DE102013211265A1 - An energy management device and method for controlling a charge - Google Patents
An energy management device and method for controlling a charge Download PDFInfo
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- DE102013211265A1 DE102013211265A1 DE102013211265.3A DE102013211265A DE102013211265A1 DE 102013211265 A1 DE102013211265 A1 DE 102013211265A1 DE 102013211265 A DE102013211265 A DE 102013211265A DE 102013211265 A1 DE102013211265 A1 DE 102013211265A1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
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- 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
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- 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
- B60L53/63—Monitoring or controlling charging stations in response to network capacity
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- 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
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- 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]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
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- 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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
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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)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Die vorliegende Erfindung schafft eine erweiterte Steuerung einer Ladestation für ein Elektrofahrzeug durch eine Energiemanagementvorrichtung. Hierzu erhält die Energiemanagementvorrichtung zunächst von der Ladestation Informationen über ein angeschlossenes Elektrofahrzeug und insbesondere über den Ladezustand dieses Elektrofahrzeuges. Die Energiemanagementvorrichtung erstellt daraufhin eine Parametrisierung für den Ladevorgang des Elektrofahrzeuges und übergibt diese Parametrisierung an die Ladestation. Somit kann einerseits der Ladevorgang eines Elektrofahrzeuges weiter optimiert werden und dabei gleichzeitig durch die Energiemanagementvorrichtung auch die Auslegungen auf ein angeschlossenes Energieversorgungsnetz oder ähnliches möglichst gering gehalten werden. The present invention provides an advanced control of a charging station for an electric vehicle by an energy management device. For this purpose, the energy management device initially receives information from the charging station about a connected electric vehicle and in particular about the state of charge of this electric vehicle. The energy management device then creates a parameterization for the charging process of the electric vehicle and transfers this parameterization to the charging station. Thus, on the one hand, the charging process of an electric vehicle can be further optimized and, at the same time, the designs on a connected energy supply network or the like can be kept as low as possible by the energy management device.
Description
Die vorliegende Erfindung betrifft eine Energiemanagementvorrichtung zur Steuerung eines Ladevorgangs zwischen einer Ladestation und einem Elektrofahrzeug, sowie ein Verfahren zur Steuerung eines Ladevorgangs zwischen einer Ladestation und einem Elektrofahrzeug. The present invention relates to an energy management device for controlling a charging operation between a charging station and an electric vehicle, and a method for controlling a charging operation between a charging station and an electric vehicle.
Elektrofahrzeuge gewinnen aktuell vermehrt an Bedeutung. Bei diesen Elektrofahrzeugen erfolgt der Antrieb vollständig oder zumindest teilweise mittels eines oder mehrerer Elektromotoren, die von einem elektrischen Energiespeicher, wie beispielsweise einer Batterie gespeist werden. Zum Aufladen des Energiespeichers des Elektrofahrzeuges muss das Elektrofahrzeug mit einer geeigneten Ladestation verbunden werden. Daraufhin entnimmt diese Ladestation einem angeschlossenen Energieversorgungsnetz elektrische Energie und lädt damit den Energiespeicher des Elektrofahrzeugs auf. Durch den vermehrten Einsatz von Elektrofahrzeugen ist zu erwarten, dass zukünftig die Belastung des Energieversorgungsnetzes durch Aufladevorgänge von Elektrofahrzeugen ebenfalls steigt. Insbesondere wenn mehrere Elektrofahrzeuge gleichzeitig an einer oder mehrere Ladestationen aufgeladen werden, die einen gemeinsamen Netzanschlusspunkt an das Energieversorgungsnetz aufweisen, kann es an diesem Netzanschlusspunkt aufgrund der hohen Ladeströme während des Aufladens der Energiespeicher zu starken Belastungen kommen. Während des Aufladens der Elektrofahrzeuge muss daher darauf geachtet werden, dass die zulässige Belastung des Energieversorgungsnetzes nicht überschritten wird. Electric vehicles are currently gaining more and more importance. In these electric vehicles, the drive is completely or at least partially by means of one or more electric motors, which are fed by an electrical energy storage, such as a battery. To charge the energy storage of the electric vehicle, the electric vehicle must be connected to a suitable charging station. Then this charging station removes electrical energy from a connected energy supply network and thus charges the energy store of the electric vehicle. Due to the increased use of electric vehicles, it is to be expected that in the future the load on the energy supply network will increase due to charging processes of electric vehicles. In particular, when several electric vehicles are charged simultaneously to one or more charging stations, which have a common grid connection point to the power grid, it can come at this grid connection point due to the high charging currents during charging of the energy storage to heavy loads. During the charging of the electric vehicles, care must therefore be taken that the permissible load on the power supply network is not exceeded.
