EP3732073A1 - Station de charge destinée à charger des véhicules électriques avec mesure d'énergie distribuée ainsi que procédé - Google Patents

Station de charge destinée à charger des véhicules électriques avec mesure d'énergie distribuée ainsi que procédé

Info

Publication number
EP3732073A1
EP3732073A1 EP19704254.2A EP19704254A EP3732073A1 EP 3732073 A1 EP3732073 A1 EP 3732073A1 EP 19704254 A EP19704254 A EP 19704254A EP 3732073 A1 EP3732073 A1 EP 3732073A1
Authority
EP
European Patent Office
Prior art keywords
charging
energy
rectifier
charging station
points
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.)
Pending
Application number
EP19704254.2A
Other languages
German (de)
English (en)
Inventor
Sebastian Bode
Jörg Heuer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP3732073A1 publication Critical patent/EP3732073A1/fr
Pending legal-status Critical Current

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
    • 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
    • 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
    • B60L53/30—Constructional details of charging stations
    • 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for 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
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/65—Monitoring or controlling charging stations involving identification of vehicles or their battery types
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • B60L53/66—Data transfer between charging stations and vehicles
    • B60L53/665—Methods related to measuring, billing or payment
    • 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
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • 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
    • H02J1/00—Circuit arrangements for DC mains or DC distribution networks
    • H02J1/06—Two-wire DC power distribution systems
    • 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
    • H02J7/02—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—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
    • H02J7/02—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • H02J7/04—Regulation of charging current or voltage
    • 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
    • H02J7/40—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the exchange of charge or discharge related data
    • 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
    • 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
    • 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
    • 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
    • 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
    • Y02T90/16—Information or communication technologies improving the operation of electric 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
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Definitions

  • the present invention relates to a charging station for charging electric vehicles comprising at least two charging points, which are each connected to an electric vehicle for charging a elec- tric energy storage of the electric vehicle.
  • the charging station comprises at least two rectifier branches for respectively providing electrical energy, wherein the rectifier branches are electrically connected to the charging points and the electrical connection between at least one of the rectifier branches and the La deyaken is reversible.
  • the charging station comprises at least one energy meter for providing counter values which describe the electrical energy provided by the rectifier branches.
  • the present invention relates to a method of operating a charging station for charging electric vehicles.
  • the interest here is directed to charging stations for charging electric vehicles and in particular to so-called fast charging stations.
  • fast charging stations for electric vehicles it is customary to design them such that there is a central station and several optionally te des th charging points. With these charging points, the Elekt can be connected electric vehicles to load an electric energy storage of the electric vehicle.
  • the individual compo nents in the central station are not necessarily assigned to a specific charging point, but are dynamically assigned to the charging points if possible.
  • the utilization of high-priced components can be increased and the required number of identical components reduced (utilization of the simultaneity factor).
  • the dynamics caused on the vehicle side is particularly strong over time.
  • maximum charging currents due to the properties of the built-in electric vehicles energy storage or accumulators can be achieved only for relatively short times. Furthermore, it can be observed that there is a relatively wide variance of electric vehicles and their charging profile, which can not be readily subdivided into defined classes. Finally, the maximum charging current depends among other things on parameters such as the battery temperature, which can not be assumed to be constant.
  • the charging stations or fast charging stations comprise appropriate rectifier branches, with which an AC side AC voltage or an AC current can be converted into an output DC voltage or a DC current.
  • An output-side DC measurement of the electrical energy output zwangswei se leads to the fact that the meters must be designed for the entire dynamic range catch. Not only is the current highly dynamic, but also the output voltage is variable. This is due to power losses and due to different battery voltages. The consideration of the error propagation of two mutually multiplier ter sizes has a particularly unfortunate. In addition, further difficulties in the measurement, for example by Rippelströme.
  • An alternative to the output-side measurement is the one-sided AC measurement.
  • On the input side at least the voltage is less variable.
  • the dynamic range of the current can then be limited by the use of multiple counters and the allocation of the counters to the rectifier branches.
  • each rectifier branch can each have its own counter. If n rectifier branches are required to provide the full rated output, each counter must be designed for only the nth part of the dynamic range.
  • the charging station usually includes corresponding energy meter, with which counter values are provided, wel che describe the electrical energy output with the rectifier branches. Since the counter values recorded by the energy meters are billing-relevant, it must be ensured that an assignment to a customer or electric vehicle is possible. However, this requirement he has for several reasons as technically Schwiering rig.
