EP2994995A2 - Antriebsbatterie für den n-phasigen betrieb eines elektromotors sowie ein antriebssystem und ein verfahren zum betrieb des antriebssystems - Google Patents
Antriebsbatterie für den n-phasigen betrieb eines elektromotors sowie ein antriebssystem und ein verfahren zum betrieb des antriebssystemsInfo
- Publication number
- EP2994995A2 EP2994995A2 EP14723050.2A EP14723050A EP2994995A2 EP 2994995 A2 EP2994995 A2 EP 2994995A2 EP 14723050 A EP14723050 A EP 14723050A EP 2994995 A2 EP2994995 A2 EP 2994995A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- battery
- drive
- electric motor
- phase
- string
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
- B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/22—Balancing the charge of battery modules
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1469—Regulation of the charging current or voltage otherwise than by variation of field
- H02J7/1492—Regulation of the charging current or voltage otherwise than by variation of field by means of controlling devices between the generator output and the battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
- H02J7/575—Parallel/serial switching of connection of batteries to charge or load circuit
-
- 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
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
-
- 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
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/4835—Converters with outputs that each can have more than two voltages levels comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage
-
- 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
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/49—Combination of the output voltage waveforms of a plurality of converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/16—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/12—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/421—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/547—Voltage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/549—Current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2105/00—Networks for supplying or distributing electric power characterised by their spatial reach or by the load
- H02J2105/30—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles
- H02J2105/33—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles exchanging power with road vehicles
- H02J2105/37—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles exchanging power with road vehicles exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Details of circuit arrangements for charging or discharging batteries or 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—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
- H02J7/52—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially for charge balancing, e.g. equalisation of charge between batteries
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/80—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including monitoring or indicating arrangements
- H02J7/82—Control of state of charge [SOC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02T10/80—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
- Y02T90/12—Electric charging stations
-
- 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 drive battery for the n-phase operation of an electric motor having at least 2 * n battery strings and a drive system and a method for operating the drive system.
- Electromobility is playing an increasingly important role for current and future generations of automobiles. Electric drives come either completely as an alternative to the known internal combustion engine or as
- DC link voltage ie the DC voltage, in the required n-phase, but usually converts 3-phase sinusoidal voltage.
- the drive batteries of the prior art typically include a plurality of lithium-ion battery cells, which only in a very
- lithium-ion battery cells may not be charged beyond a predetermined threshold or below a
- monitoring circuits In order to be able to ensure that the battery cells are always operated in the operating points which can be derived from the abovementioned conditions, sensor technology in the form of monitoring circuits is often used in the drive batteries of the prior art. The voltage and temperature of each battery cell is detected by a monitoring circuit and forwarded the information about these quantities to a central unit. Often, means for active or passive balancing of the battery cells are provided in such monitoring circuits, via which the state of charge of the battery cells is equalized with each other. The monitoring circuits are typically along with the
- DC link voltage which is a DC voltage of usually about 400 to 500 V, provided or directed into the inverter.
- the inverter which is a so-called pulse inverter (PWR) converts the DC voltage into a mostly 3-phase
- the pulse inverter generally operates with so-called insulated gate bipolar transistors (IGBTs), which are arranged in a B6 bridge configuration and thus also capable of generating negative voltages of the mostly three phases.
- IGBTs insulated gate bipolar transistors
- DICO Direct Converter
- the drive battery in the direct inverter concept into individual battery modules, for example, each divided into 12 battery cells, which can be switched on respectively to the drive battery or decoupled from the drive battery, so almost bridged in the manner of a bypass.
- a further development of this "ALETO" concept is given with the so-called “Smart-CeH” concept
- Coupling circuit usually in a half-bridge or full bridge configuration with each other and are connected to the respective battery cell.
- the switching means of these coupling circuits must always be able to lead the entire phase current, which may currently exceed, for example, an amount of 480 amperes.
