the converted electric power to a first electrical apparatus.
  • the second output circuit converts the electric power from the second output winding and supplies the converted electric power to a second electrical apparatus.
  • the power converter also has at least one switch, from among i) a first switch that is provided in a path connecting the input winding to the external power supply, and that selectively electrically cuts off the input winding from the external power supply, ii) a second switch that is provided in a path connecting the first electrical apparatus to the first output winding, and that selectively electrically cuts off the first electrical apparatus from the first output winding, and iii) a third switch that is provided in a path connecting the second electrical apparatus to the second output winding, and that selectively electrically cuts off the second electrical apparatus from the second output winding.
  • the power converter described above may also have a control apparatus for controlling the at least one switch, from among the first switch, the second switch, and the third switch. If the power converter is provided with the first switch, the control apparatus may electrically open the first switch when the input circuit is not being used. If the power converter is provided with the second switch, the control apparatus may electrically open the second switch when the first output circuit is not being used. If the power converter is provided with the third switch, the control apparatus may electrically open the third switch when the second output circuit is not being used.
  • the power converter may be provided with the first switch, and the first switch may be provided between the input circuit and the input winding.
  • the input circuit may include a rectifier circuit that is configured to convert alternating current electric power from the external power supply into direct current electric power, and an inverter that is configured to convert the direct current electric power converted by the rectifier circuit into high frequency alternating current electric power, and supply the high frequency alternating current electric power to the input winding.
  • the power converter may be provided with the first switch, and the first switch may be provided between the rectifier circuit and the inverter.
  • the power converter may be provided with the second switch, and the second switch may be provided between the first output winding and the first output circuit.
  • the power converter may be provided with the second switch
  • the first output circuit may include an AC/DC converter that is configured to convert alternating current electric power from the first output winding into direct current electric power, and a capacitor that is connected in parallel to a direct current side terminal of the AC/DC converter.
  • the second switch may be provided between the AC/DC converter and the capacitor.
  • the power converter may be provided with the third switch, and the third switch may be provided between the second output winding and the second output circuit.
  • the power converter may be provided with the third switch
  • the second output circuit may include a rectifier circuit that is configured to convert alternating current electric power from the second output winding into direct current electric power, and a DC/DC converter for voltage-converting output voltage from the rectifier circuit.
  • the third switch may be provided between the rectifier circuit and the DC/DC converter.
  • the first electrical apparatus may be a first power storage device
  • the second electrical apparatus may be a second power storage device
  • the control apparatus may have a first threshold value, a second threshold value, and a third threshold value for a state-of-charge of the second power storage device, in which the second threshold value is set larger than the first threshold value, and the third threshold value is set larger than the second threshold value.
  • the control apparatus may interrupt charging of the first power storage device and charge the second power storage device until the state-of-charge of the second power storage device reaches the third threshold value.
  • the control apparatus may charge the first power storage device and the second power storage device in parallel until the state-of-charge of the second power storage device reaches the third threshold value.
  • the control apparatus may charge the first power storage device and stop charging the second power storage device.
  • the first output circuit may be configured to convert electric power from the first power storage device and supply the converted electric power to the transformer.
  • the transformer may also include a third output winding.
  • the power converter may also include a third output circuit that is configured to convert electric power from the third output winding and supply the converted electric power to a third electrical apparatus.
  • This power converter may also include a fourth switch that is provided in a path connecting the third electrical apparatus to the third output winding, and that selectively electrically cuts off the third electrical apparatus from the third output winding.
  • a second aspect of the invention relates to a vehicle that is provided with a first power storage device and a second power storage device, both of which are able to be charged, a driving apparatus, and a power converter having a plurality of outputs, and that can be charged using electric power from an external power supply.
  • the driving apparatus generates driving force for running the vehicle, using electric power from the first power storage device.
  • the power converter includes a transformer in which the electric power supplied from the external power supply and the plurality of outputs are able to be magnetically insulated.
  • the transformer includes an input winding, a first output winding, and a second output winding.
  • the power converter also includes an input circuit, a first output circuit, and a second output circuit.
  • the input circuit supplies the electric power from the external power supply to the input winding.
  • the first output circuit converts the electric power from the first output winding and supplies the converted electric power to the first power storage device.
  • the second output circuit converts the electric power from the second output winding and supplies the converted electric power to the second power storage device.
  • the power converter also includes at least one switch, from among i) a first switch that is provided in a path connecting the input winding to the external power supply, and that selectively electrically cuts off the input winding from the external power supply, ii) a second switch that is provided in a path connecting the first power storage device to the first output winding, and that selectively electrically cuts off the first power storage device from the first output winding, and iii) a third switch that is provided in a path connecting the second power storage device to the second output winding, and that selectively electrically cuts off the second power storage device from the second output winding.
  • the invention makes it possible to improve the power conversion efficiency of a multi-output power converter.
  • FIG. 1 is an overall block diagram of a vehicle provided with a power converter according to a first example embodiment of the invention
  • FIG. 2 is a diagram of an example of the internal structure of a PCU in FIG. 1;
  • FIG. 3 is a diagram of a first example of the internal structure of a PFC in FIG. 1;
  • FIG. 4 is a diagram of a second example of the internal structure of the PFC in FIG. 1;
  • FIG. 5 is a graph showing an overview of external charging control in the first example embodiment
  • FIG. 6 is a flowchart illustrating the details of an external charging control routine executed by an ECU in the first example embodiment
  • FIG. 7 is an overall block diagram of a vehicle provided with a power converter according to a modified example of the first example embodiment.
