WO2013093963A1 - Appareil de charge - Google Patents

Appareil de charge Download PDF

Info

Publication number
WO2013093963A1
WO2013093963A1 PCT/JP2011/007122 JP2011007122W WO2013093963A1 WO 2013093963 A1 WO2013093963 A1 WO 2013093963A1 JP 2011007122 W JP2011007122 W JP 2011007122W WO 2013093963 A1 WO2013093963 A1 WO 2013093963A1
Authority
WO
WIPO (PCT)
Prior art keywords
voltage
circuit blocks
power supply
circuit
unit
Prior art date
Application number
PCT/JP2011/007122
Other languages
English (en)
Japanese (ja)
Inventor
大澤　孝
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2013549946A priority Critical patent/JP5855133B2/ja
Priority to PCT/JP2011/007122 priority patent/WO2013093963A1/fr
Publication of WO2013093963A1 publication Critical patent/WO2013093963A1/fr

Links

Images

Classifications

    • 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
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
    • 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
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • 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
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • 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
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H02M1/4208—Arrangements for improving power factor of AC input
    • H02M1/4225—Arrangements for improving power factor of AC input using a non-isolated boost converter
    • 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
    • H02M3/33573—Full-bridge at primary side of an isolation transformer
    • 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
    • Y02T10/80—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 present invention relates to a charging device that is mounted on an electric vehicle or the like and charges an in-vehicle power battery.
  • a power (on-vehicle) battery mounted on the electric vehicle is charged by an external AC power source using a charging device.
  • the charging device includes a power factor correction (PFC) circuit composed of a coil (reactor) and a switching element for efficiently taking in electric power from an AC power source, an AC power source and an in-vehicle power battery.
  • PFC power factor correction
  • a PWM (Pulse Width Modulation) controlled DC / DC converter circuit composed of an insulating transformer and a switching element for insulating the circuit is used.
  • the power factor correction circuit and the DC / DC converter circuit are configured to cope with various AC power supply environments encountered by electric vehicles and charging or discharging states of in-vehicle power batteries, including 100 Vrms and 200 Vrms systems. However, in a wide range of AC power supply voltages, even if the vehicle-mounted power battery varies from about 80 Vdc to about 400 Vdc, it can cope.
  • a high voltage AC power supply is used.
  • an operation of applying a rectangular wave having a narrow duty to a transformer for a DC / DC converter and conversely, when charging a high-voltage battery from a low-voltage AC power supply voltage
  • the operation of applying a rectangular wave with a wide duty to the transformer for the DC / DC converter is performed.
  • a transformer for a DC / DC converter must be applied with a rectangular wave of Duty that varies from a narrow width to a wide width.
  • the efficiency is high depending on the AC power supply voltage.
  • the difference from the case where efficiency is low tends to be obvious.
  • the AC power supply voltage range is set to be high in the middle of the range, the AC power supply voltage is low or the AC power supply voltage is high. It is difficult to ensure uniform high efficiency with respect to voltage.
  • Patent Document 1 describes a power supply device that uses a transformer having two primary windings and two transistors that apply a rectangular wave to the transformer.
  • the transistor when the AC power supply voltage is 100 Vrms, the transistor is connected to the transformer so as to perform a push-pull operation.
  • the transistor When the AC power supply voltage is 200 Vrms, the transistor is connected to the transformer so as to perform a half-bridge operation. Is switched to perform a suitable operation for both voltages.
  • Patent Document 2 describes a switching power supply circuit using two transformers and a half-bridge type switching element that applies a rectangular wave to each transformer.
  • this circuit when the AC power supply voltage is 100 Vrms, rectangular waves are applied to the two transformers by the respective switching elements, and the outputs of both transformers are connected in parallel to obtain a set of DC outputs.
  • the voltage is 200 Vrms, the operation of the switching element on one of the transformers is stopped, and a direct current output is obtained only by the output of the other transformer that operates, so that a suitable operation is performed for both voltages. .
  • Switching between the two is performed by a transistor that operates in response to the AC power supply voltage, and when the AC power supply voltage is 200 Vrms, the operation signal input to one of the transformer side switching elements is short-circuited, and the switching element operates. It is done by stopping.
  • Patent Documents 1 and 2 are provided with a configuration for switching the input circuit according to the AC power supply voltage, neither of them relates to a charging device for charging a battery that stores large power. For this reason, there is no consideration for securing a high power factor, and naturally there is no power factor correction circuit. Furthermore, since a general-purpose element having a low rated voltage is used as a switching element or a rectifier diode, there is no idea regarding a configuration in which outputs are connected in series.
  • a charging device that charges a large-capacity battery from an AC power supply
  • the environment and storage amount of the AC power supply when charging at the destination of the vehicle as a component used in the power factor correction circuit or the DC / DC converter circuit Therefore, it is necessary to select a rated component that has a characteristic corresponding to a battery voltage that varies depending on the power supply, and that can sufficiently handle even a combination of an AC power supply voltage and an output voltage that are in bad condition.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to obtain a charging device that can charge a battery that stores large power with high efficiency with a simple configuration.
  • the charging device includes a rectifying unit that rectifies an AC power source into a DC output, a plurality of circuit blocks that have a power factor improving function and convert the voltage of the AC power source into an arbitrary voltage or current, and A charging device for charging a power battery mounted on a vehicle with a set of electric power obtained by connecting the output sides of a plurality of circuit blocks in series.
  • a connection switching unit that switches the input side of multiple circuit blocks to either serial or parallel connection, and connects the input sides of multiple circuit blocks in parallel when the voltage of the AC power supply is less than a predetermined voltage value
  • the input sides of the plurality of circuit blocks are connected in series.
  • FIG. 6 is a diagram illustrating a configuration example of a circuit that drives an FET of a control unit according to a second embodiment. It is a figure which shows the structure of the charging device which concerns on Embodiment 3 of this invention. It is a figure which shows another structural example of the charging device which concerns on Embodiment 3.