Daher besteht ein Bedarf nach geeigneten Energiemanagementsystemen, die in der Lage sind, die Ladevorgänge von Elektrofahrzeugen zu koordinieren, wenn eine oder mehrere Ladestationen an eine lokales Energieversorgungsnetz oder die Energieversorgung eines Gebäudes angeschlossen sind. Werden die Ladestationen der Elektrofahrzeuge dabei an der Energieversorgung eines Gebäude angeschlossen, so ist für die Steuerung der Ladevorgänge ein sogenanntes Gebäudeenergiemanagementsystem (Building Energy Manager, BEM) verantwortlich. Ein solches BEM berücksichtigt dabei die Netzqualität des Energieversorgungsnetzes am Übergabepunkt zu dem Gebäude, die Begrenzung der maximalen Leistung, die am Übergabepunkt aus dem Energieversorgungsnetz entnommen werden kann, sowie weitere Beschränkungen durch Dimensionierung von Leitungen und gegebenenfalls Transformatoren oder ähnlichem. Weiterhin kann ein solches BEM den Ladevorgang dahingehend optimieren, dass möglichst geringe Kosten für die bezogene Energie entstehen, die Ladezeit optimiert wird oder Verluste der elektrischen Komponenten minimiert werden. Therefore, there is a need for suitable power management systems that are capable of coordinating charging of electric vehicles when one or more charging stations are connected to a local power grid or the power supply of a building. If the charging stations of the electric vehicles are thereby connected to the energy supply of a building, then a so-called building energy management system (BEM) is responsible for controlling the charging processes. Such a BEM takes into account the network quality of the power grid at the transfer point to the building, the limitation of the maximum power that can be taken from the power grid at the transfer point, as well as further restrictions by dimensioning of lines and possibly transformers or the like. Furthermore, such a BEM can optimize the charging process in such a way that the lowest possible costs for the purchased energy arise, the charging time is optimized or losses of the electrical components are minimized.
Der Artikel
Während die Kommunikation zwischen Elektrofahrzeug und Ladestation beispielsweise durch den
Es besteht daher ein Bedarf nach einem Energiemanagementsystem, das eine Optimierung der Ladesteuerung an einer Ladestation für ein Elektrofahrzeug ermöglicht. There is therefore a need for an energy management system that enables optimization of charge control at a charging station for an electric vehicle.
Gemäß einem Aspekt schafft die vorliegende Erfindung hierzu eine Energiemanagementvorrichtung zur Steuerung eines Ladevorgangs zwischen einer Ladestation und einem Elektrofahrzeug mit einer Empfangsvorrichtung, die dazu ausgelegt ist, von der Ladestation Daten über den Ladezustand eines Energiespeichers des Elektrofahrzeugs zu empfangen; einer Steuervorrichtung, die dazu ausgelegt ist, basierend auf den empfangenen Daten über den Ladezustand des Energiespeichers des Elektrofahrzeugs Parameter zur Steuerung des Ladevorgangs zu berechnen; und eine Sendevorrichtung, die dazu ausgelegt ist, die berechneten Parameter zur Steuerung des Ladevorgangs an die Ladestation zu übertragen. In one aspect, the present invention provides an energy management device for controlling a charging process between a charging station and an electric vehicle having a receiving device configured to receive from the charging station data about the state of charge of an energy storage device of the electric vehicle; a control device configured to calculate parameters for controlling the charging operation based on the received data on the state of charge of the energy storage of the electric vehicle; and a transmitting device configured to transmit the calculated parameters for controlling the charging process to the charging station.