  • FIG 8 is an overall block diagram of a vehicle provided with a power converter according to a second example embodiment of the invention.
  • FIG. 1 is an overall block diagram of a vehicle 100 provided with a power converter according to a first example embodiment.
  • the vehicle 100 includes a power storage device 110, a system main relay (SMR) 115, a PCU (Power Control Unit) 120, a motor-generator 130, a power transmitting gear 140, driving wheels 150, and a control apparatus (ECU) 300.
  • SMR system main relay
  • PCU Power Control Unit
  • the PCU 120, the motor- generator 130, the power transmitting gear 140, and the driving wheels 150 together form the driving apparatus of the invention.
  • the power storage device 110 is a power storing element that is capable of storing and discharging electric power.
  • the power storage device 110 may include, for example, a secondary battery such as a lithium-ion battery, a nickel-metal hydride battery, or a lead battery, or a power storing element such as an electric double layer capacitor.
  • the power storage device 110 is connected to the PCU 120 for driving the motor-generator 130, via the SMR 115.
  • the power storage device 110 supplies the PCU 120 with electric power for generating driving force for the vehicle 100, as well as stores electric power generated by the motor- generator 130.
  • the output of the power storage device 110 is 200 V, for example.
  • each of two relays in the SMR 115 is connected to a positive terminal and a negative terminal, respectively, of the power storage device 110, and the other end of each of the relays in the SMR 115 is connected to a power line PLl and an earth line NLl, respectively, that are connected to the PCU 120. Also, the SMR 115 switches between allowing and interrupting the supply of electric power between the power storage device 110 and the PCU 120 based on a control signal SE1 from the ECU 300. The SMR 115 is closed when the vehicle is running and when driving an air conditioner 160 or a DC/DC converter 170.
  • FIG. 2 is a diagram of an example of the internal structure of the PCU 120.
  • the PCU 120 includes a converter 121, an inverter 122, and capacitors CI and C2.
  • the converter 121 performs power conversion between the power line
  • the inverter 122 is connected to the power line HPL and the earth line NLl.
  • This inverter 122 converts direct current (DC) electric power that is supplied from the converter 121 into alternating current (AC) electric power based on a control signal PWI from the ECU 300, and uses this AC current electric power to drive the motor-generator 130.
  • DC direct current
  • AC alternating current
  • there is only one set of a motor-generator and an inverter but there may also be a plurality of sets of motor-generators and inverters.
  • the capacitor CI is provided between the power line PLl and the earth line NLl, and reduces voltage fluctuation between the power line PLl and the earth line NLl. Also, the capacitor C2 is provided between the power line HPL and the earth line NLl, and reduces voltage fluctuation between the power line HPL and the earth line NLl.
  • the motor-generator 130 is an alternating current rotating electrical machine, and may be a permanent-magnet synchronous motor having a rotor with permanent magnets embedded in it, for example.
  • the output torque from the motor-generator 130 is transmitted, via the power transmitting gear 140 that is formed by a reduction gear and a power split device, to the driving wheels 150 where it is used to propel the vehicle.
  • the motor-generator 130 is able to generate electric power using the rotational force of the driving wheels 150 during regenerative braking of the vehicle 100. Also, the electric power that is generated is converted into charging power for the power storage device 110 by the PCU 120.
  • the necessary vehicle driving force can be generated by operating the motor-generator 130 in coordination with the engine.
  • the power storage device 110 can also be charged using the electric power generated by the rotation of the engine.
  • the vehicle 100 in this example embodiment represents a vehicle that has an electric motor for generating vehicle driving force, and may be a hybrid vehicle that generates vehicle driving force using an engine and an electric motor, or an electric vehicle or a fuel cell vehicle that is not provided with an engine, for example.
  • the vehicle 100 also includes, as the structure of a low voltage system
  • auxiliary system i.e., an auxiliary system
  • the air conditioner 160 the DC/DC converter 170, an auxiliary battery 180, and auxiliary loads 190.
  • the air conditioner 160 is connected to the power line PL1 and the earth line NL1, and controls the air temperature inside a cabin of the vehicle 100.
  • the DC/DC converter 170 is connected to the power line PL1 and the earth line NL1, and steps down the DC voltage supplied from the power storage device 110, based on a control signal PWD from the ECU 300.
  • the DC/DC converter 170 also supplies electric power to the low voltage system of the entire vehicle, such as the auxiliary battery 180, the auxiliary loads 190, and the ECU 300, via a power line PL5.
  • the auxiliary battery 180 is representatively formed by a lead battery.
  • the output voltage of the auxiliary battery 180 is lower than the output voltage of the power storage device 110, e.g., approximately 12 V.
  • the auxiliary loads 190 include, for example, lamps, windshield wipers, a heater, audio equipment, and a navigation system, and the like.
  • the ECU 300 includes a CPU (Central Processing Unit), a storage
  • the ECU 300 is activated in response to the ignition being turned on or a charge cable 400 being connected to the vehicle 100.
  • the ECU 300 receives signals from various sensors and the like, outputs control signals to various equipment, and controls the vehicle 100 and various equipment.
  • this control is not limited to being executed by software, but may also be executed by special hardware (an electronic circuit).
