WO2019020460A2 - Topologie de circuit de chargeur-inverseur ayant au moins deux ponts b6 montés en parallèle - Google Patents

Topologie de circuit de chargeur-inverseur ayant au moins deux ponts b6 montés en parallèle Download PDF

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Publication number
WO2019020460A2
WO2019020460A2 PCT/EP2018/069513 EP2018069513W WO2019020460A2 WO 2019020460 A2 WO2019020460 A2 WO 2019020460A2 EP 2018069513 W EP2018069513 W EP 2018069513W WO 2019020460 A2 WO2019020460 A2 WO 2019020460A2
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WO
WIPO (PCT)
Prior art keywords
inverter
charging
circuit topology
energy source
charger circuit
Prior art date
Application number
PCT/EP2018/069513
Other languages
German (de)
English (en)
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WO2019020460A3 (fr
Inventor
Taleb Janbein
Original Assignee
Robert Bosch Gmbh
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Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2019020460A2 publication Critical patent/WO2019020460A2/fr
Publication of WO2019020460A3 publication Critical patent/WO2019020460A3/fr

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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
    • B60L53/10—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 the energy transfer between the charging station and the vehicle
    • B60L53/11—DC charging controlled by the charging station, e.g. mode 4
    • 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
    • B60L53/10—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 the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • 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
    • B60L53/24—Using the vehicle's propulsion converter for charging
    • 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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/40—Electrical machine applications
    • B60L2220/42—Electrical machine applications with use of more than one motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/50—Structural details of electrical machines
    • B60L2220/54—Windings for different functions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2220/00—Electrical machine types; Structures or applications thereof
    • B60L2220/50—Structural details of electrical machines
    • B60L2220/58—Structural details of electrical machines with more than three phases
    • 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
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/66—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal
    • H02M7/68—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters
    • H02M7/72—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/79—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/81—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal arranged for operation in parallel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility
    • 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

  • Inverter-charger circuit topology with at least two B6 bridges connected in parallel
  • the invention relates to an inverter-loader circuit topology with at least two B6 bridges connected in parallel and a method for operating an inverter-loader circuit topology. Furthermore, the invention relates to an inverter charging system, an electric drive train with an inverter-charger circuit topology and a computer program and a machine-readable storage medium.
  • Electric vehicle is usually carried out by means of provided by an AC voltage electrical energy.
  • WO 2016/050392 AI discloses a cost-effective and efficient charging circuit for an electrical energy store for charging, common components being used for charging and discharging the electrical energy store. In this way, a flexible circuit arrangement with a small number of components is made possible.
  • an inverter-charger circuit topology is described with at least two B6 bridges connected in parallel, with which it is possible, on the one hand, to charge a battery and, on the other hand, to operate at least one electrical machine.
  • energy from the battery can be returned to one
  • the at least one electrical machine to be connected for this purpose is designed either as an at least six-phase machine with at least two three-phase star-connected systems or as at least two three-phase star-connected machines.
  • the at least two three-phase machines can be arranged, for example, in separate housings or in a common housing.
  • a three-phase three-phase electric machine can be used, in which case a correspondingly adapted inverter-loader circuit topology is to be used.
  • the nine-phase electric machine can in turn be replaced by three three-phase machines, which can be arranged in a common or separate housings.
  • An inverter-loader circuit topology is provided with at least two parallel B6 bridges.
  • a B6 bridge comprises at least three parallel half bridges.
  • a half-bridge comprises a series connection of two switching elements. The series connection of the two switching elements is connected between a first potential terminal and a second potential terminal. Furthermore, the half-bridge comprises a center connection between the two switching elements for connection of a phase of an electrical machine.
  • Each three phases of the at least one electric machine are connected in a star shape and form at least a first and a second star point connection.
  • the first and the second potential connection are designed to connect the battery poles of a battery.
  • the at least first and second neutral point connection are set up to connect a charging energy source.
  • an inverter-charger circuit topology is provided with at least two B6 bridges connected in parallel.