- high currents are a heavy burden on the switching means of the coupling circuit, which must be taken into account in the prior art with a most costly design of the switching means of the coupling circuit.
- a drive battery for the n-phase operation of an electric motor, which comprises at least 2 * n battery strings, each battery string having a plurality of battery cells connected in series, and wherein at least one battery cell per battery string controlling one of the respective battery cell coupling circuit to the respective battery stringgirschaltbar and of the respective
- each battery string can be connected to one of 2 * n pole windings of an n-phase electric motor, where n 6 N + and n> 1.
- n 6 N + and n> 1 According to the invention, of the at least 2 * n
- Battery strings each two formed by driving the coupling circuits of their respective battery cells to an always phase-synchronous
- two are each formed by the phase-synchronous switching-on or the phase-synchronous decoupling of their respective battery cells, which are always phase-synchronous
- Battery strings are available so that the current per battery string in the Halved compared to the prior art or even further reduced.
- the coupling circuits, or the switching means of the coupling circuits, which are used for the addition or decoupling of the battery cells greatly relieved.
- the built-switching means can be dimensioned smaller from the outset, which has a positive effect on a possibly provided switching relief or positive effect on the avalanche resistance of the switching means.
- each battery cell of the drive battery is preferably connectable to its respective battery string by driving a coupling circuit belonging to the respective battery cell and from its respective battery string
- the AC voltage that can be generated by a battery string can be set more accurately.
- At least one of the battery cells per battery string has a monitoring circuit which is in each case designed to monitor at least one state parameter of its respective battery cell. Further preferably, the monitoring circuit is adapted to one of
- the at least one state parameter is the battery cell voltage and / or the temperature and / or the state of charge of the respective battery cell. This can ensure that the provided with monitoring circuits battery cells of the drive batteries always in the prescribed
- the coupling circuits each have at least one
- Switching means which is each designed to carry a maximum of a current which does not exceed a value of m / n amperes, where m € [300 A; 1000 A] and where n corresponds to the number of phases with which the electric motor connectable to the drive battery can be operated and where n 6 N + and n> 1.
- m 480 A.
- m 300 A.
- m 1000 A.
- the switching means can be realized particularly inexpensively.
- Switching means designed as power semiconductors. Power semiconductors are relatively cheap and have a long service life. They can be operated with a high switching frequency and have only low losses.
- the switching means are designed as MOSFETs. MOSFETs are inexpensive and very compact, that is, in a high integration density feasible. Furthermore, MOSFETs have fast switching time as well as stable amplification and response times.
- the drive battery is a
- the drive battery Lithium Ion Battery. Further preferably, the drive battery
- lithium-ion batteries or lithium-ion battery cells are not subject to memory effect.
- a drive system which comprises a drive battery according to the invention and an n-phase operable
- Electric motor comprising at least as many terminals and with these electrically conductive connected pole windings, as the
- Drive battery has battery strings.
- a battery string of the drive battery according to the invention is electrically conductively connected via in each case one of the terminals of the electric motor with exactly one pole winding of the electric motor. Furthermore, the electric motor is connected through it
- n that is the number of different phases of the
- the drive battery of a drive system with a 3-phase electric motor preferably comprises at least six battery strings, two of which are operated in phase synchronization, so that the alternating voltages generated by two battery strings always have the same phase.
- Such drive systems have a longer life than the drive systems of the prior art and are also
- the n-phase operable electric motor 2 * n pole windings of which two are each adapted to an operation of the
- Electric motor to be charged with a mutually phase-synchronous AC voltage and where n 6 N + and n> 1.
- such an electric motor is adapted to be operated by a drive battery according to the invention in a drive system according to the invention.
- a method for operating a drive system which comprises a drive system according to the invention.
- the method comprises the following method step: driving the coupling circuits of
- Coupling circuits of two of the 2 * n battery strings are controlled in phase.
