WO2012146306A2 - Procédé pour limiter la puissance électrique - Google Patents

Procédé pour limiter la puissance électrique Download PDF

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Publication number
WO2012146306A2
WO2012146306A2 PCT/EP2011/056858 EP2011056858W WO2012146306A2 WO 2012146306 A2 WO2012146306 A2 WO 2012146306A2 EP 2011056858 W EP2011056858 W EP 2011056858W WO 2012146306 A2 WO2012146306 A2 WO 2012146306A2
Authority
WO
WIPO (PCT)
Prior art keywords
charging devices
control device
power
charging
determined
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.)
Ceased
Application number
PCT/EP2011/056858
Other languages
German (de)
English (en)
Other versions
WO2012146306A3 (fr
Inventor
Alexander Kepka
Martin Nolewaika
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
Priority to PCT/EP2011/056858 priority Critical patent/WO2012146306A2/fr
Publication of WO2012146306A2 publication Critical patent/WO2012146306A2/fr
Publication of WO2012146306A3 publication Critical patent/WO2012146306A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H02J3/00—Circuit arrangements for AC mains or AC distribution networks
    • H02J3/12—Arrangements for adjusting voltage in AC networks by changing a characteristic of the network load
    • H02J3/14—Arrangements for adjusting voltage in AC networks by changing a characteristic of the network load by switching loads on to, or off from, the networks, e.g. progressively balanced loading
    • 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
    • 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
    • H02J2105/00—Networks for supplying or distributing electric power characterised by their spatial reach or by the load
    • H02J2105/50—Networks for supplying or distributing electric power characterised by their spatial reach or by the load for selectively controlling the operation of the loads
    • H02J2105/52—Networks for supplying or distributing electric power characterised by their spatial reach or by the load for selectively controlling the operation of the loads for limitation of the power consumption in the networks or in one section of the networks, e.g. load shedding or peak shaving
    • 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
    • H02J2105/50—Networks for supplying or distributing electric power characterised by their spatial reach or by the load for selectively controlling the operation of the loads
    • H02J2105/52—Networks for supplying or distributing electric power characterised by their spatial reach or by the load for selectively controlling the operation of the loads for limitation of the power consumption in the networks or in one section of the networks, e.g. load shedding or peak shaving
    • H02J2105/53—Networks for supplying or distributing electric power characterised by their spatial reach or by the load for selectively controlling the operation of the loads for limitation of the power consumption in the networks or in one section of the networks, e.g. load shedding or peak shaving for partial power limitation, e.g. entering degraded or current limitation modes
    • 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
    • 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
    • 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
    • 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
    • Y02T90/16—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
    • 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]
    • 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
    • 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
    • Y04S30/12—Remote or cooperative charging