  • the inverter-charger circuit topology includes the neutral point terminals which form the connection points for the connectable charging energy source.
  • the neutral connections via the electrical machine and the B6 bridges establish the electrical connection between the connectable charging energy source and the battery to be connected.
  • a B6 bridge to energize the three phases of the electric
  • a B6 bridge comprises at least three parallel-connected half-bridges. These half bridges each include a series connection of two switching elements. Each series connection of the two switching elements is electrically connected on the one hand to a first potential terminal and on the other hand to a second potential terminal. The series circuits are thus connected in parallel.
  • Each half-bridge comprises a center connection between the two switching elements of the series circuit for connecting a phase of an electrical machine. This results in at least six center connections for connecting one phase at least one electrical machine to be connected. Depending on the switch position of the two switching elements, the center connection can thus be selectively connected to the first potential connection or to the second potential connection. Thus, a current flow through a connected to the center connection phase of an electric machine can be made possible.
  • Three phases each of the at least one electrical machine to be connected are connected in a star-shaped manner. Which is through the star-shaped interconnection of the three phases resulting star points form at least a first and a second neutral connection.
  • star point terminals are configured and / or led out of the electric machine or the inverter charger such that a contacting or electrical connection with the terminals of a charging energy source is made possible.
  • the first and the second potential connection are designed to connect the battery poles of a battery.
  • the at least first and second neutral point connection are set up to connect a charging energy source.
  • both the star point terminals and the potential terminals are designed in such a way, for example inside or outside the housing of the electric machine or the inverter charger or a common housing, so that an electrical connection to the charging energy source or battery by means of known plugs or other connecting means possible is.
  • an inverter-charger circuit topology is provided with at least two B6 bridges connected in parallel, which allows the connection of a battery and the connection and operation of at least one electric machine with two three-phase windings or at least two three-phase electrical machines and the connection of a charging energy source and the Charging by means of the charging power source allows.
  • a particularly simple, robust topology is provided, which makes it possible to charge the battery with little additional or modified parts and correspondingly little additionally required installation space.
  • At least one switching element z At least one switching element z.
  • An insulated gate bipolar transistor Insulated Gate Bipolar Transistor (IGBT)) or a metal-oxide-semiconductor field effect transistor (MOS-FET).
  • IGBTs as well as MOSFETs are power electronics components that can reliably switch high currents of several amperes.
  • the electric machine is an electric traction motor. electrical
  • Traction motors are used as drive units in vehicles. It can also be a combination of traction motors and other electrical machines such as generators, alternators, starters and the like used.
  • the inverter-Lader-Scriens- topology for connecting a two-phase charging energy source is set up.
  • the inverter-charger circuit topology is preferably configured to connect a two-phase charging energy source.
  • a direct connection of each phase of the charging energy source to the at least first and second neutral connection is possible. Due to the inductances or windings of the electric machine located in the current path between the charging energy source and the battery, it is possible to increase the voltage of the charging energy source for charging the battery by means of an adapted clock ratio of the actuation of the switching elements of the half bridges.
  • a topology is provided for easy operation of the inverter-charger circuit topology, enabling boosting the voltage of the charging energy source to charge the battery.
  • the inverter-Lader-Scigens- topology for connecting a DC charging power source is established.
  • the inverter-charger circuit topology is preferably configured to connect a DC charging energy source.
  • a direct connection of each phase of the charging power source to the at least first and second neutral point connection is possible.
  • a direct connection of each phase of the charging energy source to the at least first and second neutral connection is possible. Due to the inductances or windings of the electric machine located in the current path between the charging energy source and the battery, it is possible to increase the voltage of the charging energy source for charging the battery by means of an adapted clock ratio of the actuation of the switching elements of the half bridges.
  • a topology is provided for easy operation of the inverter-loader circuit topology, thereby enabling the voltage of the charging power source to charge the battery.
  • a step-down converter is connected between the charging energy source to be connected and the first and the second neutral connection.