Gemäß einem weiteren Aspekt schafft die vorliegende Erfindung ein Verfahren zur Steuerung eines Ladevorgangs zwischen einer Ladestation und einem Elektrofahrzeug mit den Schritten des Empfangens von Daten über den Ladezustand eines Energiespeichers des Elektrofahrzeugs von der Ladestation, des Berechnens von Parametern zur Steuerung des Ladevorgangs basierend auf den empfangenen Daten über den Ladezustand des Energiespeichers des Elektrofahrzeugs; und des Übertragens der berechneten Parametern zur Steuerung des Ladevorgangs an die Ladestation. In another aspect, the present invention provides a method for controlling a charging operation between a charging station and an electric vehicle, comprising the steps of receiving charging state information of an energy storage of the electric vehicle from the charging station, calculating charging control parameters based on the received charge Data on the state of charge of the energy storage of the electric vehicle; and transmitting the calculated parameters to control the charging process to the charging station.
Es ist eine Idee der vorliegenden Erfindung, die Informationen über den aktuellen Ladezustand eines Elektrofahrzeugs an eine separate Energiemanagementvorrichtung zu übertragen, in dieser Energiemanagementvorrichtung den Ladevorgang für das Elektrofahrzeug zu parametrisieren und daraufhin basierend auf den berechneten Parametern in der Ladestation einen optimierten Ladevorgang durchführen zu können. Hierzu werden die in der Ladestation von dem Elektrofahrzeug empfangenen Informationen über das angeschlossene Elektrofahrzeug an die Energiemanagementvorrichtung weitergegeben, ausgewertet und daraufhin die Parameter zum Aufladen des Elektrofahrzeugs an die Ladestation übertragen. It is an idea of the present invention to transmit the information about the current state of charge of an electric vehicle to a separate energy management device, in this Energy management device to parametrisieren the charging process for the electric vehicle and then based on the calculated parameters in the charging station to perform an optimized charging. For this purpose, the information received in the charging station from the electric vehicle via the connected electric vehicle is forwarded to the energy management device, evaluated and then transmitted the parameters for charging the electric vehicle to the charging station.
Durch die Optimierung der Ladeparameter in der Energiemanagementvorrichtung ist es somit möglich, den Ladevorgang für das Elektrofahrzeug an die erforderlichen Rahmenbedingungen bestmöglich anzupassen. Insbesondere kann somit eine Überlastung des Netzanschlusspunktes vermieden werden. Weiterhin kann basierend auf den vom Elektrofahrzeug erhaltenen Daten, sowie gegebenenfalls weiteren Vorgaben durch einen Benutzer, das Ladeverhalten durch die Ladestation angepasst werden. By optimizing the charging parameters in the energy management device, it is thus possible to optimally adapt the charging process for the electric vehicle to the required framework conditions. In particular, an overload of the network connection point can thus be avoided. Furthermore, based on the data obtained from the electric vehicle, and possibly further specifications by a user, the charging behavior can be adapted by the charging station.
Ein weiterer Vorteil besteht darin, dass durch die automatisierte Optimierung der Parameter für den Ladevorgang in der Energiemanagementvorrichtung ein Benutzer weitestgehend von erforderlichen Einstellvorgängen entlastet wird. Another advantage is that the automated optimization of the parameters for the charging process in the energy management device, a user is largely relieved of required adjustment operations.