  • the ECU 300 receives detection values of a voltage VB 1 and a current IB1 from sensors, not shown, in the power storage device 110. The ECU 300 then calculates the state-of-charge SOC of the power storage device 110 based on the voltage VB1 and the current IB1. The ECU 300 also receives a detection value(s) of a voltage VB2 and/or a current IB 2 from sensors, also not shown, in the auxiliary battery 180. The ECU 300 then calculates the state-of-charge SOC of the auxiliary battery 180 based on the voltage VB2 and/or the current IB 2.
  • the vehicle 100 has, as the structure for charging the power storage device 110 with electric power from an external power supply 500, a transformer 200, an input circuit 201, output circuits 202 and 203, a voltage sensor 230, a charging relay CHR 250, a connecting portion 280, and switches SW1 to SW3.
  • the transformer 200, the input circuit 201, the output circuits 202 and 203, and the switches SW1 to SW3 together form a circuit for the power converter of the invention.
  • the connecting portion 280 is provided in the body of the vehicle 100 in order to receive AC electric power from the external power supply 500.
  • a charge connector 430 of the charge cable 400 is connected to the connecting portion 280.
  • AC electric power from the external power supply 500 is transmitted to the vehicle 100 via a power line portion 420 of the charge cable 400 by a plug 410 of the charge cable 400 being connected to an outlet 510 of the external power supply 500 (such as a commercial power supply, for example).
  • a charging circuit interrupt device (CCID) 440 is interposed in the power line portion 420 of the charge cable 400 for switching between allowing and interrupting the supply of electric power from the external power supply 500 to the vehicle 100.
  • the transformer 200 includes an input winding Nl and output windings N2 and N3.
  • the input winding Nl and the output windings N2 and N3 are wound around a common core.
  • the transformer 200 is configured such that the AC electric power supplied from the external power supply 500 and the output of the transformer 200 are magnetically insulated.
  • the AC voltage input from the input winding Nl is converted into AC voltage according to the winding ratio, and then output from the output windings N2 and N3.
  • the input circuit 201 is a circuit for converting commercial electric power transmitted from the external power supply 500 into high frequency AC electric power and supplying it to the transformer 200.
  • the input circuit 201 includes an inverter 210 and a power factor correction circuit (PFC) 220.
  • the PFC 220 is connected to the connecting portion 280 by power lines ACL1 and ACL2.
  • the PFC 220 converts the AC electric power transmitted from the external power supply 500 into DC electric power, and outputs it to a power line PL3 and an earth line NL3.
  • FIGS. 3 and 4 are diagrams of examples of the internal structure of the PFC 220.
  • a PFC220A shown in FIG. 3 includes a switching element Q41, a diode D45, and a diode bridge that includes reactors L41 to L43 and diodes D41 to D44.
  • the diodes D41 and D42 that are connected in series are connected in parallel to the diodes D43 and D44 that are connected in series.
  • the switching element Q41 is connected between the power line PL3 and the earth line NL3. Also, the diode D45 is connected in inverse-parallel to the switching element Q41, with the direction from the earth line NL3 toward the power line PL3 being the forward direction.
  • One end of the reactor L41 is connected to the power line ACL1, and the other end of the reactor L41 is connected to a connection node of the diode D41 and the diode D42. Also, one end of the reactor L42 is connected to the power line ACL2, and the other end of the reactor L42 is connected to a connection node of the diode D43 and the diode D44.
  • the switching element Q41 is driven by a control signal PWH from the ECU 300, such that AC electric power transmitted from the external power supply 500 is converted into DC electric power.
  • a PFC 220B shown in FIG. 4 includes reactors L51 and L52, switching elements Q51 to Q54, diodes D51 to D54, and a capacitor C50.
  • This PFC 220B forms a so-called full-bridge converter.
  • the switching elements Q51 and Q52 that are connected in series and the switching elements Q53 and Q54 that are connected in series are connected in parallel between the power line PL3 and the earth line NL3.
  • the diodes D51 to D54 are connected in inverse-parallel to the switching elements Q51 to Q54, respectively.
  • the capacitor C50 is connected between the power line PL3 and the earth line NL3.
  • One end of the reactor L51 is connected to the power line ACL1, and the other end of the reactor L51 is connected to a connection node of the switching element Q51 and the switching element Q52. Also, one end of the reactor L52 is connected to the power line ACL2, and the other end of the reactor L52 is connected to a connection node of the switching element Q53 and the switching element Q54.
  • the switching elements Q51 to Q54 are driven by the control signal
  • the structure of the PFC 220 is not limited to the structures shown in FIGS. 3 and 4.
  • the inverter 210 includes switching elements Qll to Q14 and diodes Dll to D14.
  • the switching elements Qll and Q12 that are connected in series and the switching elements Q13 and Q14 that are connected in series are connected in parallel between the power line PL3 and the earth line NL3.
  • the diodes Dll to D14 are connected in inverse-parallel to the switching elements Qll to Q14, respectively.
  • One end of the input winding Nl is connected to a connection node of the switching element Qll and the switching element Q12, and the other end of the input winding Nl is connected to a connection node of the switching element Q13 and the switching element Q14.
  • the switching elements Qll to Q14 are driven by a control signal PWF from the ECU 300, such that DC electric power from the PFC 220 is converted into high frequency AC electric power and supplied to the input winding Nl of the transformer 200.