  • a buck converter consists of a controllable switching element, which is connected on the one hand to the first neutral point terminal and on the other hand is set up as a terminal contact for connection of a first terminal of the charging power source. Furthermore, the buck converter comprises a diode, which is connected on the one hand to the first neutral point terminal and on the other hand to the second neutral point terminal.
  • the charging energy source to be connected is connected on the one hand via the terminal contact with the controllable switching element and on the other hand via the second neutral connection to the inverter-charger circuit topology.
  • the diode is oriented such that the diode blocks the current from the first to the second terminal of the charging energy source when the controllable switching element is closed.
  • the controllable switching element By driving the controllable switching element with an adjusted duty cycle, the voltage of the charging power source for charging the battery is lowered.
  • a supplemental topology is provided for easy operation of the inverter-charger circuit topology, allowing the voltage of the charging energy source to charge the battery.
  • the inverter-Lader-Scigens- topology for connecting a three-phase charging energy source is set up.
  • a third neutral point connection is formed in addition to the first and the second neutral connection.
  • The, in particular to be connected, charging energy source is preferably three-phase.
  • a direct connection of each phase of the charging energy source to the at least first and second and third neutral point connection is possible. Due to the inductances or windings of the electrical machine located in the current path between the charging energy source and the battery, it is possible by means of adapted tem duty cycle of the actuation of the switching elements of the half-bridges to raise the voltage of the charging power source to charge the battery.
  • a possibility for a simple operation of the inverter-charger circuit topology is provided, wherein it is possible to increase the voltage of the charging energy source for charging the battery.
  • the inverter-charger circuit topology is adapted to connect an AC charging power source.
  • the inverter-charger circuit topology is preferably configured to connect an AC charging energy source.
  • AC charging energy source direct connection of each phase of the charging power source to the at least first and second neutral point connection, or third neutral point connection is possible. Due to the inductances or windings of the electric machine located in the current path between the charging energy source and the battery, it is possible to increase the voltage of the charging energy source for charging the battery by means of an adapted clock ratio of the actuation of the switching elements of the half bridges.
  • a possibility for a simple operation of the inverter charging circuit topology is provided, wherein it is possible to increase the voltage of the charging power source for charging the battery.
  • a pulsed rectifier is connected between the charging energy source to be connected and the star point terminals.
  • a two- or three-phase pulsed rectifier is preferably connected, depending on whether a two-phase or three-phase AC charging energy source is connected.
  • a pulsed rectifier consists per phase of the charging energy source to be connected from a series circuit of a first diode, a first switching element, a center tap for connecting a phase of the charging power source, a second diode and a second switching element.
  • the series connections and a further diode are connected in parallel.
  • the diode and the parallel connected Series circuits are connected on the one hand to the first and on the other hand to the second neutral connection.
  • the diodes are all aligned such that, even with closed switching elements of the pulsed rectifier, they block a current from the first neutral point connection to the second neutral point connection.
  • the voltage of the charging power source for charging the battery is lowered.
  • a supplemental topology is provided for easy operation of the inverter-loader circuit topology, allowing the voltage of the charging power source to charge down the battery.
  • the inverter-Lader-Scienss- topology for connecting a three-phase AC charging energy source is set up.
  • the inverter-charger circuit topology includes a parallel further half-bridge.
  • the further half-bridge comprises a series connection of two switching elements.
  • the series connection of the two switching elements is connected between the first potential terminal and the second potential terminal.
  • the further half-bridge comprises a center connection between the two switching elements for connecting a coil between the further half-bridge and one of the three phases of the three-phase charging energy source.
  • a coil can be connected to the center tap, which is comparable to the inductive effect of the winding of an electrical machine.
  • the other side of the coil is designed as a third connection for the connection of a phase of a charging power source.
  • a supplemental topology is provided for easy operation of the inverter-charger circuit topology with a three-phase charging energy source, wherein no third B6 bridge is needed. Increasing the voltage of the charging power source for charging the battery is enabled.
  • the invention relates to an inverter charging system with a previously described inverter-charger circuit topology with a connected battery and / or a charging power source.