  • measuring instruments for the procurement of electrical energy are usually used to determine (multi) annual consumption of whole households, whereby random errors of successive measuring periods compensate each other in time (usually the same customer).
  • the fast charging infrastructure is currently being set up in higher capacity classes. Previous approaches to energy only meet reduced requirements with regard to tamper-proofing and traceability of the measurement. However, it is to be expected that higher requirements will be required as part of the conformity assessments of the fast-charging infrastructure and that statutory transitional periods will not be extended.
  • a charging station is used for charging Elekt ro Vietnameseen.
  • the charging station comprises at least two charging points, which are each connectable to an electric vehicle for charging an electrical energy storage of the electric vehicle.
  • the charging station comprises at least two rectifier branches for respectively providing electrical shear energy, the rectifier branches with the charging points are electrically connected and the electrical connection between at least one of the rectifier branches and the charging points is switchable.
  • the charging station comprises at least one energy meter for Stel sources of counter values, which describe the electrical energy provided with the rectifier branches.
  • the charging station summarizes at least one Meßwerter writtensrech ner, which is adapted to determine based on the counter values of the at least one energy meter for each of the charging points an amount of energy with the rectifier branches, which are electrically connected to the charging point, provided electrical energy.
  • the charging station comprises the at least two charging points to which electric vehicles can be charged.
  • the term "electric vehicle” is understood to mean an electrically driven vehicle such as an electric drive or an electric motor which is supplied with electrical energy from the electric energy storage device
  • Corresponding sockets and / or plugs may be provided at the respective charging points in order to be able to produce an electrical connection to a charging connection of the electric vehicle
  • an alternating voltage and / or an alternating current can be converted into a direct current voltage and / or a direct current for charging electric vehicles
  • a rectifier can be used in the respective rectifier branches be provided ter. It can also be provided that a corresponding DC voltage converter is connected downstream of this rectifier.
  • the charging station is designed as a so-called fast charging station.
  • the charging station comprises two charging points and two rectifier branches.
  • at least one of the rectifier branches can be electrically connected either to the first charging point or to the second charging point. So it can, for example, depending on the load request to the respective charging points to switch the rectifier branches on the respective Ladepunk te done.
  • the charging station has a plurality of rectifier branches and a plurality of charging points.
  • at least some of the rectifier branches can be electrically connected to any desired predetermined charging points.
  • the charging station comprises at least one energy meter with which the electrical energy gie, which is provided with the rectifier branches, can be determined.
  • the energy meter is preferably a calibratable or calibrated meter.
  • the charging station has a plurality of energy meters. In particular, an energy meter is assigned to each of the rectifier branches.
  • the charging station has the at least one measured value acquisition computer.
  • This Meßwerterfas sungsrechner which has in particular a corresponding Rechenein direction or a microcontroller is connected to the at least one energy meter for REMtra supply.
  • the counter values can be transmitted from the energy meter to the data acquisition computer who the.
  • the measured value acquisition computer it is thus possible for each of the charging points to determine the amount of energy that is connected to the rectifier branches that are connected to this charging point.
  • the switching of the at least one rectifier terzweigs and the charging points to the detection of the energy quantity can be coupled.
  • the detection of the energy supplied to the respective charging points is ensured in a manner which enables unambiguous assignment of the energy quantity detected by the at least one energy meter to an electric vehicle with dynamic allocation of the rectifier branches. Overall, it is therefore possible to improve the utilization of the charging station and to reduce the investment costs and space requirements accordingly.
  • the at least one measured-value acquisition computer is designed to determine a vehicle identification of the electric vehicle during charging of the electrical energy storage device of the electric vehicle and to determine the amount of energy provided at the charge point during the charging of the electric energy storage device. If the electric vehicle is nem the charging points is electrically connected, a ent speaking vehicle identification, which writes the electric vehicle be, be transferred to the charging station and thus to the Meßwerterfas sungsrechner. In this case, it is preferably provided that it is detected by means of the measured value acquisition computer whether and for what period of time the electrical connection between the charging station and the electric vehicle is present. With the metering calculator, the charge amount can be determined from the meter readings of the amount of energy supplied to the rectifier arms connected to the charging point.
  • the amount of energy that is transmitted in the connection of the electric vehicle with the charging point to the electric vehicle or its energy storage can be precisely determined.