  • a switch SWl that is controlled by a control signal SE3 from the ECU 300 is provided in a path that connects the inverter 210 to the input winding Nl. This switch SWl enables the input circuit 201 to be electrically cut off from the input winding Nl.
  • the output circuit 202 is a circuit for converting the AC electric power supplied from the output winding N2 into charging power for the power storage device 110.
  • This output circuit 202 includes a capacitor C3 and an AC/DC converter 240 that includes switching elements Ql to Q4 and diodes Dl to D4.
  • the switching elements Ql and Q2 that are connected in series and the switching elements Q3 and Q4 that are connected in series are connected in parallel between a power line PL2 and an earth line NL2.
  • the diodes Dl to D4 are connected in inverse-parallel to the switching elements Ql to Q4, respectively.
  • One end of the output winding N2 is connected to a connection node of the switching element Ql and the switching element Q2, and the other end of the output winding N2 is connected to a connection node of the switching element Q3 and the switching element Q4.
  • the switching elements Ql to Q4 are driven by a control signal
  • the output circuit 202 is also able to convert the DC electric power from the power storage device 110 into AC electric power and supply it to the transformer 200 via the output winding N2.
  • the capacitor C3 is connected between the power line PL2 and the earth line NL2, and reduces voltage fluctuation between the power line PL2 and the earth line NL2.
  • One end of each of two relays in the charging relay CHR 250 is connected to the power line PL2 and the earth line NL2, respectively, and the other end of each of the relays in the charging relay CHR 250 is connected to a positive terminal and a negative terminal, respectively, of the power storage device 110.
  • the charging relay CHR 250 switches between allowing and interrupting the supply of electric power between the power storage device 110 and the output circuit 202, based on a control signal SE2 from the ECU 300.
  • the charging relay CHR 250 is closed when charging the power storage device 110 using electric power from the output circuit 202.
  • a switch SW2 that is controlled by a control signal SE4 from the ECU 300 is provided in a path that connects the AC/DC converter 240 to the output winding N2. This switch SW2 enables the output circuit 202 to be electrically cut off from the output winding N2.
  • the output circuit 203 is a circuit that converts AC electric power supplied from the output winding N3 into DC electric power, which it then supplies to a power line PL5 of the auxiliary system.
  • the output circuit 203 includes a DC/DC converter 270 and a diode bridge 260 that includes diodes D21 to D24.
  • the diodes D21 and D22 that are connected in series are connected in parallel to the diodes D23 and D24.
  • the cathodes of the diodes D21 and D23, and the anodes of the diodes D22 and D24, are connected to the DC/DC converter 270.
  • One end of the output winding N3 is connected to a connection node of the diode D21 and the diode D22, and the other end of the output winding N3 is connected to a connection node of the diode D23 and the diode D24.
  • the diode bridge 260 rectifies the AC electric power supplied from the output winding N3 and supplies it to the DC/DC converter 270.
  • the DC/DC converter 270 includes a chopper circuit, for example, and is controlled by a control signal PWG from the ECU 300 to step the DC voltage rectified by the diode bridge 260 up or down to a predetermined voltage, and output the resultant voltage to a power line PL4.
  • the power line PL4 is connected to the power line PL5 of the auxiliary system.
  • whether the DC/DC converter 270 is made to be a step-up circuit or a step-down circuit depends on the winding ratio of the input winding Nl and the output winding N3.
  • the DC/DC converter that is used as the DC/DC converter 270 has a smaller capacity than the DC/DC converter 170 does.
  • the output circuit 203 may be a full-bridge AC/DC converter like the output circuit 202.
  • a switch SW3 that is controlled by a control signal SE5 from the ECU 300 is provided in a path that connects the diode bridge 260 to the output winding N3. This switch SW3 enables the output circuit 203 to be electrically cut off from the output winding N3.
  • the voltage sensor 230 is connected between the power lines ACL1 and ACL2. This voltage sensor 230 detects an AC voltage VAC transmitted from the external power supply 500, and outputs a detection value of this detected AC voltage VAC to the ECU 300.
  • the windings are magnetically joined in the transformer 200, so excitation current ends up running through the windings even in a circuit that is not being used. As a result, loss occurs in the circuits due to this excitation current, which may cause the charging efficiency during external charging to decrease.
  • a switch is provided between the input circuit and the output circuits, and the corresponding windings, as described above, and control is performed to open this switch for the circuit that is not being used during external charging. Accordingly, a reduction in unnecessary excitation current can be expected.
  • FIG. 5 is a graph showing an overview of external charging control in this example embodiment.
  • the horizontal axis represents time and the vertical axis represents the state-of-charge SOC1 of the power storage device 110, the state-of-charge SOC2 of the auxiliary battery 180, and the operating states of the switches SW1 to SW3.
  • the voltage VB2 of the auxiliary battery 180 may be used instead of the state-of-charge SOC2 of the auxiliary battery 180.
  • the states-of-charge of the power storage device 110 and the auxiliary battery 180 before external charging is performed is S10 ( ⁇ ⁇ S10 ⁇ ⁇ 2) and S20 (a2 ⁇ S20 ⁇ a3), respectively, in FIG. 5.
  • ⁇ and ⁇ 2 are threshold values representing the lower and upper limit values, respectively, of the SOC1 of the power storage device 110.