Gemäß einer weiteren Ausführungsform umfassen die Daten über den Ladezustand des Energiespeichers in dem Elektrofahrzeug insbesondere Daten über den Ladezustand einer Batterie, die Kapazität der Batterie und/oder die von der Ladestation an das Elektrofahrzeug zu übertragene Energiemenge. According to a further embodiment, the data on the state of charge of the energy store in the electric vehicle in particular include data on the state of charge of a battery, the capacity of the battery and / or the energy to be transmitted from the charging station to the electric vehicle.
Durch diese Daten ist die Energiemanagementvorrichtung in der Lage, möglichst präzise den Energiebedarf und somit die Belastung eines angeschlossenen Energieversorgungsnetzes oder eines Netzübergabepunktes zu ermitteln. Insbesondere kann daher somit eine Überlastung der beteiligten Komponenten vermieden werden. Through this data, the energy management device is able to determine as precisely as possible the energy requirements and thus the load of a connected power supply network or a grid transfer point. In particular, an overload of the components involved can therefore be avoided.
Gemäß einer weiteren Ausführungsform umfassen die Parameter zur Steuerung des Ladevorgangs an der Ladestation mindestens einen Zeitpunkt für den Start des Ladevorgangs, eine Ladeleistung, einen Ladestrom und/oder eine zu kompensierende Scheinleistung. According to a further embodiment, the parameters for controlling the charging process at the charging station comprise at least one time for the start of the charging process, a charging power, a charging current and / or an apparent power to be compensated.
Ein Vorteil dieser Parametrisierung des Ladevorgangs besteht darin, dass eine Ladestation für ein Elektrofahrzeug so gesteuert werden, dass einerseits keine unzulässige Überlastung des Energienetzes oder eines Netzübergabepunktes erfolgt und andererseits der Ladevorgang gezielt gestartet werden kann, so dass der Energiespeicher des Elektrofahrzeuges möglichst zum gewünschten Zeitpunkt wiederum in der gewünschten Weise geladen ist. An advantage of this parameterization of the charging process is that a charging station for an electric vehicle is controlled so that on the one hand no inadmissible overloading of the power grid or a grid transfer point and on the other hand, the charging process can be targeted, so that the energy storage of the electric vehicle turn as desired at the desired time loaded in the desired manner.
Gemäß einer speziellen Ausführungsform ist die Empfangsvorrichtung der Energiemanagementvorrichtung ferner dazu ausgelegt, Messwerte über den zeitlichen Verlauf des Ladevorgangs, insbesondere Messwerte des Ladestroms, der Ladeleistung und/oder des Ladezustandes des Energiespeichers in dem Elektrofahrzeug von der Ladestation zu empfangen, und Befehle zur Steuerung der Ladeleistung oder der maximalen Ladeleistung im zeitlichen Verlaufs des Ladevorgangs des Energiespeichers in dem Elektrofahrzeug zu der Ladestation zu senden. According to a specific embodiment, the receiving device of the energy management device is further configured to receive measured values about the time course of the charging process, in particular measured values of the charging current, the charging power and / or the state of charge of the energy store in the electric vehicle from the charging station, and commands for controlling the charging power or the maximum charging power in the course of the charging of the energy storage in the electric vehicle to the charging station to send.
Vorteilhaft dabei ist, dass durch den Empfang der aktuellen Messwerte für den Ladevorgang die Energiemanagementvorrichtung in der Lage ist, den Ladevorgang präzise zu überwachen, den Fortschritt des Ladevorgangs zu analysieren und gegebenenfalls Störungen oder Überlastungen rechtzeitig zu erkennen und darauf zu reagieren. The advantage here is that by receiving the current measured values for the charging process, the energy management device is able to precisely monitor the charging process, to analyze the progress of the charging process and, if necessary, to detect malfunctions or overloads in good time and to react to them.
Gemäß einer weiteren Ausführungsform umfasst die Energiemanagementvorrichtung ferner eine Speichervorrichtung, die dazu ausgelegt ist, Daten über einen Ladevorgang abzuspeichern. According to a further embodiment, the energy management device further comprises a memory device which is designed to store data via a charging process.