  • FIG. It is a figure which shows the structure of the charging device which concerns on Embodiment 4 of this invention.
  • FIG. 1 is a diagram showing a configuration of a charging apparatus according to Embodiment 1 of the present invention.
  • a charging device 1 shown in FIG. 1 is a device for charging a battery 3 for an electric vehicle from an AC power source 2, and includes a power rectification unit 5, a connection switching unit 6, PFC (Power Factor Correction) / DC / DC.
  • a converter unit 7 and a control unit 9 are provided.
  • the battery 3 for an electric vehicle is connected to a high voltage load 4 such as a power motor for the electric vehicle.
  • the power rectifier 5 includes diodes 5-1 to 5-4 connected for full-wave rectification.
  • the anode terminals of the diodes 5-1 and 5-2 serve as low potential side outputs and are connected to the source terminals of the respective FETs (field effect transistors) of the circuit block 8-2, and are connected to the circuit block 8- via the switch SW2. 1 is connected to the source terminal of each FET.
  • the cathode terminals of the diodes 5-3 and 5-4 become high-potential side outputs, and are connected to one end of the coil of the circuit block 8-1 (terminal not connected to the FET), and the circuit via the switch SW1. It is connected to one end of the coil of block 8-2.
  • one output terminal of the AC power source 2 is connected to the connection point of the diodes 5-1 and 5-3, and the other output terminal of the AC power source 2 is connected to the connection point of the diodes 5-2 and 5-4. Yes.
  • the connection switching unit 6 includes switches SW1 and SW2 and a diode D1 that are turned on and off in response to a connection switching signal from the control unit 9.
  • the switch SW1 turns on / off the connection between the cathode terminals of the diodes 5-3 and 5-4 and one end of the coil of the PFC section of the circuit block 8-2.
  • the switch SW2 turns on / off the connection between the anode terminals of the diodes 5-1 and 5-2 and the source terminals of the FETs of the PFC section and the DC / DC converter section of the circuit block 8-1.
  • the diode D1 has a cathode terminal connected to a connection point between the switch SW1 and one end of the coil of the PFC section of the circuit block 8-2, and the switch D2 and the PFC section and the DC / DC converter section of the circuit block 8-1 are connected to each other.
  • An anode terminal is connected to a connection point with the source terminal of each FET.
  • the PFC / DC / DC converter unit 7 generates a DC voltage for an electric vehicle (for power) that varies from about 80 Vdc to about 400 Vdc by using various AC power sources 2 such as a 100 Vrms system or a 200 Vrms system as a power source.
  • the PFC / DC / DC converter unit 7 is composed of two circuit blocks 8-1 and 8-2, and the circuit blocks 8-1 and 8-2 are connected to the battery 3 on the output side. Are connected in series, and the input side is connected to the AC power source 2 via the power source rectifier 5 by switching on and off the switches SW1 and SW2 so that the parallel connection and the series connection are switched.
  • the PFC / DC / DC converter unit 7 may be configured using three or more circuit blocks.
  • the circuit blocks 8-1 and 8-2 are each composed of a PFC (power factor correction) unit and a DC / DC converter unit.
  • the PFC unit is composed of a coil, an FET, a diode, and a capacitor.
  • the FET intermittently passes the current flowing through the coil according to the drive signal of the control unit 9, and the magnetic energy stored in the coil and the core while the FET is on, It functions as a boosting power source that turns off and discharges the FET.
  • This PFC unit increases the power factor by outputting the corresponding power even at the timing when the power supply voltage decreases during one AC cycle.
  • the DC / DC converter unit includes a forward type transformer, a bridge unit composed of four FETs connected in an H shape, a rectifier unit composed of four rectifier diodes, a coil, and a smoothing capacitor.
  • Each FET in the bridge unit is turned on / off by a drive signal from the control unit 9 to generate a substantially rectangular wave, and applies the substantially rectangular wave to the primary winding of the transformer.
  • the rectifier is a full-wave rectifier circuit composed of four rectifier diodes, and rectifies a substantially rectangular wave generated in the secondary winding of the transformer.
  • the current rectified by the rectification unit is smoothed by a smoothing coil and a smoothing capacitor, and a DC voltage is output.
  • the control unit 9 outputs a drive signal for turning on and off the FET of the PFC unit and the FET of the bridge unit of the DC / DC converter unit.
  • the control unit 9 also receives the power supply voltage that has been full-wave rectified by the power supply rectification unit 5 and outputs a connection switching signal for turning on and off the switches SW1 and SW2 of the connection switching unit 6 in accordance with the power supply voltage.
  • the control unit 9 inputs the power supply voltage of the AC power supply 2 via the power supply rectification unit 5, compares the input voltage value with a predetermined voltage value, and the input voltage value (agreement with the power supply voltage value) is a predetermined voltage. If the value is equal to or greater than the value, a connection switching signal for turning off both the switches SW1 and SW2 is output to the connection switching unit 6. When the connection switching unit 6 receives this connection switching signal, both the switches SW1 and SW2 are turned off. As a result, when current flows through the diode D1, the input sides of the circuit blocks 8-1 and 8-2 are connected in series via the diode D1, and the battery 3 is charged from the PFC / DC / DC converter unit 7. A set of DC output is obtained as electric power.
  • the control unit 9 outputs to the connection switching unit 6 a connection switching signal that turns on both the switches SW1 and SW2. .
  • the connection switching unit 6 inputs this connection switching signal, both the switches SW1 and SW2 are turned on.
  • a set of DC outputs is obtained as charging power for the battery 3 from the PFC / DC / DC converter unit 7 in which the input sides of the circuit blocks 8-1 and 8-2 are connected in parallel.
  • a voltage is applied to the diode D1 in the reverse direction and no current flows.
  • the AC power supply 2 having a power supply voltage value equal to or higher than the predetermined voltage value is a 200 Vrms AC power supply.
  • the AC power supply 2 having a power supply voltage value less than a predetermined voltage value is a 100 Vrms AC power supply.
  • the charging device according to Embodiment 1 may be configured as shown in FIG.
  • FIG. 2 is a diagram illustrating another configuration example of the charging apparatus according to the first embodiment.
  • the PFC / DC / DC converter unit 7A of the charging device 1A shown in FIG. 2 is different from the circuit block shown in FIG.
  • the circuit blocks 8A-1 and 8A-2 shown in FIG. 2 have a primary winding that also serves as a power factor improving coil, and a flyback that includes a secondary winding that insulates the AC power source 2 from the vehicle power source. Configured using an expression transformer.