  • al and oc3 are threshold values that represent the lower and upper limit values, respectively, of the SOC2 of the auxiliary battery 180
  • oc2 is a threshold value for determining whether the auxiliary battery 180 needs to be charged.
  • the power storage device 110 starts to be charged.
  • the SOC2 of the auxiliary battery 180 drops due to electric power being consumed by driving the ECU 300 and the other auxiliary loads 190.
  • FIG. 6 is a flowchart illustrating the details of an external charging control routine executed by the ECU 300 in the first example embodiment.
  • the routine in the flowchart shown in FIG. 6 is realized by a program stored in advance in the ECU 300 being called up from a main routine and executed at predetermined cycles. Alternatively, some or all of the steps may be realized by special hardware (an electronic circuit).
  • the ECU 300 determines whether there is a charging command from at least one of the power storage device 110 or the auxiliary battery 180 in step S100.
  • step S100 If there is no charging command from either the power storage device 110 or the auxiliary battery 180 (i.e., NO in step S100), the process proceeds on to step S210 where the ECU 300 determines that there is no need for a charging operation, and turns off (i.e., opens) all of the switches SW1 to SW3. Then the process returns to the main routine.
  • step S100 If, on the other hand, there is a charging command from at least one of the power storage device 110 or the auxiliary battery 180 (i.e., YES in step S100), the ECU 300 first closes the switch SW1 and electrically connects the input circuit 201 with the input winding Nl in step SI 10.
  • step SI 20 the ECU 300 determines whether the SOC2 of the auxiliary battery 180 is greater than the threshold value o3 that indicates a full charge.
  • step S140 the ECU 300 closes the switch SW2 to charge only the power storage device 110 that is the main battery, because the auxiliary battery 180 does not need to be charged. Then in step SI 50, the ECU 300 charges the power storage device 110 by selecting the main battery charging mode and controlling the input circuit 201 and the output circuit 202.
  • the ECU 300 determines whether the SOC2 is greater than the second threshold value cc2 in step S130.
  • step S130 If the SOC2 is greater than the threshold value cc2 (i.e., YES in step S130), the process proceeds on to step S140, and only the power storage device 110 is charged as described above.
  • step S130 If, on the other hand, the SOC2 is equal to or less than the threshold value oc2 (i.e., NO in step S130), then the process proceeds on to step S160. In this case, the ECU 300 determines that the auxiliary battery 180 needs to be charged, and then further determines in step SI 60 whether the SOC2 is greater than the threshold value al (a2 > al) that represents a lower limit.
  • step S160 If the SOC2 is greater than the threshold value al (i.e., YES in step S160), the process proceeds on to step S170, where the ECU 300 closes both of the switches SW2 and SW3. Then in step SI 80, the ECU 300 selects the simultaneous mode for the power storage device 110 and the auxiliary battery 180. The ECU 300 then charges the power storage device 110 and the auxiliary battery 180 by controlling the input circuit 201 and the output circuits 202 and 203.
  • step S190 the ECU 300 determines that there is an urgent need to charge the auxiliary battery 180. Therefore, the ECU 300 opens the switch SW2 and closes the switch SW3 in step SI 90 in order to preferentially charge the auxiliary battery 180. Then in step S200, the ECU 300 charges the auxiliary battery 180 by selecting the auxiliary battery charging mode and controlling the input circuit 201 and the output circuit 203. At this time, the ECU 300 controls the output circuit 203 to output electric power close to its rated output in order to charge the auxiliary battery 180 in as short a time as possible.
  • the switch SW2 is opened to stop the charging of the power storage device 110.
  • the ratio of electric power supplied to the auxiliary battery 180 may instead be increased while simultaneously charging the power storage device 110 and the auxiliary battery 180 by closing both of the switches SW2 and SW3 as in step S170. Accordingly, the power storage device 110 is able to be charged also while the auxiliary battery 180 is being charged, so the charging time of the power storage device 110 can be made even shorter.
  • auxiliary battery 180 needs to be charged when the charge cable 400 is not connected to the vehicle 100, electric power from the power storage device 110 can also be supplied to the transformer 200 using the output circuit 202, and the auxiliary battery 180 can be charged by the output circuit 203.
  • the switch SW1 is opened and the switches SW2 and SW3 are closed.
  • Performing the control according to this kind of routine makes it possible to switch the charging of the power storage device 110 and the auxiliary battery 180 according to the SOC of the auxiliary battery 180 during external charging using the multi-output power converter. Also, at the time of the switch, excitation current generated in the corresponding windings can be reduced by opening the switch of the circuit not being used, from among the input circuit and the output circuits. As a result, during external charging, the charging efficiency of external charging can be improved while the SOC of the auxiliary battery 180 and the power storage device 110 can be managed appropriately.
  • the effect of reducing the excitation current of the transformer can be obtained as long as at least one switch corresponding to the input winding and the output windings is provided.
  • FIG 1 a structure in which the switches SW1 to SW3 are provided between the input circuit 201 and the output circuits 202 and 203, and the each corresponding winding of the transformer 200 is shown.
  • FIG. 7 is an overall block diagram of a vehicle 100A provided with a power converter according to a modified example of the first example embodiment.
  • the switches SW1 to SW3 are included in an input circuit 201A and output circuits 202A and 203A, respectively. Descriptions of elements in FIG. 7 that are the same as those in FIG. 1 will not be repeated.