  • the vehicle identification can be detected when the user be relationship as the vehicle is changed at the charging point.
  • it can be recognized whether the user of the electric vehicle veugs the charging point changes, so the electric vehicle moves from egg nem charging point to the other and there continues the charging process. In this way, an unnoticed manipulation can be excluded.
  • the at least one measured value acquisition computer is designed to detect a switching over of the connection between the at least one rectifier branch and the charging points.
  • the Meßwerterfas sungsrechner thus detects at each switching of the rectifier branches the current counter values of the continuously running energy meter and assigns them or the differences of successive values of the Anlagenken voltage to.
  • the respective rectifier branches can be electrically connected or switched over ent speaking switching devices or contactors with the charging points. It is provided in particular that such switching or pressing the Weg direction is detected using the Meßwerter shockedsrechners. It can also be provided that a point in time of the switching is stored with the aid of the measured value acquisition computer. is chert. This allows a reliable operation of the charging station and thus a precise detection of the amount of energy at the respective charging point.
  • the charging station has a charging sequence control unit for determining an electrical power required at the charging points and for controlling the connec tion between the Gleichrich branches and the charging points in dependence on the required power.
  • a charging sequence control unit for determining an electrical power required at the charging points and for controlling the connec tion between the Gleichrich branches and the charging points in dependence on the required power.
  • the charging system can already take into account the possibility of load distribution between the individual rectifier branches.
  • the charge control can be carried out so that rectifier branches, which are used only briefly cover the peak load, are subjected to a base load. This results in operation of the rectifier arms at a well predictable operating point and more even distribution of the measured amount of energy using at least one energy meter.
  • the charging station for each of the rectifier branches on an energy meter where in theticianereit with the respective energy meters meter counter values, the electrical energy from the energy meters meter is assigned, which is assigned to the rectifier branch.
  • the respective energy meters may be marketable measuring instruments, which are respectively calibratable or calibrated.
  • the energy meters can be used to determine the electrical voltage and the electrical current that are output by the respective rectifier branches. It can also be provided that with the respective energy meters, the electrical clamping voltage and the electrical current are determined, which are supplied to the respective rectifier branch from the power supply network. Using the respective energy meter For example, the electrical energy provided by the rectifier branches can be precisely determined.
  • the charging station has a measured value acquisition computer for each of the charging points, wherein the measured value acquisition computers are connected to the respective energy meters via a data bus. It is further provided that the charging station a plurality of
  • the charging station may have corresponding switching devices or contactors with which the respective electrical connection between the rectifier branches and the charging points can be provided.
  • the charging station may have electrical connection lines which are opened and closed by means of the switching devices. It is further provided that the respective energy meter are connected to the Meßwerter stampedsrechnern via the data bus. In this case, the data bus parallel to the electrical connection lines, via which the rectifier branches are connected to the charging points, are performed.
  • the respective switching devices or contactors can be a corresponding auxiliary contactor for the
  • the at least one measured value acquisition computer is connected to the respective energy measurement counter for data transmission, and the charging station has a plurality of switching devices for switching the electrical connection between the respective rectifier branches and the charging points, the at least one measurement acquisition computer being designed for this purpose is to detect a respective position of the switching devices.
  • the charging station can in the simplest case have a measured value acquisition computer. This measured value acquisition computer is connected via a corresponding data bus or via corresponding data lines to the energy measuring meters and can thus receive the counter values from the sensors.
  • the Meßwerter locallysrech ner information or switching information empfan conditions, which receive a current switching state of the respective switching devices or contactors, which serves to switch the electrical connection between the rectifier branches and the charging points.
  • the Meßwerter conductedsrechner can determine which of the rectifier branches are connected to which of the charging points.
  • the measured value acquisition computer can then also determine which amount of energy has been delivered by the respective rectifier branches during the switching position of the switching device. Also thus can be determined in a reliable manner, the points at the respective charge emitted amount of energy.
  • the at least one measured-value acquisition computer has an analog interface via which it is connected to the respective energy measurement counter. It is further provided that the at least one measured value acquisition computer has a summer for summing the counter values.
  • the respective energy meters can be read out via an analogue interface. With the respective energy meters, for example, an analog signal in the range between 4 mA and 20 mA can be output. With the help of the totalizer or Analogue sumers can then be added to measured values or numerical values. Thus, the respective amounts of energy that are taken at the respective charging points, can be determined in a precise manner here.