Solche gespeicherten Daten stehen somit für eine spätere Auswertung zur Verfügung und können somit für zukünftige Parametrisierungsvorgänge mit einbezogen werden. Such stored data are thus available for later evaluation and can thus be included for future parameterization operations.
In einer speziellen Ausführungsform ist die Steuervorrichtung ferner dazu ausgelegt, die Parameter zur Steuerung basierend auf den gespeicherten Daten über einen Ladevorgang zu berechnen. In a specific embodiment, the control device is further configured to calculate the parameters for control based on the stored data via a charging process.
Auf diese Weise ist es vorteilhaft möglich, die Parametrisierung des Ladevorgangs sehr präzise anzupassen und insbesondere aus den vorherigen Ladevorgängen gewonnene Erkenntnisse mit in den Optimierungsvorgang einfließen zu lassen. In this way, it is advantageously possible to adjust the parameterization of the charging process very precisely and, in particular, to incorporate findings gained from the previous charging processes into the optimization process.
In einer weiteren speziellen Ausführungsform umfasst das Verfahren zur Steuerung eines Ladevorgangs ferner einen Schritt zum Aktualisieren der an die Ladestation übertragenen Parametern, nachdem der Ladevorgang des Elektrofahrzeuges begonnen hat. In another specific embodiment, the method for controlling a charging operation further comprises a step of updating the parameters transmitted to the charging station after the charging of the electric vehicle has started.
Ein Vorteil dabei ist, dass es auch nach dem Beginnen des Ladevorgangs jederzeit möglich ist, die Parameter des Ladevorgangs anzupassen und somit auf aktuelle Ereignisse, wie beispielsweise eine schwankende Belastung des Energieversorgungsnetzes oder ähnliches einzugreifen. An advantage here is that it is always possible, even after the start of the charging process, to adjust the parameters of the charging process and thus to intervene on current events, such as, for example, a fluctuating load on the energy supply network or the like.
In einer weiteren Ausführungsform werden die Parameter zur Steuerung des Ladevorgangs aktualisiert, wenn ein weiteres Elektrofahrzeug mit der Ladestation verbunden und/oder von der Ladestation abgekoppelt wird. In a further embodiment, the parameters for controlling the charging process are updated when another electric vehicle is connected to the charging station and / or decoupled from the charging station.
Somit kann der Ladevorgang aller angeschlossenen Elektrofahrzeuge an einer Ladestation auch bei kontinuierlichem Wechsel stets effizient angepasst werden. Thus, the charging process of all connected electric vehicles can be adapted to a charging station, even with continuous change always efficient.
In einer weiteren Ausführungsform werden Daten über den Ladezustand eines an die Ladestation angeschlossenen Elektrofahrzeuges empfangen. In a further embodiment, data is received on the state of charge of an electric vehicle connected to the charging station.
In einer weiteren Ausführungsform umfassen die berechneten Parameter zur Steuerung des Ladevorgangs einen Zeitpunkt für den Start des Ladevorgangs, eine Ladeleistung, einen Ladestrom und/oder eine zu kompensierende Scheinleistung. In a further embodiment, the calculated parameters for controlling the charging process include a time for the start of the charging process, a charging power, a charging current and / or an apparent power to be compensated.
In einer weiteren Ausführungsform werden Daten über den aktuellen Ladezustand einer Batterie und/oder Daten über eine maximale Batteriekapazität empfangen und in dem Schritt zum Berechnen von Parametern zur Steuerung des Ladevorgangs eine von der Ladestation an das Elektrofahrzeug zu übertragenden Energiemenge und eine Zeitdauer für das Laden des Elektrofahrzeuges berechnet; und in dem Schritt zum Übertragen der berechneten Parameter Daten über den von der Ladestation zu wählenden Anfangszeitpunkt des Ladevorgangs und/oder die maximale Ladeleistung und die berechnete Zeitdauer für das Laden an die Ladestation übertragen. In another embodiment, data about the current state of charge of a battery and / or data on a maximum battery capacity is received, and in the step of calculating parameters for controlling the charging process, an amount of energy to be transmitted from the charging station to the electric vehicle and a time period for charging the battery Electric vehicle charged; and in the step of transmitting the calculated parameters, transmitting data on the starting time of the charging operation to be selected by the charging station and / or the maximum charging power and the calculated charging period to the charging station.