  • the switch SW1 is interposed in the power line PL3 that connects the PFC 220 and the inverter 210 in the input circuit 201A, and the switch SW2 is provided between the AC/DC converter 240 and a connection node of the capacitor C3 of the power line PL2, in the output circuit 202A. Furthermore, the switch SW3 is provided between the diode bridge 260 and the DC/DC converter 270, in the output circuit 203 A.
  • the inverter 210, the AC/DC converter 240, and the diode bridge 260 are electrically connected to corresponding windings, so the excitation current of each winding may be somewhat increased compared to the first example embodiment.
  • the switches SW1 to SW3 can be incorporated into the circuit board of the input circuit or the like beforehand, which enables various effects to be achieved. For example, the size of the overall equipment can be reduced, the work in the manufacturing process can be simplified due to the elimination of the wire connection portions, and/or the occurrence of abnormalities can be suppressed.
  • the transformer has two outputs.
  • the number of outputs that the transformer has is not limited to two. That is, the transformer may have even more outputs.
  • FIG. 8 is an overall block diagram of a vehicle 100B provided with a power converter according to a second example embodiment of the invention.
  • FIG. 8 is an overall block diagram of a vehicle 100B provided with a power converter according to a second example embodiment of the invention.
  • the transformer 200 in FIG. 1 is replaced by a three-output transformer 200A having output windings N2 to N4, and an output circuit 204 for converting the AC electric power from the output winding N4 into DC electric power is added. Also, a switch
  • SW4 is provided between the output winding N4 and the output circuit 204.
  • the input circuit 201 is connected to the input winding Nl of the transformer 200A via the switch SW1.
  • the output circuit 202 is connected to the output winding N2 of the transformer 200A via the switch SW2.
  • the output circuit 203 is connected to the output winding N3 of the transformer 200 A via the switch SW3.
  • the output circuit 204 is connected to the output winding N4 of the transformer 200A via the switch SW4.
  • the output circuit 204 includes a DC/DC converter 270A and a diode bridge 260A that includes diodes D31 to D34.
  • the diode bridge 260A and the DC/DC converter 270A have basically the same structure as the diode bridge 260 and the DC/DC converter 270, respectively, so detailed descriptions of these will not be repeated.
  • the output of the output circuit 204 is connected to other electrical equipment that may be used during external charging, such as the air conditioner 160. Therefore, with so-called pre-air conditioning that controls the air temperature during external charging, the SMR 115 no longer needs to be closed. Therefore, leakage current due to the parasitic capacity of the PCU 120 and the like can be suppressed, so a decrease in charging efficiency can be avoided even when pre-air conditioning is performed.
  • the output winding N2 and the output winding N3 in this example embodiment are examples of the first output winding and the second output winding, respectively, of the invention.
  • the power storage device 110 and the auxiliary battery 180 in this example embodiment are examples of the first power storage device and the second power storage device, respectively, of the invention.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Dc-Dc Converters (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention porte sur un convertisseur d'énergie comprenant un transformateur (200). Le transformateur (200) comporte un enroulement primaire (N1) et des enroulements secondaires (N2, N3). Le convertisseur d'énergie comporte un circuit d'entrée (201) fournissant l'énergie électrique d'une source extérieure (500) à l'enroulement primaire (N1), un circuit de sortie (202) qui convertit l'énergie de l'enroulement secondaire (N2) et charge un accumulateur d'énergie, et un circuit de sortie (203) qui convertit l'énergie de l'enroulement secondaire (N3) et charge une batterie auxiliaire (180). Le convertisseur d'énergie comporte au moins un commutateur pris parmi: un premier commutateur (SW1) reliant l'enroulement primaire (N1) au circuit d'entrée (201), un deuxième commutateur (SW2) reliant le circuit de sortie (202) à l'enroulement secondaire (N2), et un troisième commutateur (SW3) reliant le circuit de sortie (203) à l'enroulement secondaire (N3).