  • the charging station comprises, for each of the rectifier branches, a measuring transducer for providing a measured value which describes the electrical energy.
  • each of the charging point is associated with an energy meter, wherein the transducers are connected to the charging points with the energy meters in dependence on the connection of the rectifier branches and the respective energy meters are adapted to determine the counter values based on the measured values.
  • the measured value can be output in the form of an analog signal, wherein the measured value describes the electrical voltage and / or the electric current which is output with the respective rectifier branch.
  • the charging station has a plurality of switching devices with which the electrical connection between the rectifier branches and the charging points can be defined.
  • switching devices can be provided for separating and opening the electrical connec tion between the respective rectifier branches and the La deyaken. Furthermore, switching devices can be provided with which an electrical connection between the measuring transducers can be provided provided. For example, the switching devices for
  • Rectifier branch be formed.
  • the connection between the transducers can be provided a positively guided auxiliary contactor.
  • the transducers of these rectifier branches are electrically connected to each other.
  • these transducers are designed so that they can be connected one behind the other in series.
  • the transducers connected in series with the energy meter counter associated with the charging point are fed to this energy meter. Also in this way, each of the points of charge removed amount of energy can be determined in a precise manner.
  • un ferent variants are shown how the amount of energy at the respective charging points can be precisely determined. Since it is envisaged that market usual components are used within the charging station. To determine the amount of energy at the respective charging points additional hardware components are provided. Thus, the extension of the charging station for the determination of the amount of energy at the charging points in comparison to a software-technical Ausgestal direction traceable.
  • the at least one energy meter is designed to detect an electrical voltage and / or an electrical current which is supplied to the rectifier branch.
  • an AC measurement is carried out with the aid of the energy meter.
  • the at least one energy meter is designed to detect an electrical voltage and / or an electric current, which are output from the rectifier branches. It can therefore also be provided that a so-called DC measurement is performed.
  • An inventive method is used to operate a La destation for charging electric vehicles.
  • the method includes connecting an electric vehicle to one of at least two charging points for charging an electric energy storage of the electric vehicle.
  • the procedure a respective provision of electrical energy with at least two rectifier branches, wherein the rectifier branches are electrically connected to the charging points and the electrical connection of at least one of the rectifier two and the charging points can be switched.
  • the method comprises the provision of counter values which describe the electrical energy provided with the rectifier branches with at least one energy measurement counter. It is provided that with at least one measured value acquisition computer on the basis of the counter values of at least one energy meter for each of the charging points an amount of energy with the rectifier branches, which are electrically connected to the charging point, electrical energy provided.
  • FIG 1 shows a schematic representation of a charging station, which comprises two charging points and a plurality of rectifier branches;
  • FIG 2 respective amounts of energy with the respective
  • Rectifier branches are provided and a total amount of energy
  • FIG. 4 shows a schematic representation of a charging device according to a further embodiment
  • FIG. 5 shows a schematic representation of a charging device according to another embodiment.
  • the charging device 1 is used for charging electrical energy storage devices of electric vehicles or electrically driven vehicles.
  • the charging device comprises 1 charging points 2a, 2b, where the electric vehicles GE can be connected.
  • the charging station 1 comprises a first charging point 2a and a second charging point 2b. It can also be provided that the charging station 1 has at least three charging points 2a, 2b.
  • the charging station 1 comprises at least two rectifier branches 3a, 3b, 3c.
  • the charging station 1 summarizes a first rectifier branch 3a, a second rectifier branch 3b and a third rectifier branch 3c.
  • the respective rectifier branches 3a, 3b, 3c With the respective rectifier branches 3a, 3b, 3c, a three-phase AC voltage or an AC current can be converted into a DC voltage or a DC current. With this direct current then the electrical energy storage of electric vehicles can be charged to the respective charging points 2a, 2b.
  • the respective rectifier branches 3 a, 3 b, 3 c each comprise a rectifier 4.
  • the charging station 1 comprises at least one energy meter 5.
  • the charging station 4 comprises each of the rectifier branches 3a, 3b, 3c and an energy meter 5.
  • the respective rectifier terzweig 3a, 3b, 3c is supplied from the power grid.
  • 5 meter values can be provided with the respective energy meter, which describe this amount of energy.
  • the electrical connection between the charging points 2a, 2b, at least some of the rectifier branches 3a, 3b, 3c can be switched.
  • the third rectifier branch 3c is permanently connected to the second charging point 2b via electrical connection lines 6.