  • the FETs of the circuit blocks 8A-1 and 8A-2 are switching elements for intermittently supplying a current to the primary winding of the transformer.
  • the rectifier diode rectifies the output current from the secondary winding of the transformer.
  • the smoothing capacitor stores and smoothes the output current of the rectifier diode.
  • a smoothing capacitor provided on the secondary winding side (output side) of each transformer is connected in series to the battery 3 as shown in FIG.
  • One terminal (terminal not connected to the FET) of the primary winding of the transformer of the circuit block 8A-1 is connected to one terminal of the power supply rectifier 5 and one terminal of the switch SW1, and the transformer The other terminal of the primary winding is connected to the drain terminal of the FET, and the source terminal of the FET is connected to the anode terminal of the diode D1 and one terminal of the switch SW2.
  • one terminal (terminal not connected to the FET) of the primary winding of the transformer of the circuit block 8A-2 is connected to the cathode terminal of the diode D1 and the other terminal of the switch SW1, and 1 of the transformer
  • the other terminal of the next winding is connected to the drain terminal of the FET, and the source terminal of the FET is connected to the other terminal of the switch SW2 and the other terminal of the power supply rectifying unit 5.
  • the control unit 9 operates the circuit switches 8A-1 and 8A-2 so that both the switches SW1 and SW2 of the connection switching unit 6 are turned off. Are connected in series via a diode D1. Thus, a set of direct current outputs is obtained as the charging power of the battery 3 from the PFC / DC / DC converter unit 7A. If the power supply voltage value of the AC power supply 2 is less than the predetermined voltage value, the control unit 9 operates the circuit blocks 8A-1 and 8A so that both the switches SW1 and SW2 of the connection switching unit 6 are turned on. -2 input side connected in parallel. Thereby, a set of direct current outputs is obtained as the charging power of the battery 3 from the PFC / DC / DC converter section 7A.
  • a DC / DC converter unit using a PFC unit and a forward type transformer or a coil for power factor improvement is used so that a high voltage is not applied to a switching element or a rectifier diode to be used due to a power source voltage of an AC power source.
  • a general-purpose element having a low rated voltage can be used as a switching element or a rectifier diode to be used. Furthermore, since multiple circuit blocks are used, if the AC power supply voltage is low, these circuit blocks are connected in parallel, and if the AC power supply voltage is high, a configuration in which they are connected in series is realized. can do.
  • the turn ratio of the transformer to be used and the duty of the rectangular wave voltage applied to the primary side of the transformer are in a suitable range. It is possible to keep the efficiency high under various conditions for the input AC power supply voltage and the output charging voltage of the battery 3.
  • the transformer turns ratio is set to the number of turns for a specific power supply voltage and output voltage, and a substantially rectangular wave applied to the primary side of the transformer is applied during a period in which no voltage is applied. It is desirable to have a small waveform (a rectangular wave with a wide duty). However, for example, in a configuration including one circuit block, in order to charge a 400 Vdc battery from a power supply voltage of 100 Vrms, it is necessary to use a transformer that secures a boost of about three times (400 / 100 ⁇ 2).
  • the duty of the applied rectangular wave should be approximately 1/7 [(80/200) ⁇ (100 ⁇ 2 / 400)]. I must. As described above, in the configuration including only one circuit block, the period during which no voltage is applied is inevitably expanded (the duty width of the rectangular wave is narrowed), and thus the efficiency cannot be denied.
  • the control unit 9 inputs the respective voltages output by the two, and the PFC unit so that the outputs of both are equal based on the values of these input voltages (agreeing with the output voltage of the circuit block) Or you may control each FET of a DC / DC converter part.
  • the control unit 9 feeds back the voltage of the capacitor of each PFC unit of two circuit blocks or the voltage of the smoothing capacitor of each DC / DC converter unit, so that the PFC unit or the DC / DC converter unit Control each FET.
  • the control unit 9 controls the output timing of the drive signal to shift the operation phases of the FETs of the respective circuit blocks.
  • the FETs of the circuit blocks are also connected in series. Therefore, if the FETs are not operated simultaneously, a current is supplied with a desired duty. Therefore, the control unit 9 controls the output timing of the drive signal to operate the FETs of the respective circuit blocks in the same phase.
  • the switches SW1 and SW2 for switching the connection on the input side of the two circuit blocks are relay contacts, for example, and are operated by energizing or stopping the current to the operation coil of the relay by the AC power supply voltage.
  • the voltage value for switching the connection on the input side of a plurality of circuit blocks is set to one point, when the AC power supply voltage fluctuates up and down across the voltage value, a hunting operation that repeatedly switches between series connection and parallel connection is performed. 1 and 2, the first voltage for switching the input sides of the two circuit blocks from the parallel connection to the series connection is used as the predetermined voltage value for turning on and off the switches SW1 and SW2. A value and a second voltage value that switches from series connection to parallel connection are set, and the first voltage value is higher than the second voltage value.
  • a hysteresis is provided in the voltage value for switching the connection on the input side of the plurality of circuit blocks, and the control unit 9 allows the AC power supply voltage to be equal to or higher than the second voltage value when the input sides of the two circuit blocks are connected in parallel. Even if it is less than the first voltage value, the connection is maintained, and when the AC power supply voltage exceeds the first voltage value, the input side of the two circuit blocks is switched from the parallel connection to the series connection. Control.
  • the control unit 9 maintains the connection if the AC power supply voltage is less than the first voltage value and is greater than or equal to the second voltage value. Then, when the AC power supply voltage becomes less than the second voltage value, the input side of the two circuit blocks is controlled to be switched from the serial connection to the parallel connection.
  • the first AC voltage value for switching the input side of the plurality of circuit blocks from parallel connection to series connection is, for example, 170 Vrms
  • the second AC voltage value for switching from series connection to parallel connection is, for example, 150 Vrms.
  • the power source rectifying unit 5 that rectifies the AC power source 2 into a DC output and the power factor improving function are provided to convert the voltage of the AC power source into an arbitrary voltage or current.
  • the output sides of the circuit blocks 8-1 and 8-2 are connected in series.