In einer weiteren Ausführungsform wird in dem Schritt zum Berechnen von Parametern zur Steuerung des Ladevorgangs der Ladevorgang in eine Mehrzahl von Zeitintervallen unterteilt und für jedes Zeitintervall eine Ladeleistung bestimmt; und in dem Schritt zum Übertragen der berechneten Parameter für jedes Zeitintervall die berechneten Daten an die Ladestation übertragen. In a further embodiment, in the step of calculating parameters for controlling the charging process, the charging process is divided into a plurality of time intervals and a charging power is determined for each time interval; and in the step of transmitting the calculated parameters for each time interval, transmitting the calculated data to the charging station.
In einer weiteren Ausführungsform wird in dem Schritt zum Empfangen von Daten ein Zielwert für den Ladezustand empfangen und in dem Schritt zum Berechnen von Parametern zur Steuerung des Ladevorgangs die Parameter unter Verwendung des empfangenen Zielwerts für den Ladezustand berechnet. In another embodiment, in the step of receiving data, a target value for the state of charge is received, and in the step of calculating parameters for controlling the charging, the parameters are calculated using the received state value for the state of charge.
Weitere Ausführungsformen und Vorteile der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung unter Bezug auf die beigefügten Zeichnungen. Dabei zeigen: Further embodiments and advantages of the present invention will become apparent from the following description with reference to the accompanying drawings. Showing:
Auch eine Energieversorgung der Ladestation über einen zweiphasigen Niederspannungsanschluss (z.B. 230V) ist prinzipiell denkbar. A power supply of the charging station via a two-phase low-voltage connection (for example, 230 V) is also conceivable in principle.
Zum Aufladen der Energiespeicher des Elektrofahrzeuges ist das Elektrofahrzeug
Zusätzlich zur Energieübertragung von der Ladestation
Weiterhin ist die Ladestation
In einer alternativen Ausführungsform empfängt die Empfangsvorrichtung
In einer weiteren Alternative wird die von der Ladestation
Neben den zuvor angefühlten Parametern kann die Empfangsvorrichtung
Basierend auf den von der Empfangsvorrichtung
In diesem Zusammenhang sei darauf hingewiesen, dass das hier dargestellte Ladeprofil, wie auch alle weiteren Figuren nicht maßstabsgetreu dargestellt sind. Insbesondere ist der Zeitraum zwischen den Zeitpunkten t2 und t3, in dem das Elektrofahrzeug mit der maximalen Ladeleistung aufgeladen wird, relativ gesehen wesentlich größer als die zu Anschauungszwecken übertrieben lang dargestellten übrigen Zeitintervalle. In this context, it should be noted that the charging profile shown here, as well as all other figures are not drawn to scale. In particular, the period between the times t 2 and t 3 , in which the electric vehicle is charged with the maximum charging power, is relatively much larger in relative terms than the remaining time intervals, which are exaggerated for illustrative purposes.
In dem übrigen Zeitintervall wird in diesem Ausführungsbeispiel die Ladeleistung ganz oder zumindest annähernd zu Null eingestellt. In the remaining time interval, in this exemplary embodiment, the charging power is set to zero completely or at least approximately.