  • the second rectifier branch 3b can additionally be connected to the second charging point 2b.
  • the charging station 1 has a corresponding Weg device 7 and a contactor, by means of which the connection between the second rectifier arm 3b and the second charging point 2b can be switched.
  • the first rectifier arm 3a can be connected to either the first charging point 2a or the second charging point 2b.
  • a corresponding switching device 7 is provided. The switching states of the switching device 7 can be determined depending on the power requirement at the charging points 2a, 2b.
  • the charging station 1 comprises at least one measured value acquisition computer 8.
  • the charging station 1 summarizes two measured value acquisition computers 8, where at each of the charging points 2a, 2b, a measured value acquisition computer 8 is assigned.
  • the respective measured value acquisition computers 8 are connected via a data bus 9, for example an SO bus, to the respective energy meters 5 of the rectifier branches 3a, 3b, 3c.
  • the respective counter values determined with the energy meters 5 can be sent to the Data acquisition computer 8 are transmitted.
  • the respective switching devices 7 are formed such that they have an auxiliary contactor for switching the data bus 9 in addition to a contactor for switching the electrical connection lines 8. The auxiliary contactor is switched simultaneously with the contactor.
  • the Wegner branches 3a, 3b, 3c with the respective charging points 2a, 2b a related party the Wegeinrich lines 7 are accordingly controlled accordingly. This ensures that the energy meter 5 of the rectifier branch 3a, 3b, 3c is connected to the charging point 2a, 2b, is also connected to the measuring value acquisition computer 8.
  • the respective measured value acquisition computers 8 at the charging points 2a, 2b on the basis of the received counter values, the amount of energy that is provided at the respective charging points 2a, 2b can be detected.
  • FIG. 2 shows an example of respective quantities of energy Ei, E 2 , E 3 , which are provided with three rectifier branches 3 a , 3 b, 3 c, as a function of the time t.
  • the time t is plotted on the abscissa and the power P is plotted on the ordinate.
  • the amount of energy Ei is provided by the first rectifier arm 3a
  • the amount of energy E 2 is provided by the second rectifier arm 3b
  • the amount of energy E 3 is provided by the third rectifier arm 3c.
  • a total amount of energy E tot By means of a charging control control of the charging station, the total demand or the total amount of energy E tot can be determined and from this a load distribution for the respective rectifier branches 3a, 3b, 3c can be determined.
  • FIG. 3 shows the diagram according to FIG. 2 according to a further embodiment.
  • the respective meters of the energy meter 5 are detected by means of the at least one measured value acquisition counter 8.
  • corresponding times between which the energy can be provided with the rectifier branches 3a, 3b, 3c can be provided. will be saved.
  • a settlement On the basis of the amount of energy that was taken at the charging points 2a, 2b and the vehicle identification can then be carried out a settlement.
  • a change of an electric vehicle at one of the charging points 2a, 2b can be detected.
  • the amount of energy E E 3 is shown, which is delivered from the rectifier branch 3 c to a first electric vehicle. After the change at the charging point 2a, 2b, which is the rectifier branch 3c zugeord net, the amount of energy E 3 'delivered to another electric vehicle convincing.
  • FIG. 4 shows a schematic representation of a charging station 1 according to another embodiment.
  • This charging station 1 comprises two charging points 2a and 2b. Further, the charging station comprises three rectifier branches 3a, 3b and 3c. The respec conditions rectifier branches 3a, 3b, 3c each energy meter 5 is assigned.
  • the charging station 1 comprises only a single Meßwerter writtensrech ner 8. This is connected via an analog data line 10 to the energy meters 5.
  • These charging station 1 to summarizes corresponding switching devices 7 for switching the electrical connection lines 6 between rectifier branches 3a, 3b, 3c and the charging points 2a, 2b.
  • the measured-value acquisition computer 8 can furthermore receive switching information which describes a current switching position of the respective switching devices 7.
  • the measured value detection device 8 which describes which of the rectifier branches 3a, 3b, 3c are connected to which of the charging points 2a, 2b. To that can be determined with the measured value detection device 8 on the basis of the counter values that are received by the respective energy meters 5, the amount of energy toge each at the charging points 2a, 2b be determined. In this case, it is special provided that the measured value detection device 8 receives counter values via the analog data line 10. In the measured value detection device 8 can then be a
  • Analog summing be provided for summing the counter values.