  • the connection switching unit 6 for switching to the connection is controlled.
  • the input sides of the circuit blocks 8-1 and 8-2 are arranged in parallel.
  • the circuit block 8- When connected and the voltage of the AC power supply 2 is equal to or higher than a predetermined voltage value, the circuit block 8- And it connects the input side of the 8-2 in series.
  • the circuit block is configured by the PFC unit (power factor correction circuit) and the forward type DC / DC converter unit, or is configured by the flyback type DC / DC converter unit.
  • the PFC unit power factor correction circuit
  • the forward type DC / DC converter unit or is configured by the flyback type DC / DC converter unit.
  • a circuit block is configured by a PFC unit and a forward type DC / DC converter unit, and in the case where importance is placed on size and cost, a circuit is configured by a flyback type DC / DC converter unit.
  • the predetermined voltage value is a first voltage value for switching the input sides of the circuit blocks 8-1 and 8-2 in series and a value lower than the first voltage value.
  • the control unit 9 When the control unit 9 is connected in parallel to the input sides of the circuit blocks 8-1 and 8-2, the control unit 9 includes the second voltage value for switching the input sides of the circuit blocks 8-1 and 8-2 in parallel. Even if the voltage of the AC power supply 2 is equal to or higher than the second voltage value, the connection is maintained if the voltage is lower than the first voltage value.
  • the circuit block 8- 1 and 8-2 are controlled so as to be switched from parallel connection to series connection, and when the input sides of the circuit blocks 8-1 and 8-2 are connected in series, the voltage of the AC power supply 2 is the first voltage. Even if it is less than the value, if it is greater than or equal to the second voltage value, the connection is maintained and the voltage of the AC power supply 2 is maintained. If less than the second voltage value, and controls to switch the input side of the circuit blocks 8-1 and 8-2 from the series connection to parallel connection. By doing in this way, generation
  • the operation phase of each of the circuit blocks 8-1, 8-2 is changed.
  • the circuit blocks 8-1 and 8-2 are connected in series, the circuit blocks 8-1 and 8-2 are operated in the same phase.
  • the operation phases of the circuit blocks 8-1 and 8-2 are shifted from each other to operate the wiring.
  • the superimposed ripple can be reduced, noise can be reduced, and when the input sides of the circuit blocks 8-1 and 8-2 are connected in series, a charging device that can be operated at a desired duty can be realized.
  • FIG. FIG. 3 is a diagram showing a configuration of a charging apparatus according to Embodiment 2 of the present invention.
  • the charging device 1B shown in FIG. 3 includes a connection switching unit 6A in which the switch SW1 of the connection switching unit 6 in the configuration of FIG. 2 of the first embodiment is a switching element (FET1) and the switch SW2 is a switching element (FET2). It is substituted.
  • FET1 switching element
  • FET2 switching element
  • the control unit 9 inputs the power supply voltage of the AC power supply 2 via the power supply rectification unit 5, compares the input voltage value with a predetermined voltage value, and the input voltage value (agreement with the power supply voltage value) is a predetermined voltage. If it is equal to or greater than the value (for example, when AC power supply 2 is a 200 Vrms AC power supply), a connection switching signal for turning off both FET1 and FET2 is output to connection switching unit 6A. When this connection switching signal is input, the connection switching unit 6A turns off both FET1 and FET2.
  • the control unit 9 controls the connection switching unit 6A.
  • a connection switching signal for turning on both FET1 and FET2 is output.
  • both the FET1 and FET2 are turned on.
  • a set of DC outputs is obtained as the charging power for the battery 3 from the PFC / DC / DC converter unit 7A in which the input sides of the circuit blocks 8A-1 and 8A-2 are connected in parallel.
  • a voltage is applied to the diode D1 in the reverse direction and no current flows.
  • control unit 9 may input the respective voltages output from the both, and control the FET of the DC / DC converter unit so that the outputs of both are equal based on these input voltage values. For example, the control unit 9 feeds back the voltages (respective output voltages) of the smoothing capacitors of the DC / DC converter units of the two circuit blocks to control the FETs of the DC / DC converter unit, Both output voltages are made equal.
  • the control unit 9 controls the output timing of the drive signal to shift the operation phases of the FETs in the respective circuit blocks.
  • the FETs of the circuit blocks are also connected in series. Therefore, if the FETs are not operated simultaneously, a current is supplied with a desired duty. Therefore, the control unit 9 controls the output timing of the drive signal to operate the FETs of the respective circuit blocks in the same phase.
  • control unit 9 connects the input sides of the two circuit blocks in parallel as the predetermined voltage value for turning on and off the FET1 and FET2 of the connection switching unit 6A.
  • a first voltage value that switches from serial connection to serial connection and a second voltage value that switches from serial connection to parallel connection are set, and the relationship between them is [(first voltage value> second voltage value)].
  • the first AC voltage value is 170 Vrms
  • the second AC voltage value is 150 Vrms.
  • FIG. 4 is a diagram illustrating a configuration example of the connection switching FET drive circuit in the control unit 9 according to the second embodiment. Since the connection switching of the circuit block by the connection switching unit does not need to be performed at a high speed like the PFC or the DC / DC converter FET, a pulse in which the primary winding and the secondary winding are insulated as shown in FIG. Use a connection switching signal generated using a transformer. In this configuration, when turning on FET1 and FET2 of the connection switching unit, a rectangular wave is input to the primary side of the pulse transformer, and the rectangular wave generated on the secondary side of the pulse transformer is rectified by a diode. The generated voltage is applied to the gate terminals of FET1 and FET2 of the connection switching unit.
  • the control unit 9 can turn on and off the FET1 and FET2 of the connection switching unit having different operating potentials, and the input side of the circuit blocks 8A-1 and 8A-2 can be controlled. It is possible to arbitrarily switch to serial connection or parallel connection.
  • connection switching unit 6A connects the input sides of the circuit blocks 8A-1 and 8A-2 either in series or in parallel with a semiconductor switching element such as an FET. Therefore, a long-life and highly reliable charging device can be realized as compared with a mechanical switch such as a relay whose contact life is an issue.
  • a transformer with a suitable turns ratio and a coil with a suitable inductance can be used for a wide range of AC power supply voltages.
  • a suitable duty rectangular wave can be applied to the transformer, and a highly efficient charging device can be configured.
  • FIG. 5 shows a configuration of the charging apparatus according to Embodiment 3 of the present invention.