  • An inverter charging system is provided that includes an inverter-charger circuit topology with a connected battery and / or a charging power source.
  • a system is provided which allows the charging of a battery and the operation of an electrical machine to be connected.
  • the invention relates to an electric drive train with a previously described inverter-charger circuit topology with at least one connected electric machine, a connected battery and / or a charging power source.
  • An electric drive train which comprises an inverter-charger circuit topology with at least one connected electrical machine, a connected battery and / or a charging energy source.
  • an electric drive train system is provided, which rather allows the charging of a battery and the operation of an electrical machine.
  • the invention relates to a method for operating an inverter-charger circuit topology according to any one of the preceding claims with the steps: driving the switching elements of the half-bridges for the operation of a connected machine; Driving the switching elements of the half-bridges for charging a connected battery.
  • the voltage of the charging power source is set in response to the voltage required for charging the battery.
  • a method for operating an inverter-loader circuit topology as previously described is provided.
  • the switching elements are driven in such a way that an electrical energy of a connected battery for the operation of the electric machine is transported to the electric machine becomes.
  • the switching elements are driven so that an electric energy of a charging power source is transported to the battery.
  • the switching elements are driven so that the voltage of the charging energy source is set in response to the voltage required for charging the battery.
  • the voltage of the charging energy source is lowered depending on the voltage required for charging the battery if appropriate topologies are available that allow a step down, such as a buck converter or a pulsed rectifier.
  • the phase position of the charging currents are taken into account and minimized by means of targeted influencing the control the repercussions in the direction of the charging energy source.
  • a line filter or corresponding PFC devices for power factor correction are consequently not required.
  • a method is provided for controlling an inverter-charger circuit topology.
  • the low-side switches In particular for charging the battery by means of a charging energy source, the low-side switches, that is to say the switching elements SL_X, can be operated in an interleave mode or a simultaneous mode.
  • the switching of the low-side switch of the first B6 bridge is explained, which is connected to the first terminal of the charging power source, which is assumed below, that is applied to the first terminal of the charging power source, a positive voltage.
  • the circuit of the low-side switch In the case of an AC power source, the circuit of the low-side switch must be the same as before with the other B6 bridge when changing the sign of the applied voltage.
  • interleave mode only one low-side switch is closed at a time; they are put into closed state one after the other. Thus, each switch is driven with one third of the switching frequency and correspondingly with a maximum third duty cycle. In the same mode, all three low-side
  • Switches which are connected to the first terminal of the charging power source, simultaneously closed and simultaneously open.
  • a current in the technical current direction flows through all high-side switches, that is, the switching elements SH_X, which are connected to the first terminal of the charging power source, whenever the low-side switches are closed.
  • the battery is therefore with a pulsed charging current through the high-side switch charged, the current jumps between zero amps and a maximum value.
  • the voltage of the battery does not increase evenly, but only at each current pulse.
  • suspend mode the battery is charged with a more uniform charge current through the high-side switches, and under certain conditions the current does not drop to zero amps. The voltage of the battery increases evenly.
  • the invention relates to a computer program which is set up to carry out the described method.
  • the invention relates to a machine-readable storage medium on which the computer program described is stored.
  • FIG. 1 A first figure.
  • FIG. 3 a schematic representation of a connectable two-phase charging energy source
  • FIG. 11 a schematically illustrated flowchart for a method for operating an inverter-charger circuit topology
  • FIG. 1 shows a schematic representation of an inverter-charger circuit topology 100 with two B6 bridges 120, 140 connected in parallel.
  • Each of the B6 bridges 120, 140 comprises at least three half-bridges H_1..H_3 or H_4 connected in parallel ..H_6.
  • Each half-bridge H_1..H_6 consists of one
  • the switching elements SH_X allow in the closed state, an electrical connection of a center terminal MA_X with a first potential connection POAl and the switching elements SL_X allow in the closed
  • the first and second potential terminals POA1 and POA2 are configured such that a battery 150 can be connected thereto.