- Coupling circuits of the controllable battery cells of the 2 * n battery strings driven so that 2 * n AC voltages are generated, of which n have a different phase to each other, so each two battery strings generate a phase-synchronous AC voltage. In other words, in each case two battery strings are driven synchronously in the same way.
- FIG. 1 shows an embodiment of a drive system according to the invention with a drive battery according to the invention.
- the drive battery 60 has in this exemplary embodiment, by way of example only, six battery strings 40, each battery string 40 having a multiplicity of battery cells 30 connected in series. In this embodiment, purely by way of example, all the battery cells 30 are each controllable
- Coupling circuit 7, via which the battery cells 30 are each connected or interconnected with their respective battery strings 40, to their respective battery strings 40 are each connected or interconnected with their respective battery strings 40, to their respective battery strings 40.
- the driveable to the addition or decoupling of the battery cells 30 are
- Coupling circuits 7 executed in this embodiment as full bridges.
- other drive batteries 60 or drive systems 70 to be designed, in which the coupling circuits 7 are designed, for example, as half-bridges or as entirely different circuits.
- drive batteries 60 according to the invention can be realized, in which not all battery cells 30 can be decoupled from the battery strings 40 or connected to the battery strings 40. Of the multiplicity of battery cells 30, only two are shown in FIG. 1 per battery string 40, while a remaining number of battery cells 30 per battery string 40 is indicated by a respective dotted line.
- Battery strings 40 of the drive battery 60 is one of in this Embodiment of the drive system 70 six pole windings of a 3-phase operable electric motor 50 electrically conductively connected. Of the six battery strings 40 are each two by controlling the
- Coupling circuits 7 of their respective battery cells 30 designed to generate an always phase-synchronous AC voltage.
- a total of six battery voltages 40 each assignable AC voltages can be generated, of which two are mutually phase synchronous.
- each of the battery cells 30 has a monitoring circuit or a monitoring circuit is assigned to each battery cell 30 (not shown), which in this exemplary embodiment is designed in each case purely by way of example
- Monitoring circuits can be realized, which are designed to monitor other state parameters than those mentioned above.
- the coupling circuits 7 of the drive battery 60 which are designed purely by way of example as full bridges, each have four
- Switching means 1 which are formed in this embodiment each purely by way of example to lead a maximum of a current which does not exceed a value of 480/3 amps, ie 160 A.
- those installed in the coupling circuits 7 of the drive battery 60 are formed in this embodiment each purely by way of example to lead a maximum of a current which does not exceed a value of 480/3 amps, ie 160 A.
- Switching means 1 each only designed to be traversed by a current which does not exceed a value of 160 A. If the current flowing through the switching means 1 of the coupling circuits 7 of the drive battery 60 exceeds this value, the switching means 1 of the coupling circuits 7 can be used
- the switching means 1 are in this embodiment, purely by way of example as a power semiconductor, described in more detail, designed as MOSFETs.
- coupling circuits 7 according to the invention may also be designed with switching means 1, which are not power semiconductors and not MOSFETs or other power semiconductor switches.
- each individual one of the plurality of battery cells 30 can be connected via a respective coupling circuit 7 to one respective battery string 40 or can be decoupled from the respective battery string 40.
- drive batteries 60 according to the invention in which a plurality of battery cells 30, for example entire battery modules, can be connected to a battery string 40 via a respective coupling circuit 7 or decoupled from this.
- the drive system 70 described in this exemplary embodiment comprises, purely by way of example, the drive battery 60 described above, as well as one purely exemplary in this exemplary embodiment
- Three-phase operable electric motor 50 which has the same number of terminals 51 and with these electrically conductive connected pole windings (not shown), as the drive battery 60 battery strings 40, ie in this
- Embodiment purely exemplary six In each case one of the battery strings 40 of the drive battery 60 is in each case via one of the terminals 51 of the
- Electric motor 50 electrically connected to exactly one pole winding of the electric motor 50.