Definitions

  • the invention relates to a method for limiting the electric power when charging traction batteries of electrically driven vehicles and to a control device.
  • Such an electrically powered vehicle includes a traction battery, which provides the Benö for driving ⁇ preferential electrical energy. Discharged traction batteries must be recharged if necessary by means of a charging device. Therefore, in the future will be installed in a larger number of charging devices for electrically powered vehicles, for example, at gas stations, parking ⁇ zen, parking garages or at the roadside. At desired short loading times, the charging devices have to provide considerable electrical power for charging the Fahrbat ⁇ series. In particular, if several charging devices are supplied by a power grid with electrical energy, for example, there is a risk that the power grid can be overloaded.
  • the object of the invention is to provide a method and a device which allow a plurality of charging devices to be operated safely and reliably on an energy supply network.
  • a method for limiting the electric power when charging traction batteries of electrically driven vehicles wherein a plurality of charging devices is connected to a power supply network, to each of which a traction battery of an electrically driven vehicle is rechargeable.
  • those charging devices are determined from the plurality of charging devices, by means of the same time to a determination ⁇ time driving batteries of vehicles are charged, and the electrical power (charging power) of the determined charging devices is limited (from the determination time) each to a limit. This ei ⁇ ne overloading of the power grid is safely avoided.
  • the electrical power can thereby either the power consumption or the power output of the charger ent ⁇ speak.
  • the determination time may be, for example, the current time or a future time.
  • the electrical power of the charging devices is limited in each case to the limit value.
  • This limit can the maximum value ⁇ specify to which electric power can be ent ⁇ taken at each of the charging devices for the purpose of charging the traction battery.
  • the limit value can also indicate the maximum power that may be taken from each charging device from the energy supply network (in this case, the power loss within the charging device is also taken into account).
  • the limit value can be determined such that it corresponds to the quotient of the electrical power that can be provided by the energy supply network (eg, maximum) and the number of charging devices determined. This ensures that the electrical power drawn off at the power supply network can not assume unacceptably high values even when the driving batteries are simultaneously charged to all of the charging devices that have been determined. This will eg a Overload of the power grid safely and reliably avoided ⁇ sig.
  • the limit value can be determined in such a way that it corresponds to the quotient of the electrical active power which can be provided by the energy supply network and the number of charging devices determined.
  • the deliverable active electrical power is used in determining the limit value.
  • the method can proceed so that the loading devices are determined by a central control device, load of vehicles by means of the determination time point simultaneously Fahrbatte ⁇ rien.
  • the determination of the charging devices is carried out by a central control device.
  • a central control device By means of such a central control device a plurality of charging devices can be controlled or the charging devices charging at the time of determination can be determined.
  • the process may also proceed so that the central control device receives at least one status message from the charging ⁇ facilities and based on this, he status message ⁇ known is, by means of which loading means for investigative simultaneously averaging time point driving batteries of vehicles ge will load ⁇ .
  • the central control device can easily and reliably recognize to which of the charging devices at the same time traction batteries are charged.
  • the method can be easily adapted to an increasing number of charging devices, without the need for complex changes to be made to the control device.
  • the process can proceed in such a way that from a central control device receives at least one status message from the charging ⁇ facilities and based on this, he status message ⁇ known is, by means of which loading means for investigative simultaneously averaging time point driving batteries of vehicles ge will load ⁇ .
  • the central control device can easily and reliably recognize to which of the charging devices at the same time traction batteries are charged.
  • the method can be easily adapted to an increasing number of charging devices, without the need for complex changes to be made to the control device.
  • Control device the electrical power of the determined charging devices is limited to the limit.
  • the method can run in such a way that a command message is sent to the ascertained charging devices by the control device for limiting the charging power.
  • This command message may contain information about the limit.
  • the charging devices limit their electrical power to the limit.
  • a control device is provided for limiting the electric power when charging traction batteries of electrically driven vehicles.
  • This control means is arranged, from a plurality of devices connected to a power grid loading means (is on each of which a traction battery of an electrically driven vehicle rechargeable) to identify those charging devices are loaded by means of a detection time ⁇ point simultaneously driving batteries of vehicles, and the electric power each of the determined charging devices (from the time of the determination) each to limit a limit.
  • This control device can be designed to determine the limit value in such a way that it corresponds to the quotient of the electrical power that can be supplied by the energy supply network (for example, maximum) and the number of charging devices determined.
  • the control device can also be configured to determine the limit value in such a way that it corresponds to the quotient of the electrical active power which can be provided by the energy supply network and the number of charging devices determined.
  • the control device can also be configured to receive at least one status message from the charging devices and to recognize it on the basis of this status message, by means of which Charging devices at the same time be charged charging batteries of vehicles at the same time.
  • the control device can also be configured to send a command message to the determined charging devices for limiting the electrical power, the command message containing information about the limit value.
  • This control device also has the advantages that are mentioned above in connection with the method according to the invention.
  • Figure 1 shows an embodiment of four charging devices with a central control device and in
  • Figure 2 is an exemplary timing when performing the
  • FIG. 1 schematically shows a power supply network 1, which in the exemplary embodiment is a medium-voltage power supply network or low-voltage power supply network.
  • a branch 3 of this power supply network 1 AC or AC voltage ⁇ is provided.
  • the branch 3 is connected to a transformer 5, by means of which the voltage level can be adjusted to a required size and / or ei ⁇ ne galvanic isolation can be realized.
  • This Trans ⁇ formator 5 is optional, it can in otherentesbei ⁇ play be omitted.
  • the branch 3 of the power supply network 1 is via the transformer 5 and power conductor 7 (power cable 7) electrically connected to a first charging device 10.
  • This first charging device 10 has a first power ⁇ path 12, electrically drivable over which the certificate from the branch 3 of the power supply system 1 to a first electric power driving battery 16 of a first
  • the first power path 12 ent ⁇ holds, for example, electronic components of the power ⁇ electronics, fuses, switching devices and / or measuring equipment.
  • the power line to the first drive battery 16 is effected by means of a first charging cable 19.