  • the charging station 1 shows a charging station 1 according to a further Auspar approximately form in a schematic representation.
  • the charging station 1 summarizes two charging points 2a, 2b.
  • three rectifier branches 3a, 3b, 3c are provided.
  • each of the rectifier branches 3a, 3b, 3c a transducer 11 is associated.
  • the charging station 1 for each of the charging points 2a, 2b includes an energy meter 5.
  • a Weg device 7 is provided for switching the electrical connection lines 6.
  • the switching device 7 comprises the switches Q1 and Q2.
  • the respective transducers 11 are connected via corresponding switches K1 and K2 one behind the other and to the energy meters 5. If the switch Ql ge is closed, the switch Kl are closed.
  • the switch Q2 is closed, who also closes the switch K2.
  • the switch Q1 When the switch Q1 is closed, the first rectifier arm 3a and the second rectifier arm 3b are connected to the first charging point 2a.
  • the measuring transducer 11 of the rectifier branch 3 a By closing the switch K 1, the measuring transducer 11 of the rectifier branch 3 a is electrically connected to the measuring transducer 11 of the rectifier branch 3 b. Furthermore, who the two measuring transducers 11 electrically connected to the energy meter 5 of the charging point 2a. In this way, the amount of energy that will give Get at the first charging points 2a, using the energy meter 5, which is assigned to this La deddling 2a, can be determined in a precise manner.
  • the switching of the rectifier branches 3a, 3b, 3c to the detection of the amount of energy be coupled.
  • This mechanism is designed according to erfindungsge, so close an unnoticed manipulation is close.
  • the relevant energy meters 5 are verifiable verifiable measuring instruments.
  • the respective detection of the amount of energy is done by additional hardware components.
  • the detection of the respective amount of energy at the charging points 2a, 2b can be performed reliably and be easily understood accordingly.
  • the charging station according to the invention provides the possibility to improve the system utilization and the investment costs and to reduce the space requirement accordingly.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne une station de charge (1) destinée à charger des véhicules électriques, comprenant : au moins deux points de charge (2a, 2b) qui peuvent respectivement être reliés à un véhicule électrique en vue de charger un accumulateur d'énergie électrique du véhicule électrique, au moins deux branches de redresseur (3a, 3b, 3c) destinées à fournir respectivement de l'énergie électrique, les branches de redresseur (3a, 3b, 3c) pouvant être reliées électriquement aux points de charge (2a, 2b) et la liaison électrique entre au moins l'une des branches de redresseur (3a, 3b, 3c) et les points de charge (2a, 2b) étant inversible, au moins un compteur d'énergie (5) destiné à fournir des valeurs de comptage qui décrivent l'énergie électrique fournie par les branches de redresseur (3a, 3b, 3c). La station de charge (1) possède au moins un ordinateur d'acquisition de valeurs mesurées (8) qui est configuré pour déterminer, à l'aide des valeurs de comptage de l'au moins un compteur d'énergie (5) pour chacun des points de charge (2a, 2b), une quantité d'énergie de l'énergie électrique fournie par les branches de redresseur (3a, 3b, 3c) qui sont reliées électriquement au point de charge (2a, 2b).
EP19704254.2A 2018-02-14 2019-02-01 Station de charge destinée à charger des véhicules électriques avec mesure d'énergie distribuée ainsi que procédé Pending EP3732073A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018202259.3A DE102018202259B4 (de) 2018-02-14 2018-02-14 Ladestation zum Laden von Elektrofahrzeugen mit verteilter Energiemessung sowie Verfahren
PCT/EP2019/052481 WO2019158375A1 (fr) 2018-02-14 2019-02-01 Station de charge destinée à charger des véhicules électriques avec mesure d'énergie distribuée ainsi que procédé

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EP3732073A1 true EP3732073A1 (fr) 2020-11-04

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US (1) US11267356B2 (fr)
EP (1) EP3732073A1 (fr)
CN (1) CN111699105B (fr)
DE (1) DE102018202259B4 (fr)
WO (1) WO2019158375A1 (fr)

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US20200369170A1 (en) 2020-11-26
DE102018202259A1 (de) 2019-08-14
WO2019158375A1 (fr) 2019-08-22
US11267356B2 (en) 2022-03-08
DE102018202259B4 (de) 2024-12-05
CN111699105B (zh) 2023-10-03
CN111699105A (zh) 2020-09-22

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