  • a DC link capacitor 170 may be provided, which dampens the voltage and current ripple generated during the electrically loaded operation of the switching elements.
  • the three center connections MA_1..MA_3 and MA_4..MA_6 are designed such that in each case three phases PH_1..PH_3, PH_4..PH_6 of the at least one electric machine EM_1, EM_2 can be connected thereto.
  • EM_1, EM_2 are interconnected in a star configuration
  • the resulting two star points SPA_1 and SPA_2 are designed in such a way that a charging energy source can be connected to it.
  • the inverter-charger circuit topology 100 With appropriate control of the switching elements SH_X and SL_X, both operation of a connected electric machine EM_1, EM_2 and charging of the connected battery 150 from a connected charging energy source are possible.
  • An increase in the voltage of the charging energy source is also possible due to the inductances IN_X located in the current path between the charging energy source and the battery 150 when the switching elements SH_X and SL_X are actuated correspondingly.
  • FIG. 2 shows a schematic representation of an inverter-charger circuit topology 200 with three B6 bridges 120, 140, 160 connected in parallel.
  • the third B6 bridge 160 also comprises at least three parallel half-bridges H_7..H_9.
  • Each half-bridge H_7..H_9 consists of a series form of two switching elements SH_7..SH_9 and SL_7..SL_9, wherein between the switching elements in each case a center connection MA_7..MA_7 is arranged.
  • the switching elements SH_X allow an electrical connection of a central terminal MA_X to a first potential terminal POA1
  • the switching elements SL_X allow an electrical connection of a central terminal MA_X to a second potential terminal POA2 in the closed state.
  • the first and second potential terminals POA1 and POA2 are configured such that a battery 150 can be connected thereto.
  • an intermediate circuit capacitor 170 may be provided, which dampens the resulting voltage and current ripple in electrically loaded operation of the switching elements.
  • the center connections MA_1..MA_6 already contained in FIG.
  • the center connections MA_7..MA_9 are designed such that three phases PH_7..PH_9 of the at least one electric machine EM_1, EM_2, EM_3 can be connected thereto.
  • the windings IN_1..IN_3, IN_4..IN_6, IN 7..IN 9 of the at least one electric machine EM_1, EM_2, EM_3 are connected in a star-shaped manner.
  • the resulting three star points SPA_1, SPA_2 and SPA_3 are designed such that a two- or three-phase charging energy source can be connected to it.
  • FIG. 3 shows a schematic representation of a connectable two-phase charging energy source LE_2Z whose phases can each be connected to one of the star point terminals SPA_1 and SPA_2. With a corresponding connection, charging of the connected battery 150 is possible by means of an adapted control of the switching elements SH_X and SL_X.
  • FIG. 4 shows a schematic illustration of a connectable two-phase DC charging energy source LE_2D whose positive phase can be connected to the star point terminal SPA_1 and its negative phase to the star point terminal SPA_2. With a corresponding connection, charging of the connected battery 150 is possible by means of an adapted control of the switching elements SH_X and SL_X.
  • FIG. 5 shows a schematic representation of a connectable two-phase DC charging energy source LE_2D with a step-down converter 300 connected to the inverter-charger circuit topology 100, 200, 500, 600.
  • the step-down converter 300 comprises a controllable switching element TS, which is connected to the first one Star point terminal SPA_1 is connected and on the other hand as a terminal contact for connection of a first terminal of the charging power source LE_2D is set up.
  • the buck converter 300 comprises a diode TD, which is connected on the one hand to the first neutral point connection SPA_1 and on the other hand to the second neutral point connection SPA_2.
  • the charging energy source to be connected for example the charging energy source LE_2D, is connected, on the one hand, to the controllable switching element TS via the connection contact and, on the other hand, via the second neutral connection SPA_2 to the inverter-charger circuit topology 100, 200, 500, 600.
  • the diode TD is oriented such that the diode TD blocks the current from the first to the second neutral connection SPA_1, SPA_2 or when the charging energy source is connected when the controllable switching element TS is closed, the current from the first terminal to the second terminal of the charging energy source.