  • the first charging device 10 has a first control device 20 which monitors and controls the operation of the first charging device.
  • the power supply network 1 is electrically connected by means of the power conductor 7 to a second charging device 30.
  • the second charging device 30 has - similar to the first charging device 10 - a second power path 32 which transmits by means of a second charging cable 35 derived from the power grid 1 electrical energy ei ⁇ ner second traction battery 36 of a second electrically drivable ⁇ ble vehicle 38.
  • the second charging device 30 has a second control means 40, which the loading ⁇ drive of the second charging device 30 monitors and controls.
  • the branch 3 of the Energyver ⁇ supply network 1 is electrically connected by means of the power conductor 7 with a third charging means 50th
  • the third charging device 50 has a third power path 52, which transmits the certificate from the energy supply network 1 ⁇ electrical energy at a third driving battery 56 of a third electrically powered vehicle 58 by means of a third charging cable 55th
  • the third charging device 50 has a third control device 60, which monitors and controls the operation of the third charging device 50.
  • the branch 3 of the power supply network 1 is electrically connected to a fourth charging device 70 by means of the power conductors 7.
  • the fourth charging device 70 has a fourth power path 72, which transmits the certificate from the branch 3 elekt ⁇ generic power to a fourth driving battery 76 of a fourth electrically powered vehicle 78 by means of a fourth charging cable 75 miles.
  • the fourth charging device 70 has a fourth control device 80, which monitors and controls the operation of the fourth charging device 70. For example, each of the Ladeeinrich ⁇ lines 10, 30, 50 and 70, the respective connected Fahrbat ⁇ terie with active power up to 44 KW charge.
  • the first control device 20 of the first charging device 10, the second control device 40 of the second charging device 30, the third control device 60 of the third charging device 50 and the fourth control device 80 of the fourth charging device 70 is electrically connected by means of communication conductors 82 (communication cables 82) to a central control device 84 ,
  • the central control device 84 has a communication unit 86 and a control unit 88.
  • the central STEU ⁇ er By means of the communication unit 86, the central STEU ⁇ er knew 84 messages from the charging devices 10, 30, 50 and 70 and received by the power supply system 1 and send messages to the charging devices 10, 30, 50 and 70th
  • the central control device 84 processes the received messages and carries out control tasks.
  • FIG. 2 shows an exemplary time sequence when carrying out the method. An exemplary embodiment of the method for limiting the electric power during charging of traction batteries of electric drivable vehicles is described below by means of FIGS. 1 and 2.
  • the first drive battery 16 is connected by means of the first charging device 10 and by means of the first charging device third charging device 50, the third drive battery 56 simultaneously loaded. However, the second traction battery 36 and the fourth traction battery 56 are not charged. For charging, the maximum deliverable electrical active power Pmax is available at branch 3 as electrical power that can be supplied
  • the first charging device 10 is controlled by the first control means 20 and the third charging means 50 is controlled by the third control means 60 so that as ⁇ probably the first traction battery 16 and the third driving battery 56 deployable each with half of the branch of the power supply network electric active power Pmax be charged.
  • the first traction battery 16 is charged with the first power PI and the third traction battery 56 is charged with the power (Pmax - PI).
  • Pmax 2 PI.
  • the second charging device 30 should additionally be charged with the second traction battery 36 of the second electrically drivable vehicle 38. Therefore, the control device 40 of the second charging device 30 sends a status message 92 via the communication conductors 82 to the central control device 84.
  • This status message 92 contains the information that the second travel battery 36 is to be charged from the time t 1, ie that at the time t 1 the Charging for the second traction battery 36 begins.
  • the time tl is here therefore the determination time.
  • the central control device 84 receives via the communi ⁇ tion unit 86, this status message 92 and evaluates their home holding means of the control unit 88 from.
  • the central STEU ⁇ er sensible 88 receives no contrary status messages from the first charging device 10 and the third loading device 50, is known at the central control device 84, that at the time tl charging at the first charging device 10 and the third charging device 50 carried on becomes. It is therefore upon receiving the Statusnach ⁇ directing 92 in the central control device 84, the information tion that from the time tl to three charging devices at the same time traction batteries of vehicles to be loaded, namely at the first charging device 10, the second charging device 30 and the third charging device 50. The number of charging devices on which from the time tl at the same time So driving batteries are to be loaded, that is 3.
  • the first controller 20, a status message 93 and / or the third control device 60 send a status message 94 to the central controller 84
  • the status messages 93 contains the information that the first charging means 10 also charges the driving battery 16
  • the status ⁇ object 94 contains the information that the third charging ⁇ device 50 also charges the driving battery 56.
  • the central control device 84 has a characteristic value for the electrical power that can be supplied to the power supply network 1.
  • this characteristic value is the maximum electrical electrical power Pmax which can be provided at the branch 3 of the energy supply network 1.
  • Information about this electrical power which can be provided at the power supply network 1 has already been transmitted from the power supply network 1 via the communication conductors 82 to the central control device 84, for example.
  • it may be in the characteristic value also to a different size han ⁇ punching, for example, the maximum deployable from the power supply network 1 electric power to regenerative electric current ( "green energy").
  • control unit determines the central STEU ⁇ er adopted the quotient of the loading at the branch 3 Rechargeable electric power Pmax and the number of charging devices determined.
  • the control unit determines the central STEU ⁇ er owned the quotient of the loading at the branch 3 Rechargeable electric power Pmax and the number of charging devices determined.
  • the central control device 84 then sends a command message 95 to the first charging device 10, the second charging device 30 and the third charging device 50 via the communication unit 86.
  • This command message 95,, Pmax contains information about the limit value and optionally
  • the control devices 20, 40, 60 of the charging devices 10, 30, 50 limit the electrical power of the charging devices from the time t1 to this limit ---. Then, from the time tl at each of the three charging devices, the respectively connected traction battery with the maximum power
  • Charging device from the power grid 1 is on the
  • the response time of the vehicles 18, 38, 58 and 78 can be taken into account, ie the time between the sending of the command message and the new limit value of the power. If within a predetermined period of time, the new limit is not met, then the La ⁇ devorgang is interrupted.
  • a method and a control device have been described, which make it possible to operate a plurality of charging devices safely and reliably at a branch of a power supply network.
  • the electric Leis ⁇ tung that charging devices, in which at the same time be charged driving battery is limited to a limit value.
  • This limit value corresponds to the quotient of the electrical power that can be supplied by the energy supply network and the number of simultaneously charging charging devices. As a result, in particular overloading of the power supply network is reliably avoided.