Für eine präzisere Annäherung des Ladeprofils an dem in
Nach Abschluss des Ladevorgangs sendet die Ladestation
Zur weiteren Optimierung des Ladevorgangs kann die Energiemanagementvorrichtung
Weiterhin ist es auch möglich, durch die Energiemanagementvorrichtung
Neben der einmaligen Ermittlung der Parameter zur Steuerung des Ladevorgangs und der darauf folgenden einmaligen Übertragung dieser berechneten Parameter an die Ladestation ist es darüber hinaus auch möglich, diese Parameter während des Ladevorgangs anzupassen und zu aktualisieren. Hierzu werden von er Energiemanagementvorrichtung
Aufgrund von wechselndem Angebot und Nachfrage innerhalb des Energieversorgungsnetzes ist es auch möglich, dass die Preise für den Bezug von elektrischer Energie aus dem Energieversorgungsnetz schwanken. Empfängt die Energiemanagementvorrichtung
Zusätzlich oder alternativ ist es auch möglich, in der Speichervorrichtung
Neben der zuvor beschriebenen Übertragung der Parameter von der Energiemanagementvorrichtung
Bei zuvor übertragenen Parametern mit einer Zeitvorgabe ist es dabei erforderlich, die einzelnen Uhren in der Energiemanagementvorrichtung
Bei Bedarf können darüber hinaus in Schritt
Zusammenfassend betrifft die vorliegende Erfindung eine erweiterte Steuerung einer Ladestation für ein Elektrofahrzeug durch eine Energiemanagementvorrichtung. Hierzu erhält die Energiemanagementvorrichtung zunächst von der Ladestation Informationen über ein angeschlossenes Elektrofahrzeug und insbesondere über den Ladezustand dieses Elektrofahrzeuges. Die Energiemanagementvorrichtung erstellt daraufhin eine Parametrisierung für den Ladevorgang des Elektrofahrzeuges und übergibt diese Parametrisierung an die Ladestation. Somit kann einerseits der Ladevorgang eines Elektrofahrzeuges weiter optimiert werden und dabei gleichzeitig durch die Energiemanagementvorrichtung auch die Auslegungen auf ein angeschlossenes Energieversorgungsnetz oder ähnliches möglichst gering gehalten werden. In summary, the present invention relates to an extended control of a charging station for an electric vehicle by an energy management device. For this purpose, the energy management device initially receives information from the charging station about a connected electric vehicle and in particular about the state of charge of this electric vehicle. The energy management device then creates a parameterization for the charging process of the electric vehicle and transfers this parameterization to the charging station. Thus, on the one hand, the charging process of an electric vehicle can be further optimized and, at the same time, the designs on a connected energy supply network or the like can be kept as low as possible by the energy management device.
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte Nicht-PatentliteraturCited non-patent literature
- „Performance Evaluation of Large-Scale Charge Point Networks for Electric Mobility Services“ (Ch. Lewandowski, S. Haendeler, Ch. Wietfeld; 6th International Conference on System and Networks Communication, Barcelona, October 2011) [0004] "Performance Evaluation of Large-Scale Charge Point Networks for Electric Mobility Services" (Ch Lewandowski, S. Haendeler, Ch. Wietfeld; 6th International Conference on Systems and Networks Communication, Barcelona, October 2011) [0004]
- „eMotion in Smart Cities“ (J. Reinschke und M. Duckheim; European Conference on Nanoelectronics and Embedded Systems for Electric Mobility“; 25.–26. September 2012, Bologna, Italy) [0004] "EMotion in Smart Cities" (J. Reinschke and M. Duckheim, European Conference on Nanoelectronics and Embedded Systems for Electric Mobility, 25-26 September 2012, Bologna, Italy) [0004]
- Standard ISO 15118 [0005] Standard ISO 15118 [0005]
- Standard IEC 61851-23/24 [0043] Standard IEC 61851-23 / 24 [0043]
Claims (15)
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DE102013211265.3A DE102013211265A1 (en) | 2013-06-17 | 2013-06-17 | An energy management device and method for controlling a charge |
PCT/EP2014/062509 WO2014202504A2 (en) | 2013-06-17 | 2014-06-16 | Energy management device and method for controlling a charging process |
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DE102013211265.3A DE102013211265A1 (en) | 2013-06-17 | 2013-06-17 | An energy management device and method for controlling a charge |
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