DE202015009840U1 - Charging station for charging a plug-in motor vehicle at a charging station - Google Patents

Charging station for charging a plug-in motor vehicle at a charging station Download PDF

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DE202015009840U1
DE202015009840U1 DE202015009840.1U DE202015009840U DE202015009840U1 DE 202015009840 U1 DE202015009840 U1 DE 202015009840U1 DE 202015009840 U DE202015009840 U DE 202015009840U DE 202015009840 U1 DE202015009840 U1 DE 202015009840U1
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charging station
charging
rectifier modules
power transformer
voltage
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Dr Ing HCF Porsche AG
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Dr Ing HCF Porsche AG
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
    • H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
    • H02M5/10—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using transformers
    • 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
    • B60L53/50—Charging stations characterised by energy-storage or power-generation means
    • B60L53/53—Batteries
    • 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
    • B60L53/67—Controlling two or more charging stations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M1/007—Plural converter units in cascade
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
    • H02M1/008—Plural converter units for generating at two or more independent and non-parallel outputs, e.g. systems with plural point of load switching regulators
    • 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

Abstract

Ladestation (10) zum Laden eines Plug-In-Kraftfahrzeuges (24) an einer Ladesäule (12), gekennzeichnet durch folgende Merkmale:
- die Ladestation (10) umfasst einen Leistungstransformator (14) und Gleichrichtermodule (16),
- der Leistungstransformator (14) weist sekundärseitig galvanisch getrennte Ableitungen (18) auf,
- die Ableitungen (18) sind zumindest teilweise mit den Gleichrichtermodulen (16) verbunden und
- der Leistungstransformator (14) und die Gleichrichtermodule (16) sind derart konfiguriert, dass die Gleichrichtermodule (16) eine Niedergleichspannung abgeben, wenn der Leistungstransformator (14) mit einer Mittelspannung gespeist wird.

Figure DE202015009840U1_0000
Charging station (10) for charging a plug-in motor vehicle (24) at a charging column (12), characterized by the following features:
- the charging station (10) comprises a power transformer (14) and rectifier modules (16),
- The power transformer (14) has on the secondary side galvanically separated discharge lines (18),
- The leads (18) are at least partially connected to the rectifier modules (16) and
- The power transformer (14) and the rectifier modules (16) are configured in such a way that the rectifier modules (16) output a low direct voltage when the power transformer (14) is fed with a medium voltage.
Figure DE202015009840U1_0000

Description

Die vorliegende Erfindung betrifft eine Ladestation zum Laden eines Plug-In-Kraftfahrzeuges an einer Ladesäule.The present invention relates to a charging station for charging a plug-in motor vehicle at a charging station.

Stand der TechnikState of the art

Bekannt sind stationäre Systeme zur elektrischen Versorgung von stationären Gleichspannungs-Ladesäulen, um die Traktionsbatterie eines Plug-In-Fahrzeuges - Hybrid- oder Elektrofahrzeug - mit Gleichspannung zu versorgen. Bekannt ist ferner, aus dem stationären Wechselstromnetz insbesondere bei einer Niederspannung um 400 Volt einzelne Ladesäulen zu versorgen, wobei jede einzelne Ladesäule einen eigenen AC/DC-Wandler zur Bereitstellung von Gleichspannung umfasst. Zudem ist es bereits bekannt, eine stufige Leistungsverteilung unter Verwendung einer Mehrzahl von als Ladegeräten ausgebildeten AC/DC-Wandlern zu verwenden.Stationary systems for the electrical supply of stationary DC voltage charging stations are known in order to supply the traction battery of a plug-in vehicle - hybrid or electric vehicle - with DC voltage. It is also known to supply individual charging columns from the stationary alternating current network, in particular at a low voltage of around 400 volts, with each individual charging column comprising its own AC / DC converter for providing direct voltage. In addition, it is already known to use a staged power distribution using a plurality of AC / DC converters designed as charging devices.