  • a charging device 1C shown in FIG. 5 uses the switch SW1 of the connection switching unit 6 in the configuration of FIG. 2 of the first embodiment as a switching element (FET1), the switch SW2 as a switching element (FET2), and the diode D1 as a switching element.
  • the connection switching unit 6B is replaced with (FET3).
  • FET3 switching element
  • the control unit 9 inputs the power supply voltage of the AC power supply 2 via the power supply rectification unit 5, compares the input voltage value with a predetermined voltage value, and the input voltage value (agreement with the power supply voltage value) is a predetermined voltage. If it is equal to or greater than the value (for example, when the AC power supply 2 is a 200 Vrms AC power supply), both the FET1 and FET2 are turned off and a connection switching signal for turning on the FET3 is output to the connection switching unit 6B. When this connection switching signal is input, the connection switching unit 6B turns off both FET1 and FET2 and turns on FET3.
  • the input sides of the circuit blocks 8A-1 and 8A-2 are connected in series via the FET 3, and a current is passed through the FET 3, so that a set of charging power for the battery 3 is obtained from the PFC / DC / DC converter unit 7A. DC output is obtained.
  • the control unit 9 controls the connection switching unit 6B.
  • a connection switching signal for turning on both FET1 and FET2 and turning off FET3 is output.
  • the connection switching unit 6B turns on both FET1 and FET2 and turns off FET3.
  • a set of DC outputs is obtained as the charging power for the battery 3 from the PFC / DC / DC converter unit 7A in which the input sides of the circuit blocks 8A-1 and 8A-2 are connected in parallel.
  • FIG. 6 is a diagram illustrating another configuration example of the charging apparatus according to Embodiment 3.
  • the diodes 5-1 to 5-4 of the power supply rectification unit 5 shown in FIG. 5 are replaced with FETs 13-1 to 13-4.
  • the phase input unit of the control unit 9 is a part that controls the on / off operation of the switching element of the power supply rectification unit 5A, and inputs both voltages of the AC power supply 2 via the resistors R1 and R2, respectively, and the resistor R1 , R2 and comparators 10a and 10b for comparing the AC power supply voltage inputted through R2 and the comparison DC voltage of the comparison power supply 10c, respectively.
  • Pulse transformers 14a and 14b are provided as drivers for driving the FETs 13-3 and 13-4.
  • the pulse transformers 14a and 14b output a drive signal corresponding to the outputs of the comparators 10a and 10b to the gate terminals of the FETs 13-3 and 13-4 to perform an on / off operation.
  • the comparator 10a outputs a high-level or low-level voltage by comparing the AC power supply voltage input via the resistor R1 and the comparison DC voltage of the comparison power supply 10c, and the comparator 10b passes through the resistor R2.
  • a high level voltage or a low level voltage is output by comparing the AC power supply voltage inputted in comparison with the comparative DC voltage.
  • the output of the comparator 10a becomes high and the FET 13- 2 is turned on.
  • the output of the comparator 10b becomes high level, and the FET 13 Turn on -1.
  • the low-potential side diode (corresponding to the diodes 5-1 and 5-2) that flows current from the low-potential side output to the AC power supply 2 is short-circuited in synchronization with the phase of the AC power supply voltage of the AC power supply 2.
  • the control unit 9 controls (synchronous rectification) the on / off operation of the FETs 13-1 and 13-2 in synchronization with the phase of the AC power supply voltage of the AC power supply 2, thereby reducing the power supply rectification unit 5A. It is possible to reduce a loss due to a forward voltage drop that has occurred in the diodes 5-1 and 5-2 on the potential side.
  • the pulse transformers 14a and 14b output control signals corresponding to the outputs of the comparators 10a and 10b to the gate terminals of the FETs 13-3 and 13-4 to turn them on / off. That is, when the AC power supply voltage on the resistor R1 side of the AC power supply 2 becomes equal to or higher than the comparative DC voltage and current flows in the forward direction of the diode of the FET 13-3, the output of the comparator 10a becomes high level. Accordingly, the voltage on the secondary side of the pulse transformer 14a rises to turn on the FET 13-3.
  • FETs with a diode function or a parasitic diode such as FETs 13-1 to 13-4 in which diodes are connected in parallel may be used, or an IGBT provided with a freewheeling diode may be used. The effect is obtained.
  • FETs with a diode function or a parasitic diode such as FETs 13-1 to 13-4 in which diodes are connected in parallel may be used, or an IGBT provided with a freewheeling diode may be used. The effect is obtained.
  • FETs with a diode function or a parasitic diode such as FETs 13-1 to 13-4 in which diodes are connected in parallel may be used, or an IGBT provided with a freewheeling diode may be used. The effect is obtained.
  • For driving the high-potential side FETs 13-3, 13-4 or IGBT it is possible to use a level shift circuit or an insulated driver circuit having another configuration in addition to the pulse transformer.
  • the control unit 9 shows a circuit configuration using the comparators 10a and 10b as the phase input unit in the control unit 9.
  • the CPU takes in the AC power supply voltage of the AC power supply 2 via the A / D converter, and controls the on / off operation of the switching elements such as FETs 13-1 to 13-4 at an appropriate timing synchronized with the phase of the AC power supply 2.
  • the control unit 9 is configured to turn on (conduct) the switching element when current flows in the diode function or in the forward direction of the diode, and the power supply rectification unit and the connection switching unit are synchronized with the input AC power supply. Operate (rectify in synchronization with AC power supply).
  • the circuit configuration of the control unit 9 using the comparators 10a and 10b of the phase input unit or the CPU can use the low potential side output of the DC power source obtained by rectifying the AC power source voltage of the AC power source 2 as a common potential. For this reason, it is possible to control the on / off operation of the switching element of the circuit block unit and the switching element for synchronous rectification with a simple circuit.
  • the diode of the power supply rectifying unit is replaced with a switching element having a diode function or a switching element having a parasitic diode or a switching element in which a diode is connected in parallel.
  • the configuration may be replaced.
  • the power loss due to the diode can be reduced by short-circuiting the forward voltage drop (for example, about 0.7 to 1 V) of the diode in the power supply rectification unit or connection switching unit with the switching element connected in parallel.
  • a highly efficient charging device can be configured. For example, if the energizing current is 10 A, if a diode with a forward voltage drop of 1 V is used for the power rectifier and the connection switching unit, the power loss in the power rectifying unit and the connection switching unit will be 10 W. Can be reduced to 1 W by using a switching element of 10 m ⁇ .