PCT/IB2011/000907 2010-05-14 2011-04-27 Convertisseur d'énergie et véhicule en étant pourvu WO2011141785A1 (fr)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2434604A1 (fr) * 2010-09-22 2012-03-28 Kabushiki Kaisha Toyota Jidoshokki Dispositif de source d'alimentation
WO2013083296A3 (fr) * 2011-12-09 2013-09-06 Telefonaktiebolaget L M Ericsson (Publ) Convertisseur cc-cc à sorties multiples
WO2014118000A3 (fr) * 2013-01-31 2014-12-18 Robert Bosch Gmbh Système de transmission d'énergie
US9525356B2 (en) 2012-11-09 2016-12-20 Toyota Jidosha Kabushiki Kaisha Electric power conversion system
US9787199B2 (en) 2013-10-23 2017-10-10 Mitsubishi Electric Corporation Power conversion device to control power distribution of input power to multiple outputs
WO2020029036A1 (fr) * 2018-08-06 2020-02-13 深圳配天智能技术研究院有限公司 Alimentation électrique à découpage destinée à un véhicule électrique et compresseur de climatiseur embarqué
WO2020229012A1 (fr) * 2019-05-15 2020-11-19 Daimler Ag Chargeur de bord et procédé pour charger une batterie haute tension d'un réseau de bord haute tension ou une batterie basse tension d'un réseau de bord basse tension
WO2021009217A3 (fr) * 2019-07-15 2021-03-18 Eaton Intelligent Power Limited Distribution de puissance et protection de circuit d'application mobile comportant un onduleur à haut rendement
US11075514B2 (en) 2017-11-08 2021-07-27 Eaton Intelligent Power Limited System, method, and apparatus for power distribution in an electric mobile application during run time using configurable electrical interface ports
US11108225B2 (en) 2017-11-08 2021-08-31 Eaton Intelligent Power Limited System, method, and apparatus for power distribution in an electric mobile application using a combined breaker and relay
US11370324B2 (en) 2017-11-08 2022-06-28 Eaton Intelligent Power Limited Fuse and contactor management for an electric mobile application
US20220355694A1 (en) * 2019-03-08 2022-11-10 Auto Motive Power Inc. Combined bms, charger, and dc-dc in electric vehicles
US11670937B2 (en) 2019-02-22 2023-06-06 Eaton Intelligent Power Limited Coolant connector having a chamfered lip and fir tree axially aligned with at least one o-ring
EP4287482A1 (fr) 2022-05-31 2023-12-06 MAHLE International GmbH Topologie de conversion de puissance

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101295317B1 (ko) 2012-03-09 2013-08-12 주식회사 이지트로닉스 전기 자동차（ｘＥＶ）의 전력변환장치용 복합형 충전 시스템
FR2997583B1 (fr) * 2012-10-31 2014-11-21 Valeo Equip Electr Moteur Systeme d'alimentation electrique a double stockeurs d'energie electrique d'un vehicule automobile ou hybride
KR101438610B1 (ko) 2012-12-28 2014-09-15 현대자동차 주식회사 충전기 및 그 구동 방법
KR20150073291A (ko) 2013-12-20 2015-07-01 엘에스산전 주식회사 전력 변환 장치
JP6693679B2 (ja) 2017-05-19 2020-05-13 三菱電機株式会社 電力変換装置
JP7165554B2 (ja) * 2018-10-05 2022-11-04 株式会社デンソー 電力変換装置
DE112019006788T5 (de) * 2019-02-01 2021-12-02 Sumitomo Electric Industries, Ltd. Energiesystem und Fahrzeug mit einem solchen System
JP7095672B2 (ja) * 2019-10-30 2022-07-05 株式会社デンソー 電力変換装置
JP7344834B2 (ja) * 2020-04-24 2023-09-14 株式会社豊田中央研究所 車載用電力変換装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5162663A (en) * 1990-09-28 1992-11-10 Ncr Corporation Selective output disconnect for a single transformer converter
JP2006211832A (ja) 2005-01-28 2006-08-10 Sanken Electric Co Ltd 多出力共振型ｄｃ−ｄｃコンバータ
EP1919070A2 (fr) * 2006-10-31 2008-05-07 TDK Corporation bloc d'alimentation à découpage
EP2161813A2 (fr) * 2008-09-04 2010-03-10 Samsung Electronics Co., Ltd. Procédé de sélection d'une alimentation électrique, circuit et appareil correspondants

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3111436B2 (ja) * 1992-09-30 2000-11-20 ソニー株式会社 スイッチング電源

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5162663A (en) * 1990-09-28 1992-11-10 Ncr Corporation Selective output disconnect for a single transformer converter
JP2006211832A (ja) 2005-01-28 2006-08-10 Sanken Electric Co Ltd 多出力共振型ｄｃ−ｄｃコンバータ
EP1919070A2 (fr) * 2006-10-31 2008-05-07 TDK Corporation bloc d'alimentation à découpage
EP2161813A2 (fr) * 2008-09-04 2010-03-10 Samsung Electronics Co., Ltd. Procédé de sélection d'une alimentation électrique, circuit et appareil correspondants

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2434604A1 (fr) * 2010-09-22 2012-03-28 Kabushiki Kaisha Toyota Jidoshokki Dispositif de source d'alimentation
US8692512B2 (en) 2010-09-22 2014-04-08 Kabushiki Kaisha Toyota Jidoshokki Power source device
WO2013083296A3 (fr) * 2011-12-09 2013-09-06 Telefonaktiebolaget L M Ericsson (Publ) Convertisseur cc-cc à sorties multiples
US9806623B2 (en) 2011-12-09 2017-10-31 Telefonaktiebolaget Lm Ericsson (Publ) DC-DC converter with multiple outputs
EP2748919B1 (fr) * 2011-12-09 2019-12-04 Telefonaktiebolaget LM Ericsson (publ) Convertisseur cc-cc à sorties multiples
US9525356B2 (en) 2012-11-09 2016-12-20 Toyota Jidosha Kabushiki Kaisha Electric power conversion system
WO2014118000A3 (fr) * 2013-01-31 2014-12-18 Robert Bosch Gmbh Système de transmission d'énergie
CN105121212A (zh) * 2013-01-31 2015-12-02 罗伯特·博世有限公司 能量传输装置
US10020658B2 (en) 2013-01-31 2018-07-10 Robert Bosch Gmbh Power transmission arrangement
CN105121212B (zh) * 2013-01-31 2019-09-20 罗伯特·博世有限公司 能量传输装置
US9787199B2 (en) 2013-10-23 2017-10-10 Mitsubishi Electric Corporation Power conversion device to control power distribution of input power to multiple outputs