  • FIG. 6 shows a schematic representation of a connectable three-phase charging energy source LE_3A, the phases of which can each be connected to one of the star point terminals SPA_1, SPA_2 and SPA_3. With a corresponding connection, charging of the connected battery 150 is possible by means of an adapted control of the switching elements SH_X and SL_X.
  • FIG. 7 shows a schematic representation of a connectable two-phase AC charging energy source LE_2A, whose first phase can be connected to the neutral point connection SPA_1 and whose second phase can be connected to the neutral point connection SPA_2.
  • charging of the connected battery 150 is possible by means of an adapted control of the switching elements SH_X and SL_X.
  • FIG. 8 shows a schematic illustration of a connectable three-phase AC charging energy source with a pulsed rectifier 400 connected to the inverter-charger circuit topology 100, 200, 500, 600.
  • charging energy source LE_3A and the first and the second neutral point connection SPA_1 and SPA_2 is a three-phase pulsed rectifier 400 connected.
  • the pulsed rectifier 400 consists of a series connection of a first diode GDI, GD3, GD5, a first switching element GSL, GS3, GS5, a center tap MGI, MG2, MG3 for connecting each phase of the charging energy source, a second diode GD2, for each phase of the charging energy source to be connected.
  • the series circuits and another diode GDD are connected in parallel.
  • the diode GDD and the parallel-connected series circuits are connected on the one hand to the first and on the other hand to the second neutral point connection SPA_1, SPA_2.
  • the diodes GDX, GDD are all aligned such that, even with closed switching elements GSX of the pulsed rectifier, they block a current from the first neutral point connection SPA_1 to the second neutral point connection SPA_2.
  • FIG. 9 shows a schematic representation of a connectable two-phase DC charging energy source LE_2A with a pulsed rectifier 420 connected to the inverter-charger circuit topology.
  • the illustration and mode of operation of the supplementary topology corresponds to that of FIG. 8, wherein a series circuit for connecting a third Phase of the charging energy source is eliminated.
  • FIG. 10 shows an alternative schematic representation of an inverter-charger circuit topology 250 for connecting a three-phase AC charging energy source LE_3X.
  • the inverter-charger circuit topology 250 comprises, in addition to the two B6 bridges 120, 140, a parallel further half-bridge H_A.
  • the further half-bridge H_A comprises a series connection of two
  • Switching elements SH_A, SL_A The series connection of the two switching elements
  • SH_A, SL_A is connected between the first potential terminal POA1 and the second potential terminal POA2.
  • the further half-bridge H_A comprises a center connection MA_A between the two switching elements SH_A, SL_A for
  • connection PH_A Connecting a coil or inductance IN_A via the connection PH_A between the further half-bridge H_A and one of the three phases of the three-phase charging energy source.
  • the structure of the further half-bridge H_A corresponds to that of the half bridges from the B6 bridges 120, 140.
  • a coil IN_A can be connected to the center tap MA_A, which is comparable to the inductive effect of the winding of a electrical machine acts.
  • connection SPA_A for connecting a
  • Phase configured a charging power source By means of the inverter-charger circuit topology 250 is with appropriate control of the switching elements
  • SH_X and SL_X both an operation of a connected electric machine EM_1, EM_2 and a charging of the connected battery 150 from a connected charging power source possible. Also a raising of the
  • Voltage of the charging power source is possible due to the located in the current path between the charging power source and the battery 150 inductors IN_X with appropriate control of the switching elements SH_X and SL_X.
  • FIG. 11 shows a flow chart for a method (700) for operating an inverter-loader circuit topology (100, 200, 250).
  • the method begins with step 705.
  • step 710 the switching elements SH_X, SL_X of the half-bridges H_X are actuated for the operation of a connected electric machine EM_1, EM_2.
  • the switching elements SH_X, SL_X are driven in such a way that an electrical energy of a connected battery 150 is transported to the electric machine for the operation of the electric machine.