US 7,256,516 B2 beschreibt ein Ladesystem zum gleichzeitigen Laden der Batterien einer Vielzahl batteriebetriebener Fahrzeuge. Das Laden umfasst ein oder mehrere DC-DC-Leistungswandler mit einem oder mehreren Ladeanschlüssen, ausgebildet, sie an die Batterien anzuschließen. Die DC-DC-Leistungswandler sind jeweils konfiguriert, sich selektiv mit mehr als einem Ladeanschluss zu verbinden, um selektiv höhere Anschlussleistungsstufen zu bieten. Die DC-DC-Leistungswandler sind an einen Gleichrichter durch einen Zwischenkreis angeschlossen. Der Gleichrichter ist an eine Wechselstromquelle mit begrenzter Leistung angeschlossen. US 7,256,516 B2 describes a charging system for simultaneously charging the batteries of a large number of battery-operated vehicles. The charging includes one or more DC-DC power converters with one or more charging connections designed to connect them to the batteries. The DC-DC power converters are each configured to selectively connect to more than one charging port to selectively provide higher connection power levels. The DC-DC power converters are connected to a rectifier through an intermediate circuit. The rectifier is connected to a limited power source of alternating current.

WO 2013/039753 A1 beschreibt ein Verfahren zum Energiemanagement mit verschiedenen AC-Quellen. WO 2013/039753 A1 describes a method for energy management with different AC sources.

US 2014/0232301 A1 offenbart ein Verfahren zum Inverter-Laden. US 2014/0232301 A1 discloses a method of inverter charging.

US 2013/0221921 A1 beschreibt ein Fahrzeug. US 2013/0221921 A1 describes a vehicle.

US 2012/0326668 A1 betrifft, insbesondere in der Ausführungsform gemäß Anspruch 1, eine Brennstoffzelle. US 2012/0326668 A1 relates, in particular in the embodiment according to claim 1, to a fuel cell.

Offenbarung der ErfindungDisclosure of the invention

Die Erfindung stellt eine Ladestation zum Laden eines Plug-In-Kraftfahrzeuges an einer Ladesäule gemäß dem unabhängigen Anspruch bereit.The invention provides a charging station for charging a plug-in motor vehicle at a charging station according to the independent claim.

Der vorgeschlagene Ansatz beruht auf der Erkenntnis, dass zukünftig höhere Ladeleistungen benötigt werden und die Anzahl der benötigten Ladesäulen pro Ladestation wächst. Hier zeigt sich der Kosten- und strategische Vorteil dieser Erfindung.The proposed approach is based on the knowledge that higher charging capacities will be required in the future and the number of charging stations required per charging station will grow. This shows the cost and strategic advantage of this invention.

Ein Vorzug dieser Lösung liegt neben ihrer flexiblen Erweiterbarkeit darin, dass sämtliche von der Ladestation geladene Fahrzeuge voneinander galvanisch entkoppelt sind. Zu nennen sind auch die niedrigen Anschaffungskosten der Ladesäulen. Schließlich unterliegt der erfindungsgemäße Ladevorgang keiner systemimmanenten Leistungsbeschränkung, da die Versorgung nicht aus einem Niederspannungsnetz erfolgt, welches typischerweise eine Stromgrenze von 120 A Drehstrom bei einer Spannung von 400 V aufweist.One advantage of this solution, in addition to its flexible expandability, is that all vehicles charged by the charging station are galvanically decoupled from one another. The low acquisition costs of the charging stations should also be mentioned. Finally, the charging process according to the invention is not subject to any system-immanent power limitation, since the supply does not come from a low-voltage network, which typically has a current limit of 120 A three-phase current at a voltage of 400 V.

Weitere Vorteile der Erfindung gegenüber dem bisher Bekannten umfassen den besagten erheblichen Kostenvorteil, eine ausreichende Ladeleistung, flexible Leistungsverteilung unter den Säulen sowie die bis zur Maximalleistung Pmax einfache Erweiterung.Further advantages of the invention over the previously known include the said considerable cost advantage, sufficient charging power, flexible power distribution among the columns and the simple expansion up to the maximum power Pmax.

Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den abhängigen Ansprüchen angegeben. So kann die Ladestation einen rückspeisefähigen Pufferspeicher umfassen, mit welchem eine der Ableitungen des Leistungstransformators verbunden ist. Ein derartiger Energiespeicher kann Spitzenlasten abfangen.Further advantageous embodiments of the invention are specified in the dependent claims. Thus, the charging station can comprise a regenerative buffer store, to which one of the outlets of the power transformer is connected. Such an energy storage device can absorb peak loads.

Ferner kann vorgesehen sein, dass die Gleichrichtermodule ein beispielsweise als Leistungsfaktorkorrekturfilter (power factor correction, PFC) ausgeführtes Netzfilter umfassen, welches den sogenannten Leistungsfaktor erhöht, damit dieser in einem gesetzlich vorgegebenen Bereich bleibt. Eine solche Ausgestaltung verbessert insbesondere die normierte elektromagnetische Verträglichkeit (EMV) der beschriebenen Ladestation.Furthermore, it can be provided that the rectifier modules include a line filter, for example designed as a power factor correction filter (PFC), which increases the so-called power factor so that it remains within a legally prescribed range. Such a configuration improves in particular the standardized electromagnetic compatibility (EMC) of the charging station described.

Ebenso kann vorgesehen sein, dass die Ladestation wenigstens einen Isolationswächter (Isolationsüberwachungsgerät, Iso-Wächter) umfasst. Vorzugsweise ist dabei für jedes von der Ladestation geladene Fahrzeug ein eigener Isolationswächter vorgesehen. Im Fehlerfall, bei Überschreitung des Isolationsfehlerstromes, kann so eine Warnung abgegeben oder eine Abschaltung des betreffenden Netzabganges durchgeführt werden.It can also be provided that the charging station comprises at least one insulation monitor (insulation monitoring device, insulation monitor). A separate insulation monitor is preferably provided for each vehicle charged by the charging station. In the event of a fault, if the insulation fault current is exceeded, a warning can be issued or the relevant network outlet can be switched off.

Schließlich können die Gleichrichtermodule zu einer mehrpoligen Sammelschiene für Gleichstrom (direct current busbar, DC bus) zusammengefasst werden, was der Übersichtlichkeit und Wartungsfreundlichkeit der Station zugutekommt.Finally, the rectifier modules can be combined to form a multi-pole busbar for direct current (direct current busbar, DC bus), which improves the clarity and ease of maintenance of the station.

Figurenliste Figure list

Zwei Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden im Folgenden näher beschrieben.

  • 1 zeigt die symbolische Darstellung der ersten Ausführungsform.
  • 2 zeigt die symbolische Darstellung der zweiten Ausführungsform.
Two exemplary embodiments of the invention are shown in the drawings and are described in more detail below.
  • 1 shows the symbolic representation of the first embodiment.
  • 2 shows the symbolic representation of the second embodiment.

Ausführungsformen der ErfindungEmbodiments of the invention

1 illustriert den vereinfachten Aufbau einer Ladestation 10 zum Laden eines Plug-In-Kraftfahrzeuges 24 an einer von drei Ladesäulen 12 gemäß einer ersten Ausführungsform der Erfindung. Die Ladestation 10 umfasst einen Leistungstransformator 14 mit Isolationswächter und Sicherheitsmaßnahmen. Der Leistungstransformator 14 wird von einem vorgeschalteten Transformator 32 des Mittelspannungsnetzes mit einer Mittelspannung von beispielsweise 20 kV gespeist. Dieser wird seinerseits über ein mit Spannungen zwischen 110 und 380 kV betriebenes Höchst- und Hochspannungsnetz 30 von einem Kraftwerk 28 gespeist. 1 illustrates the simplified structure of a charging station 10 for charging a plug-in motor vehicle 24 at one of three charging stations 12 according to a first embodiment of the invention. The charging station 10 includes a power transformer 14th with insulation monitor and safety measures. The power transformer 14th is made by an upstream transformer 32 of the medium-voltage network with a medium voltage of, for example, 20 kV. This in turn is powered by a maximum and high voltage network operated with voltages between 110 and 380 kV 30th from a power plant 28 fed.