  • the control unit 9 inputs the respective voltages output by both, and controls the FET of the DC / DC converter unit so that the outputs of both are equal based on these input voltage values. Also good. For example, the control unit 9 feeds back the voltages (respective output voltages) of the smoothing capacitors of the DC / DC converter units of the two circuit blocks to control the FETs of the DC / DC converter unit, Both output voltages are made equal.
  • the control unit 9 controls the output timing of the drive signal to shift the operation phases of the FETs of the respective circuit blocks.
  • the FETs of the circuit blocks are also connected in series. Therefore, if the FETs are not operated simultaneously, a current is supplied with a desired duty. Therefore, the control unit 9 controls the output timing of the drive signal to operate the FETs of the respective circuit blocks in the same phase.
  • the control unit 9 sets the predetermined voltage values for turning on / off the FET1, FET2, and FET3 of the connection switching unit 6B as two circuit blocks.
  • the first voltage value for switching the input side from the parallel connection to the serial connection and the second voltage value for switching from the serial connection to the parallel connection are set, and the relationship between them is [(first voltage value> second voltage Value)].
  • the first AC voltage value is 170 Vrms
  • the second AC voltage value is 150 Vrms.
  • FET1, FET2, and FET3 may be replaced with IGBTs or transistors other than FETs.
  • a drive signal applied to the gate terminals of the FET1, FET2, and FET3 of the connection switching unit is input to the primary side of the pulse transformer in the control unit 9, and this transformer is input. You may generate
  • the drive signal applied to the gate terminal of the FET 3 is a signal obtained by inverting the drive signals of the FET 1 and FET 2.
  • the diodes constituting the power supply rectifying unit 5A and the connection switching unit 6B are arranged in parallel with a switching element having a diode function, a switching element having a parasitic diode, or a diode.
  • the control unit 9 makes the switching element conductive at the timing when the forward current flows through the diode or a portion corresponding to the diode, thereby controlling the forward voltage drop of the diode with the switching element.
  • a short circuit occurs, power loss due to the diode can be reduced, and a highly efficient charging device can be realized.
  • a transformer with a suitable turns ratio and a coil with a suitable inductance can be used for a wide range of AC power supply voltages.
  • a suitable duty rectangular wave can be applied to the transformer, and a highly efficient charging device can be configured.
  • FIG. 7 is a diagram showing a configuration of a charging apparatus according to Embodiment 4 of the present invention.
  • the PFC / DC / DC converter unit 7B of the charging apparatus 1D shown in FIG. 7 is composed of circuit blocks 8B-1 and 8B-2.
  • Each of the circuit blocks 8B-1 and 8B-2 includes circuit block units 8B-1-1 to 8B-1-N and circuit block units 8B-2-1 to 8B-2-N (N is 2 or more). Any integer).
  • the circuit block units 8B-1-1 to 8B-1-N and the circuit block units 8B-2-1 to 8B-2-N are the same as the PFC unit and the forward type shown in FIG.
  • Each circuit is composed of small-capacity circuits using elements with low rated power while sharing a smoothing capacitor.
  • the control unit 9 outputs a drive signal to each FET of each circuit block unit to control the on / off operation, thereby controlling the output voltage in each circuit block unit.
  • PFC / DC / DC The ripple superimposed on the input and output of the converter unit 7B can be reduced.
  • the ripple current input / output to / from the smoothing capacitor can be reduced, heat generation of the smoothing capacitor due to the ripple current is reduced, and deterioration of the smoothing capacitor can be suppressed.
  • the control unit 9 controls the output timing of the drive signal, and the circuit block units 8B-1-1 to 8B-1-N and the circuit block The operation phases of the individual FETs constituting the units 8B-2-1 to 8B-2-N are shifted from each other.
  • the circuit block units 8B-1-1 to 8B-1-N and the individual FETs connected in series of the circuit block units 8B-2-1 to 8B-2-N are operated in the same phase. .
  • the ripple superimposed on the wiring can be reduced and the noise can be reduced as in the above-described parallel connection configuration.
  • a plurality of circuit block units 8B-1-1 to 8B that have a power factor improving function and convert the voltage of the AC power source into an arbitrary voltage or current and output it.
  • -N and circuit block units 8B-2-1 to 8B-2-N (N is an arbitrary integer equal to or greater than 2), and each of the circuit blocks 8B-1 and 8B-2 includes a plurality of circuit blocks.
  • N is an arbitrary integer equal to or greater than 2
  • each of the circuit blocks 8B-1 and 8B-2 includes a plurality of circuit blocks.
  • a part of the configuration is shared. By doing in this way, an element with a lower rated power can be used as an element used for each circuit block while suppressing an increase in the number of elements to be used.
  • any combination of each embodiment, any component of each embodiment can be modified, or any component can be omitted in each embodiment. .
  • the charging device according to the present invention can charge a battery that stores large power with a simple configuration with high efficiency, it is suitable for a charging device that is mounted on an electric vehicle and charges a driving battery.
  • 1,1A-1D charging device 2 AC power supply, 3 battery, 4 load, 5,5A power supply rectifier, 5-1-5-4 diode, 6,6A, 6B connection switching unit, 7,7A, 7B PFC DC / DC converter section, 8-1, 8-2, 8A-1, 8A-2, 8B-1, 8B-2 circuit block, 8B-1-1 to 8B-1-N, 8B-2-1 to 8B-2-N Circuit block unit, 9 control unit, 10a, 10b comparator, 10c comparison power supply, 13-1 to 13-4 FET, 14a, 14b pulse transformer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Rectifiers (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente invention concerne un appareil de charge d'accumulateur qui est pourvu : d'un bloc de circuits (8-1) qui possède une fonction d'amélioration du facteur de puissance, qui convertit une tension d'une alimentation électrique alternative en une tension ou un courant quelconque et qui produit en sortie la tension ou le courant ; d'un bloc de circuits (8-2). L'appareil de charge d'accumulateur possède également une unité de commutation de connexion (6) qui, entre une connexion en série et une connexion en parallèle, effectue une commutation de la connexion des côtés d'entrée des deux blocs de circuits (8-1, 8-2). Lorsque la tension d'une alimentation électrique fournissant un courant alternatif (2) est inférieure à une valeur de tension prédéterminée, les côtés d'entrée des blocs de circuits (8-1, 8-2) sont connectés en parallèle en faisant fonctionner l'unité de commutation de connexion (6) et, lorsque la tension de l'alimentation électrique fournissant un courant alternatif est égale ou supérieure à une valeur de tension prédéterminée, les côtés d'entrée des blocs de circuits (8-1, 8-2) sont connectés en série.
PCT/JP2011/007122 2011-12-20 2011-12-20 Appareil de charge WO2013093963A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2013549946A JP5855133B2 (ja) 2011-12-20 2011-12-20 充電装置
PCT/JP2011/007122 WO2013093963A1 (fr) 2011-12-20 2011-12-20 Appareil de charge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/007122 WO2013093963A1 (fr) 2011-12-20 2011-12-20 Appareil de charge