- the electric motor 50 is operable by the drive battery 60 connected to it. It can also according to the invention
- Drive systems 70 can be realized, which other electric motors 50, for example, 2- or 4-phase operable electric motors 50 have.
- Drive systems 60 provided drive batteries 60 then according to the invention each have at least twice as many battery strings 40, so at two-phase operable electric motors 50 at least four and at
- 4- phase operable electric motors 50 at least eight battery strings 40 on. Of these battery strings 40 are then each two by the addition or decoupling of the battery strings 40 associated battery cells 30 phase synchronous, ie operated with the same phase.
- the battery strings 40 are designed to generate alternating voltages which are phase-synchronous with one another.
- the alternating voltages that can be generated by two battery strings 40 are each phase-synchronized with each other.
- the three-phase operable electric motor 50 has exactly six pole windings, two of which are each designed to be acted upon by an operation of the electric motor 50 with a mutually phase-synchronous AC voltage.
- the 3-phase operable electric motor 50 is configured so that it can be driven by the drive battery 60 according to the invention, which has six battery strings 40.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013208583.4A DE102013208583A1 (de) | 2013-05-08 | 2013-05-08 | Antriebsbatterie für den n-phasigen Betrieb eines Elektromotors sowie ein Antriebssystem und ein Verfahren zum Betrieb des Antriebssystems |
| PCT/EP2014/059341 WO2014180906A2 (de) | 2013-05-08 | 2014-05-07 | Antriebsbatterie für den n-phasigen betrieb eines elektromotors sowie ein antriebssystem und ein verfahren zum betrieb des antriebssystems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2994995A2 true EP2994995A2 (de) | 2016-03-16 |
Family
ID=50687476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14723050.2A Withdrawn EP2994995A2 (de) | 2013-05-08 | 2014-05-07 | Antriebsbatterie für den n-phasigen betrieb eines elektromotors sowie ein antriebssystem und ein verfahren zum betrieb des antriebssystems |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20160118922A1 (de) |
| EP (1) | EP2994995A2 (de) |
| CN (1) | CN105228853A (de) |
| DE (1) | DE102013208583A1 (de) |
| WO (1) | WO2014180906A2 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016106359A1 (de) * | 2016-04-07 | 2017-10-12 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Modul für einen Multilevelkonverter |
| GB2550601B (en) | 2016-05-24 | 2019-06-12 | Sevcon Ltd | Methods and apparatus for the provision of AC power |
| DE102016120589A1 (de) * | 2016-10-27 | 2018-05-03 | Pierburg Gmbh | Antriebssystem für ein Kraftfahrzeug |
| DE102017207944A1 (de) | 2017-05-11 | 2018-11-15 | Audi Ag | Batterievorrichtung mit zumindest einem Modulstrang, in welchem Moduleinheiten in einer Reihe hintereinander verschaltet sind, sowie Kraftfahrzeug und Betriebsverfahren für die Batterievorrichtung |
| DE102018206096A1 (de) * | 2018-04-20 | 2019-10-24 | Audi Ag | Batteriesystem und Verfahren zum Betreiben eines Batteriesystems |
| DE102020101990A1 (de) * | 2020-01-28 | 2021-07-29 | Aesculap Ag | Multi Betriebsspannungsmotor |
| GB202003398D0 (en) * | 2020-03-09 | 2020-04-22 | Deregallera Holdings Ltd | Electric motor system |