Die als zentraler Hochleistungs-AC/DC-Wandler 26 vorgesehene Ladestation 10 umfasst ferner drei Gleichrichtermodule 16, welche mit drei galvanisch getrennten Ableitungen 18 des Leistungstransformators 14 verbunden und zu einer mehrpoligen Sammelschiene zusammengefasst sind, um ein Zwischennetz mit einer Gesamtleistung von 600 kW bereitzustellen. Ein viertes Gleichrichtermodul 16 ist mit einem rückspeisefähigen Pufferspeicher 20 der Ladestation 10 verbunden. Als Netzfilter der Ladestation 10 fungiert dabei ein Leistungsfaktorkorrekturfilter der Gleichrichtermodule 16.The central high-performance AC / DC converter 26th designated charging station 10 also includes three rectifier modules 16 , which with three galvanically separated leads 18th of the power transformer 14th are connected and combined to form a multi-pole busbar to provide an intermediate network with a total output of 600 kW. A fourth rectifier module 16 is with a regenerative buffer storage 20th the charging station 10 connected. As a line filter for the charging station 10 a power factor correction filter of the rectifier modules functions 16 .

Der Leistungstransformator 14 und die Gleichrichtermodule 16 sind derart konfiguriert, dass die Gleichrichtermodule 16 eine Niedergleichspannung zwischen 950 V und 2000 V, vorzugsweise 1000 V, abgeben, wenn der Leistungstransformator 14 mit einer Mittelspannung von 20 kV gespeist wird. Diese noch ungeregelte Niedergleichspannung wird durch einen von drei einfachen Step-Down-DC/DC-Wandlern 26 in der Infrastruktur an die zwischen 200 und 1000 V, vorzugsweise jedoch 800 V betragende Ladespannung des Kraftfahrzeuges 24 angepasst. Diese stabilisierte Ladespannung wird - gesteuert mittels eines Schalters 22 - von der Ladesäule 12 mit einer Ladeleistung von 150 kW an das Kraftfahrzeug 24 geliefert, um letzteres zu laden.The power transformer 14th and the rectifier modules 16 are configured such that the rectifier modules 16 a low DC voltage between 950 V and 2000 V, preferably 1000 V, if the power transformer 14th is fed with a medium voltage of 20 kV. This still unregulated low DC voltage is converted by one of three simple step-down DC / DC converters 26th in the infrastructure to the charging voltage of the motor vehicle, which is between 200 and 1000 V, but preferably 800 V 24 customized. This stabilized charging voltage is controlled by a switch 22nd - from the charging station 12 with a charging power of 150 kW to the vehicle 24 delivered to load the latter.

Anders ist die Anpassung der Niedergleichspannung im Falle einer in 2 beleuchteten zweiten Ausführungsform der Erfindung gelöst. Die Ladesäule 12 liefert hier die noch ungeregelte Niedergleichspannung, sodass das Anpassen der Niedergleichspannung seitens des Kraftfahrzeuges 24 erfolgen muss. Letzteres umfasst hierzu einen eigenen Step-Down-DC/DC-Wandler 26.The adjustment of the low DC voltage is different in the case of an in 2 illuminated second embodiment of the invention solved. The charging station 12 supplies here the still unregulated low direct voltage, so that the adaptation of the low direct voltage on the part of the motor vehicle 24 must be done. The latter includes its own step-down DC / DC converter 26th .

ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDED 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 was 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 PatentliteraturPatent literature cited

  • US 7256516 B2 [0003]US 7256516 B2 [0003]
  • WO 2013/039753 A1 [0004]WO 2013/039753 A1 [0004]
  • US 2014/0232301 A1 [0005]US 2014/0232301 A1 [0005]
  • US 2013/0221921 A1 [0006]US 2013/0221921 A1 [0006]
  • US 2012/0326668 A1 [0007]US 2012/0326668 A1 [0007]

Claims (7)

Ladestation (10) zum Laden eines Plug-In-Kraftfahrzeuges (24) an einer Ladesäule (12), gekennzeichnet durch folgende Merkmale: - die Ladestation (10) umfasst einen Leistungstransformator (14) und Gleichrichtermodule (16), - der Leistungstransformator (14) weist sekundärseitig galvanisch getrennte Ableitungen (18) auf, - die Ableitungen (18) sind zumindest teilweise mit den Gleichrichtermodulen (16) verbunden und - der Leistungstransformator (14) und die Gleichrichtermodule (16) sind derart konfiguriert, dass die Gleichrichtermodule (16) eine Niedergleichspannung abgeben, wenn der Leistungstransformator (14) mit einer Mittelspannung gespeist wird.Charging station (10) for charging a plug-in motor vehicle (24) at a charging station (12), characterized by the following features: - the charging station (10) comprises a power transformer (14) and rectifier modules (16), - the power transformer (14) ) has galvanically separated leads (18) on the secondary side, - the leads (18) are at least partially connected to the rectifier modules (16) and - the power transformer (14) and the rectifier modules (16) are configured in such a way that the rectifier modules (16) deliver a low DC voltage when the power transformer (14) is fed with a medium voltage. Ladestation (10) nach Anspruch 1, gekennzeichnet durch folgende Merkmale: - die Ladestation (10) umfasst ferner einen rückspeisefähigen Pufferspeicher (20) und - eine der Ableitungen (18) ist mit dem Pufferspeicher (20) verbunden.Charging station (10) Claim 1 , characterized by the following features: - the charging station (10) further comprises a regenerative buffer storage (20) and - one of the discharge lines (18) is connected to the buffer storage (20). Ladestation (10) nach Anspruch 1 oder 2, gekennzeichnet durch ein Netzfilter.Charging station (10) Claim 1 or 2 , characterized by a line filter. Ladestation (10) nach Anspruch 3, dadurch gekennzeichnet, dass das Netzfilter ein Leistungsfaktorkorrekturfilter der Gleichrichtermodule (16) ist.Charging station (10) Claim 3 , characterized in that the line filter is a power factor correction filter of the rectifier modules (16). Ladestation (10) nach einem der Ansprüche 1 bis 4, gekennzeichnet durch einen Isolationswächter.Charging station (10) after one of the Claims 1 to 4th , characterized by an insulation monitor. Ladestation (10) nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Gleichrichtermodule (16) zu einer mehrpoligen Sammelschiene zusammengefasst sind.Charging station (10) after one of the Claims 1 to 5 , characterized in that the rectifier modules (16) are combined to form a multi-pole busbar. Ladestation (10) nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Ladestation (10) derart konfiguriert ist, dass die Niedergleichspannung zwischen 950 V und 2000 V, vorzugsweise 1000 V, beträgt, wenn die Mittelspannung 20 kV beträgt.Charging station (10) after one of the Claims 1 to 6th , characterized in that the charging station (10) is configured such that the low DC voltage is between 950 V and 2000 V, preferably 1000 V, when the medium voltage is 20 kV.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113276719A (en) * 2021-05-26 2021-08-20 北京嘀嘀无限科技发展有限公司 Charging station and power distribution method and device thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113276719A (en) * 2021-05-26 2021-08-20 北京嘀嘀无限科技发展有限公司 Charging station and power distribution method and device thereof
CN113276719B (en) * 2021-05-26 2023-08-15 北京嘀嘀无限科技发展有限公司 Charging station and power distribution method and device thereof

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