US11121540B2 (en) 2017-11-08 2021-09-14 Eaton Intelligent Power Limited System, method, and apparatus for multi-port power converter and inverter assembly
US11660977B2 (en) 2017-11-08 2023-05-30 Eaton Intelligent Power Limited Active current injection through a fuse for an electric mobile application
US11845358B2 (en) 2017-11-08 2023-12-19 Eaton Intelligent Power Limited Fuse management for an electric mobile application
US11075514B2 (en) 2017-11-08 2021-07-27 Eaton Intelligent Power Limited System, method, and apparatus for power distribution in an electric mobile application during run time using configurable electrical interface ports
US11081875B2 (en) 2017-11-08 2021-08-03 Eaton Intelligent Power Limited System, method and apparatus for power distribution in an electric mobile application using a combined breaker and relay
US11081874B2 (en) 2017-11-08 2021-08-03 Eaton Intelligent Power Limited System, method, and apparatus for power distribution in an electric mobile application using a combined breaker and relay
US11095115B2 (en) 2017-11-08 2021-08-17 Eaton Intelligent Power Limited System, method, and apparatus for power distribution in an electric mobile application using a combined breaker and relay
US11108225B2 (en) 2017-11-08 2021-08-31 Eaton Intelligent Power Limited System, method, and apparatus for power distribution in an electric mobile application using a combined breaker and relay
US11114840B2 (en) 2017-11-08 2021-09-07 Eaton Intelligent Power Limited System, method, and apparatus for power distribution in an electric mobile application using a combined breaker and relay
US11757277B2 (en) 2017-11-08 2023-09-12 Eaton Intelligent Power Limited System, method, and apparatus for current control in a power distribution unit using a solid state switch
US11128125B2 (en) 2017-11-08 2021-09-21 Eaton Intelligent Power Limited System, method, and apparatus for power distribution in an electric mobile application using a combined breaker and relay
US11128124B2 (en) 2017-11-08 2021-09-21 Eaton Intelligent Power Limited System, method, and apparatus for power distribution in an electric mobile application during run time using configurable electrical interface ports
US11159008B2 (en) 2017-11-08 2021-10-26 Eaton Intelligent Power Limited System, method, and apparatus for power distribution in an electric mobile application using a combined breaker and relay
US11183833B2 (en) 2017-11-08 2021-11-23 Eaton Intelligent Power Limited System, method, and apparatus for power distribution in an electric mobile application during run time using configurable electrical interface ports
US11738664B2 (en) 2017-11-08 2023-08-29 Eaton Intelligent Power Limited Fuse and contactor with active current injection
US11660978B2 (en) 2017-11-08 2023-05-30 Eaton Intelligent Power Limited Current control in a power distribution unit using a contactor
US11370324B2 (en) 2017-11-08 2022-06-28 Eaton Intelligent Power Limited Fuse and contactor management for an electric mobile application
US11664649B2 (en) 2017-11-08 2023-05-30 Eaton Intelligent Power Limited Power distribution unit with a configurable offset voltage for fuse current determination
US11658477B2 (en) 2017-11-08 2023-05-23 Eaton Intelligent Power Limited System, method, and apparatus for multi-port power converter and inverter assembly
WO2020029036A1 (fr) * 2018-08-06 2020-02-13 深圳配天智能技术研究院有限公司 Alimentation électrique à découpage destinée à un véhicule électrique et compresseur de climatiseur embarqué
US11689010B2 (en) 2019-02-22 2023-06-27 Eaton Intelligent Power Limited Coolant fitting promoting turbulent flow
US11670937B2 (en) 2019-02-22 2023-06-06 Eaton Intelligent Power Limited Coolant connector having a chamfered lip and fir tree axially aligned with at least one o-ring
US11682895B2 (en) 2019-02-22 2023-06-20 Eaton Intelligent Power Limited Inverter assembly with integrated coolant coupling port
US12054064B2 (en) * 2019-03-08 2024-08-06 Ford Global Technologies Llc Combined BMS, charger, and DC-DC in electric vehicles
US20220355694A1 (en) * 2019-03-08 2022-11-10 Auto Motive Power Inc. Combined bms, charger, and dc-dc in electric vehicles
WO2020229012A1 (fr) * 2019-05-15 2020-11-19 Daimler Ag Chargeur de bord et procédé pour charger une batterie haute tension d'un réseau de bord haute tension ou une batterie basse tension d'un réseau de bord basse tension
CN113874244A (zh) * 2019-05-15 2021-12-31 戴姆勒股份公司 用于给高压车载电源的高压电池或低压车载电源的低压电池充电的车载充电器和方法
US20220250493A1 (en) * 2019-05-15 2022-08-11 Daimler Ag On-Board Charger and Method for Charging a High-Voltage Battery of a High-Voltage On-Board Electrical System or a Low-Voltage Battery of a Low-Voltage On-Board Electrical System
CN114175444A (zh) * 2019-07-15 2022-03-11 伊顿智能动力有限公司 具有高效逆变器的移动应用的电源分配和电路保护
WO2021009217A3 (fr) * 2019-07-15 2021-03-18 Eaton Intelligent Power Limited Distribution de puissance et protection de circuit d'application mobile comportant un onduleur à haut rendement
US12088131B2 (en) 2019-07-15 2024-09-10 Eaton Intelligent Power Limited Power distribution and circuit protection for a mobile application having a high efficiency inverter
EP4287482A1 (fr) 2022-05-31 2023-12-06 MAHLE International GmbH Topologie de conversion de puissance

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