| WO2022109581A1 (en) * | 2020-11-18 | 2022-05-27 | Blue Volta Technology Inc. | Powertrain for an electric vehicle comprising a scalable and manageable energy storage system |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11155241A (ja) * | 1997-11-21 | 1999-06-08 | Hitachi Ltd | 組電池充電電流制御回路および組電池充電方法 |
| JP2008510130A (ja) * | 2004-08-13 | 2008-04-03 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ソリッドステート検出器パッケージングの技術 |
| US7573234B1 (en) * | 2005-11-28 | 2009-08-11 | Quallion Llc | System having electronics for dropping current of battery pack |
| DE102006028925A1 (de) * | 2006-06-23 | 2007-12-27 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Steuerung und/oder Regelung eines Generators in einem Fahrzeug |
| JP4587233B2 (ja) * | 2007-10-23 | 2010-11-24 | 本田技研工業株式会社 | 放電制御装置 |
| US8957610B2 (en) * | 2009-07-02 | 2015-02-17 | Chong Uk Lee | Multi-port reconfigurable battery |
| DE102009028973A1 (de) * | 2009-08-28 | 2011-03-03 | Robert Bosch Gmbh | DC/DC-Wandlerschaltung und Batteriesystem |
| US8884582B2 (en) * | 2010-10-19 | 2014-11-11 | Alte Powertrain Technologies, Inc. | Battery management system utilizing stackable batteries |
| DE102010064325A1 (de) * | 2010-12-29 | 2012-07-05 | Robert Bosch Gmbh | System mit einer elektrischen Maschine |
| DE102011003810A1 (de) * | 2011-02-08 | 2012-08-09 | Robert Bosch Gmbh | Steuerbarer Energiespeicher und Verfahren zum Betreiben eines steuerbaren Energiespeichers |
| FR2972306A1 (fr) * | 2011-03-02 | 2012-09-07 | Commissariat Energie Atomique | Batterie avec gestion individuelle des cellules |
| WO2012159668A1 (en) * | 2011-05-24 | 2012-11-29 | Abb Technology Ag | Inrush current control in a cell-based voltage source converter |
| DE102011076571A1 (de) * | 2011-05-27 | 2012-11-29 | Robert Bosch Gmbh | Energieversorgungseinrichtung für Wechselrichterschaltungen |
| JP5775935B2 (ja) * | 2011-10-20 | 2015-09-09 | 日立オートモティブシステムズ株式会社 | 電池システムの監視装置およびこれを備えた蓄電装置 |
| JP5797776B2 (ja) * | 2011-12-28 | 2015-10-21 | 川崎重工業株式会社 | 電動二輪車及びその制御装置の動作方法 |
| CN103998282B (zh) * | 2011-12-28 | 2016-06-22 | 川崎重工业株式会社 | 电动式交通工具及其控制装置的工作方法 |
| US9496749B2 (en) * | 2012-03-23 | 2016-11-15 | Hitachi Automotive Systems, Ltd. | Storage battery control device and electrical storage device |
| DE102012210596A1 (de) * | 2012-06-22 | 2013-12-24 | Robert Bosch Gmbh | Sicherheitskonzept für Batterien |
| DE102012220549A1 (de) * | 2012-11-12 | 2014-05-15 | Siemens Aktiengesellschaft | Elektro-Transportmittel, zugehöriges Verfahren und zugehöriger Akkumulator |
| KR102201102B1 (ko) * | 2013-03-15 | 2021-01-12 | 디자인 플럭스 테크놀로지스, 엘엘씨 | 동적으로 재구성가능한 에너지 스토리지 장치를 생성하기 위한 방법 및 장치 |
-
2013
- 2013-05-08 DE DE102013208583.4A patent/DE102013208583A1/de not_active Withdrawn
-
2014
- 2014-05-07 EP EP14723050.2A patent/EP2994995A2/de not_active Withdrawn
- 2014-05-07 US US14/889,375 patent/US20160118922A1/en not_active Abandoned
- 2014-05-07 CN CN201480026155.0A patent/CN105228853A/zh active Pending
- 2014-05-07 WO PCT/EP2014/059341 patent/WO2014180906A2/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013208583A1 (de) | 2014-11-13 |
| WO2014180906A2 (de) | 2014-11-13 |
| US20160118922A1 (en) | 2016-04-28 |
| WO2014180906A3 (de) | 2015-08-13 |
| CN105228853A (zh) | 2016-01-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2619842B1 (de) | Energieversorgungsnetz und verfahren zum laden mindestens einer als energiespeicher für einen gleichspannungszwischenkreis dienenden energiespeicherzelle in einem energieversorgungsnetz | |