  • the switching elements SH_X, SL_X of the half-bridges H_X for charging a connected battery 150 are driven.
  • the switching elements SH_X, SL_X are driven in such a way that an electrical energy of a charging energy source LE_XZ is transported to the battery 150.
  • the method ends with step 725.
  • the voltage of the charging power source LE_XZ is set high as a function of the voltage required for charging the battery 150.
  • the voltage of the charging energy source LE_XZ is lowered as a function of the voltage required for charging the battery 150 if corresponding circuit topologies are connected which enable step-down, for example a step-down converter 300 or a pulsed rectifier 400.
  • the switching elements SH_X SL_X of the half-bridges H_X for charging the connected battery 150 as a function of the required for charging the battery 150 electrical energy
  • the phase position of the charging currents taken into account and minimizes the repercussions in the direction of the charging energy source by selectively influencing the control.
  • a line filter or corresponding PFC devices for power factor correction are consequently not required.
  • cos ( ⁇ t>) 1, in any case cos ( ⁇ t>)> 0.98.
  • the switching elements are ideally switched so that as few as possible, ideally none, harmonics of the frequency of the AC power source are fed into the supplying charging power source or in a supplying network.
  • the switching elements SL_X are controlled in a suitable manner, so that the current drawn from the terminals of the charging energy source (substantially or exactly) in phase with the voltage of the charging energy source and thus the removed reactive power ideally is zero.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Inverter Devices (AREA)

Abstract

L'invention concerne une topologie de circuit chargeur-inverseur (100, 200, 500, 600) comprenant au moins deux ponts B6 (120, 140, 160) montés en parallèle auxquels les six phases d'au moins une machine électrique (EM_Y) peuvent être raccordées. Chacune des trois phases (PH_X) de l'au moins une machine électrique (EM_Y) est montée en étoile et forme au moins une première et une deuxième borne de point neutre (SPA1, SPA2) auxquelles une source d'énergie de charge peut être raccordées.
PCT/EP2018/069513 2017-07-26 2018-07-18 Topologie de circuit de chargeur-inverseur ayant au moins deux ponts b6 montés en parallèle WO2019020460A2 (fr)

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DE102017212829.1A DE102017212829A1 (de) 2017-07-26 2017-07-26 Inverter-Lader-Schaltungstopologie mit mindestens zwei parallel geschalteten B6-Brücken
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DE102019203896A1 (de) * 2019-03-21 2020-09-24 Bombardier Transportation Gmbh Flexibel konfigurierbare Stromrichteranordnung und Verfahren zum Konfigurieren einer Stromrichteranordnung
CN115520057B (zh) * 2022-11-22 2023-03-31 小米汽车科技有限公司 充电桩拓扑确定方法、装置及存储介质

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WO2016050392A1 (fr) 2014-10-01 2016-04-07 Robert Bosch Gmbh Circuit de charge pour un accumulateur d'énergie électrique, système d'entraînement électrique et procédé pour faire fonctionner un circuit de charge

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US5099186A (en) * 1990-12-31 1992-03-24 General Motors Inc. Integrated motor drive and recharge system
US7733039B2 (en) * 2006-10-19 2010-06-08 Ut-Battelle, Llc Electric vehicle system for charging and supplying electrical power
US8183820B2 (en) * 2008-07-21 2012-05-22 GM Global Technology Operations LLC Power processing systems and methods for use in plug-in electric vehicles
CN106143175B (zh) * 2015-04-24 2018-09-07 乐金电子研发中心(上海)有限公司 一种电动汽车充电和电机驱动集成电路
DE102016015311A1 (de) * 2016-12-22 2017-07-20 Daimler Ag Elektrisches Antriebssystem für ein Fahrzeug und Verfahren zu dessen Betrieb

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WO2016050392A1 (fr) 2014-10-01 2016-04-07 Robert Bosch Gmbh Circuit de charge pour un accumulateur d'énergie électrique, système d'entraînement électrique et procédé pour faire fonctionner un circuit de charge

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