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

Abstract

L'invention concerne un procédé pour limiter la puissance électrique lors de la charge de batteries de traction (16, 36, 56, 76) de véhicules à propulsion électrique (18, 38, 58, 78), une pluralité de dispositifs de charge (10, 30, 50, 70) étant raccordés à un réseau d'alimentation en énergie (1) servant à charger respectivement une batterie de traction (16, 36, 56, 76) d'un véhicule à propulsion électrique (18, 38, 58, 78). Ledit procédé consiste à déterminer parmi la pluralité de dispositifs de charge (10, 30, 50, 70) quels dispositifs de charge permettent de charger simultanément des batteries de traction (16, 36, 56) de véhicules (18, 38, 58) à un moment de détermination (t1). La puissance électrique des dispositifs de charge déterminés (10, 30, 50) est respectivement limitée à une valeur limite.
PCT/EP2011/056858 2011-04-29 2011-04-29 Procédé pour limiter la puissance électrique Ceased WO2012146306A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2011/056858 WO2012146306A2 (fr) 2011-04-29 2011-04-29 Procédé pour limiter la puissance électrique

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FR3008246A1 (fr) * 2013-07-03 2015-01-09 Schneider Electric Ind Sas Systeme de charge electrique d'une pluralite de vehicules electriques et procede de repartition de la puissance electrique delivree par une alimentation electrique d'un tel systeme
CN104709091A (zh) * 2013-12-13 2015-06-17 北汽福田汽车股份有限公司 纯电动车的上电和下电方法
EP3825165A1 (fr) * 2019-11-22 2021-05-26 Delta Electronics (Shanghai) Co., Ltd. Système de distribution d'énergie et procédé de charge de plusieurs véhicules électriques

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US8013570B2 (en) * 2009-07-23 2011-09-06 Coulomb Technologies, Inc. Electrical circuit sharing for electric vehicle charging stations
DE102009036816A1 (de) * 2009-08-10 2011-02-17 Rwe Ag Steuerung von Ladestationen

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3008246A1 (fr) * 2013-07-03 2015-01-09 Schneider Electric Ind Sas Systeme de charge electrique d'une pluralite de vehicules electriques et procede de repartition de la puissance electrique delivree par une alimentation electrique d'un tel systeme
US9586492B2 (en) 2013-07-03 2017-03-07 Schneider Electric Industries Sas Electric charging system of a plurality of electric vehicles and method for distributing the electric power delivered by an electric power supply of such a system
CN104709091A (zh) * 2013-12-13 2015-06-17 北汽福田汽车股份有限公司 纯电动车的上电和下电方法
EP3825165A1 (fr) * 2019-11-22 2021-05-26 Delta Electronics (Shanghai) Co., Ltd. Système de distribution d'énergie et procédé de charge de plusieurs véhicules électriques
US11383613B2 (en) 2019-11-22 2022-07-12 Delta Electronics (Shanghai) Co., Ltd. Power distribution system and method for charging multiple electric vehicles

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