| EP2994995A2 (de) | Antriebsbatterie für den n-phasigen betrieb eines elektromotors sowie ein antriebssystem und ein verfahren zum betrieb des antriebssystems | |
| EP2831946B1 (de) | Verfahren zum aufheizen von energiespeicherzellen einer energiespeichereinrichtung und aufheizbare energiespeichereinrichtung | |
| EP2673860B1 (de) | Laden eines energiespeichers | |
| DE102018003642B4 (de) | Modulare Wechselrichter mit Batterien als Energiespeicher für dreiphasige Elektromotoren | |
| EP2673160B1 (de) | System zum laden eines energiespeichers und verfahren zum betrieb des ladesystems | |
| DE102012205109B4 (de) | Verfahren zum Betreiben einer Energiespeichereinrichtung, Energiespeichereinrichtung zum Erzeugen einer Versorgungsspannung für eine elektrische Maschine sowie Sytem mit einer Energiespeichereinrichtung | |
| EP2619874B1 (de) | System zum laden eines energiespeichers und verfahren zum betrieb des ladesystems | |
| EP3562701A1 (de) | Niedervoltauskopplung aus einem modularen energiespeicher-umrichtersystem | |
| WO2013091951A2 (de) | System und verfahren zum laden der energiespeicherzellen einer energiespeichereinrichtung | |
| EP3496259A1 (de) | Elektrisches umrichtersystem | |
| DE102014223227A1 (de) | Antriebseinrichtung und Verfahren zum Betrieb einer Antriebseinrichtung | |
| DE102013202652A1 (de) | Ladeschaltung für eine Energiespeichereinrichtung und Verfahren zum Laden einer Energiespeichereinrichtung | |
| DE102010064317A1 (de) | System zur Ankopplung mindestens einer Gleichstromquelle an einen steuerbaren Energiespeicher und zugehöriges Betriebsverfahren | |
| WO2013107567A2 (de) | Kraftfahrzeug, batterie und verfahren zum steuern einer batterie | |
| DE102015225574A1 (de) | Verfahren und Vorrichtung zum Laden einer Batterie | |
| WO2012038176A2 (de) | System zum laden eines energiespeichers und verfahren zum betrieb des ladesystems | |
| WO2014127871A2 (de) | Interne energieversorgung von energiespeichermodulen für eine energiespeichereinrichtung und energiespeichereinrichtung mit solchem | |
| WO2013072107A1 (de) | Energiespeichereinrichtung, system mit energiespeichereinrichtung und verfahren zum ansteuern einer energiespeichereinrichtung | |
| WO2014154495A1 (de) | Energiespeichereinrichtung und system mit einer energiespeichereinrichtung | |
| WO2012107148A1 (de) | System zum laden eines energiespeichers und verfahren zum betrieb des ladesystems | |
| WO2012038210A2 (de) | Energieversorgungsnetz und verfahren zum laden mindestens einer als energiespeicher für einen gleichspannungszwischenkreis dienenden energiespeicherzelle in einem energieversorgungsnetz | |
| DE102010027856B4 (de) | Batterie mit integriertem Pulswechselrichter | |
| DE102010042718A1 (de) | Verfahren zur Steuerung einer Batterie mit variabler Ausgangsspannung | |
| DE102015208568B4 (de) | Bordnetz-Schaltmodul, Bordnetzunterstützungseinrichtung und Bordnetzzweig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| AX | Request for extension of the european patent |
Extension state: BA ME |
|
| 17P | Request for examination filed |
Effective date: 20160215 |
|
| RBV | Designated contracting states (corrected) |
Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| DAX | Request for extension of the european patent (deleted) | ||
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20181201 |