Publications (1)

Publication Number Publication Date
WO2013093963A1 true WO2013093963A1 (fr) 2013-06-27

Family

ID=48667895

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/007122 WO2013093963A1 (fr) 2011-12-20 2011-12-20 Appareil de charge

Country Status (2)

Country Link
JP (1) JP5855133B2 (fr)
WO (1) WO2013093963A1 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2892136A1 (fr) * 2014-01-07 2015-07-08 Hamilton Sundstrand Corporation Convertisseur de courant alternatif en courant continu universel
KR20160007886A (ko) * 2014-07-08 2016-01-21 엘지이노텍 주식회사 컨버터
JP2016059271A (ja) * 2014-09-08 2016-04-21 インフィネオン テクノロジーズ オーストリア アクチエンゲゼルシャフト マルチセル電力変換方法及びマルチセル電力変換器
JP2016532418A (ja) * 2013-10-02 2016-10-13 日本テキサス・インスツルメンツ株式会社 幅広い入力及び出力ダイナミックレンジを備えたインターリーブされたフォワードコンバータ
US9762134B2 (en) 2014-09-08 2017-09-12 Infineon Technologies Austria Ag Multi-cell power conversion method and multi-cell power converter
US9837921B2 (en) 2014-09-08 2017-12-05 Infineon Technologies Austria Ag Multi-cell power conversion method and multi-cell power converter
WO2018010948A1 (fr) * 2016-07-11 2018-01-18 Continental Automotive Gmbh Réseaux de bord de véhicule, système de charge, station de charge et procédé de transmission d'énergie électrique
US9929662B2 (en) 2014-09-08 2018-03-27 Infineon Technologies Austria Ag Alternating average power in a multi-cell power converter
JP2018133974A (ja) * 2017-02-17 2018-08-23 東洋電機製造株式会社 電源装置
CN109802580A (zh) * 2019-03-08 2019-05-24 中国石油天然气集团有限公司 一种用于石油钻井工具的大功率直流稳压电源
JP6576604B1 (ja) * 2018-12-18 2019-09-18 三菱電機株式会社 電力変換装置
CN110723006A (zh) * 2018-06-29 2020-01-24 维洛西门子新能源汽车法国简式股份公司 电气系统、用电池提供充电的方法、电动和混合机动车辆
WO2021053053A1 (fr) * 2019-09-19 2021-03-25 Vitesco Technologies GmbH Circuit de charge de véhicule et réseau de bord de véhicule comprenant un circuit de charge de véhicule
JP2021100363A (ja) * 2019-12-24 2021-07-01 新電元工業株式会社 スイッチング電源装置

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55131272A (en) * 1979-03-29 1980-10-11 Toko Inc Switching power supply device
JPH0591743A (ja) * 1991-09-24 1993-04-09 Tokyo Electric Co Ltd 電力変換装置
JPH066975A (ja) * 1992-06-17 1994-01-14 Canon Inc 高圧電源回路
JPH065387U (ja) * 1992-06-29 1994-01-21 横河電機株式会社 スイッチング電源装置
JPH099417A (ja) * 1995-06-14 1997-01-10 Toyota Autom Loom Works Ltd 電気自動車用充電器
JP2000037076A (ja) * 1998-07-16 2000-02-02 Sony Corp 整流回路
JP2002199711A (ja) * 2000-12-25 2002-07-12 Fujitsu Denso Ltd Ｄｃ／ｄｃコンバータの故障検出回路
JP2002246551A (ja) * 2001-02-15 2002-08-30 Hitachi Ltd 半導体装置
JP2003111412A (ja) * 2001-09-28 2003-04-11 Nf Corp Ｄｃ／ｄｃコンバータ
JP2010178594A (ja) * 2009-02-02 2010-08-12 Minebea Co Ltd 電源装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000278950A (ja) * 1999-03-25 2000-10-06 Shibaura Mechatronics Corp スパッタリング用直流電源装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55131272A (en) * 1979-03-29 1980-10-11 Toko Inc Switching power supply device
JPH0591743A (ja) * 1991-09-24 1993-04-09 Tokyo Electric Co Ltd 電力変換装置
JPH066975A (ja) * 1992-06-17 1994-01-14 Canon Inc 高圧電源回路
JPH065387U (ja) * 1992-06-29 1994-01-21 横河電機株式会社 スイッチング電源装置
JPH099417A (ja) * 1995-06-14 1997-01-10 Toyota Autom Loom Works Ltd 電気自動車用充電器
JP2000037076A (ja) * 1998-07-16 2000-02-02 Sony Corp 整流回路
JP2002199711A (ja) * 2000-12-25 2002-07-12 Fujitsu Denso Ltd Ｄｃ／ｄｃコンバータの故障検出回路
JP2002246551A (ja) * 2001-02-15 2002-08-30 Hitachi Ltd 半導体装置
JP2003111412A (ja) * 2001-09-28 2003-04-11 Nf Corp Ｄｃ／ｄｃコンバータ
JP2010178594A (ja) * 2009-02-02 2010-08-12 Minebea Co Ltd 電源装置

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016532418A (ja) * 2013-10-02 2016-10-13 日本テキサス・インスツルメンツ株式会社 幅広い入力及び出力ダイナミックレンジを備えたインターリーブされたフォワードコンバータ
EP2892136A1 (fr) * 2014-01-07 2015-07-08 Hamilton Sundstrand Corporation Convertisseur de courant alternatif en courant continu universel
US9236812B2 (en) 2014-01-07 2016-01-12 Hamilton Sundstrand Corporation Universal AC to DC converter
KR101704116B1 (ko) 2014-07-08 2017-02-07 엘지이노텍 주식회사 컨버터
KR20160007886A (ko) * 2014-07-08 2016-01-21 엘지이노텍 주식회사 컨버터
US9929662B2 (en) 2014-09-08 2018-03-27 Infineon Technologies Austria Ag Alternating average power in a multi-cell power converter
JP2016059271A (ja) * 2014-09-08 2016-04-21 インフィネオン テクノロジーズ オーストリア アクチエンゲゼルシャフト マルチセル電力変換方法及びマルチセル電力変換器
US9584034B2 (en) 2014-09-08 2017-02-28 Infineon Technologies Austria Ag Power converter circuit and method with asymmetrical half bridge
US9837921B2 (en) 2014-09-08 2017-12-05 Infineon Technologies Austria Ag Multi-cell power conversion method and multi-cell power converter
US9762134B2 (en) 2014-09-08 2017-09-12 Infineon Technologies Austria Ag Multi-cell power conversion method and multi-cell power converter
WO2018010948A1 (fr) * 2016-07-11 2018-01-18 Continental Automotive Gmbh Réseaux de bord de véhicule, système de charge, station de charge et procédé de transmission d'énergie électrique
US11097626B2 (en) 2016-07-11 2021-08-24 Continental Automotive Gmbh Vehicle electrical systems, charging system, charging station, and method for transmitting electrical energy
JP2018133974A (ja) * 2017-02-17 2018-08-23 東洋電機製造株式会社 電源装置
CN110723006A (zh) * 2018-06-29 2020-01-24 维洛西门子新能源汽车法国简式股份公司 电气系统、用电池提供充电的方法、电动和混合机动车辆
WO2020129143A1 (fr) * 2018-12-18 2020-06-25 三菱電機株式会社 Dispositif de conversion de puissance
JP6576604B1 (ja) * 2018-12-18 2019-09-18 三菱電機株式会社 電力変換装置
CN109802580A (zh) * 2019-03-08 2019-05-24 中国石油天然气集团有限公司 一种用于石油钻井工具的大功率直流稳压电源
CN109802580B (zh) * 2019-03-08 2020-02-14 中国石油天然气集团有限公司 一种用于石油钻井工具的大功率直流稳压电源
WO2021053053A1 (fr) * 2019-09-19 2021-03-25 Vitesco Technologies GmbH Circuit de charge de véhicule et réseau de bord de véhicule comprenant un circuit de charge de véhicule
CN114364567A (zh) * 2019-09-19 2022-04-15 纬湃科技有限责任公司 车辆充电电路及具有车辆充电电路的车辆车载网络
US11667204B2 (en) 2019-09-19 2023-06-06 Vitesco Technologies GmbH Vehicle charging circuit and vehicle electrical system having the vehicle charging circuit
CN114364567B (zh) * 2019-09-19 2023-08-22 纬湃科技有限责任公司 车辆充电电路及具有车辆充电电路的车辆车载网络
JP2021100363A (ja) * 2019-12-24 2021-07-01 新電元工業株式会社 スイッチング電源装置
JP7389642B2 (ja) 2019-12-24 2023-11-30 新電元工業株式会社 スイッチング電源装置

Also Published As

Publication number Publication date
JP5855133B2 (ja) 2016-02-09
JPWO2013093963A1 (ja) 2015-04-27

Similar Documents

Publication Publication Date Title
JP5855133B2 (ja) 充電装置
CN102282749B (zh) 电力转换器
US7830686B2 (en) Isolated high power bi-directional DC-DC converter
US10071637B2 (en) Pulse width modulation resonance converter and charger for vehicle using the same
JP4910078B1 (ja) Ｄｃ／ｄｃ変換器およびａｃ／ｄｃ変換器
JP5546685B2 (ja) 充電装置
US9209698B2 (en) Electric power conversion device
US20200266713A1 (en) DC-DC converter
JP6742145B2 (ja) 双方向ｄｃ−ｄｃコンバータ、これを用いた電源システム及び当該電源システムを用いた自動車
CN110739848A (zh) 用于电动化车辆的高增益dc-dc转换器
JP2013074779A (ja) 絶縁型双方向Ｃｕｋコンバータとその駆動方法
CN114788155A (zh) 组合式转换器电路
KR20160007867A (ko) 풀브릿지 저전압 ｄｃ-ｄｃ 컨버터
Rehlaender et al. Dual interleaved 3.6 kW LLC converter operating in half-bridge, full-bridge and phase-shift mode as a single-stage architecture of an automotive on-board DC-DC converter
CN114499194A (zh) 电源控制装置
JP6709965B2 (ja) スナバ回路、及びそれを用いた電力変換システム
JP6369509B2 (ja) 電力変換回路
JP5540872B2 (ja) 電源装置
JP6953634B2 (ja) Ｄｃ／ｄｃコンバータを備える車両充電器
JP6502088B2 (ja) 電源システム、車両及び電圧制御方法
KR20210018598A (ko) 차량용 전력 변환 시스템 및 그 제어 방법
US9806550B2 (en) Load current regenerating circuit and electrical device having load current regenerating circuit
JP6668056B2 (ja) 電力変換装置、これを用いた電源システム及び自動車
JP2015139312A (ja) スイッチング電源装置、電力変換装置
JP2013005642A (ja) 電力変換装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11878183

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2013549946

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11878183

Country of ref document: EP

Kind code of ref document: A1