WO2012163741A2 - Alimentation en énergie - Google Patents

Alimentation en énergie Download PDF

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Publication number
WO2012163741A2
WO2012163741A2 PCT/EP2012/059527 EP2012059527W WO2012163741A2 WO 2012163741 A2 WO2012163741 A2 WO 2012163741A2 EP 2012059527 W EP2012059527 W EP 2012059527W WO 2012163741 A2 WO2012163741 A2 WO 2012163741A2
Authority
WO
WIPO (PCT)
Prior art keywords
stationary
energy
voltage
storage device
power supply
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/EP2012/059527
Other languages
German (de)
English (en)
Other versions
WO2012163741A3 (fr
Inventor
Rolf Fischperer
Michael Meinert
Peter Eckert
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 EP12726762.3A priority Critical patent/EP2697095A2/fr
Publication of WO2012163741A2 publication Critical patent/WO2012163741A2/fr
Anticipated expiration legal-status Critical
Publication of WO2012163741A3 publication Critical patent/WO2012163741A3/fr
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
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • H02J7/345—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering using capacitors as storage or buffering devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/40—Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/11—DC charging controlled by the charging station, e.g. mode 4
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/32—Constructional details of charging stations by charging in short intervals along the itinerary, e.g. during short stops
    • 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
    • B60L53/55—Capacitors
    • 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
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • B60L7/18—Controlling the braking effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M3/00—Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power
    • B60M3/06—Arrangements for consuming regenerative power
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • 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
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • B60L2210/12—Buck converters
    • 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
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • B60L2210/14—Boost converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2105/00—Networks for supplying or distributing electric power characterised by their spatial reach or by the load
    • H02J2105/30—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles
    • H02J2105/33—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles exchanging power with road vehicles
    • H02J2105/37—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles exchanging power with road vehicles exchanging power with electric vehicles [EV] or with hybrid electric vehicles [HEV]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Details of circuit arrangements for charging or discharging batteries or supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the invention relates to a stationary energy store having the features of claim 1 and to an energy system having the features of claim 6.
  • An electrically drivable vehicle in particular a Li ⁇ nien scholar such as a train, a tram or a bus is permanently or temporarily connected to a power grid.
  • the vehicle has a mobile energy storage, which is rechargeable from the power grid, and caches the electrical energy that can be used later for driving the vehicle.
  • the mobile energy storage can be charged in the so-called recuperator while the vehicle is decelerating.
  • EP 0968873 Al suggests to exchange electrical energy between ei ⁇ nem first braking the vehicle and a second, accelerating the vehicle, both of which are electrically connected to a power grid.
  • EP 1 864 849 A1 describes a system in which a stationary energy store outside the vehicle and a mobile energy store are provided on board the vehicle, wherein the mobile energy store is set up to be charged from the stationary energy store.
  • the known stationary or mobile energy storage for storing normally include an accumulator or a capacitor, in particular a double-layer Kondensa ⁇ gate, and the stored energy in the energy storage is dependent on a voltage of the energy store.
  • the vehicle is connected to the energy supply network only during short phases, for example at predetermined stops
  • rapid energy transfer from the stationary energy store to the mobile energy store is required.
  • the power supply network can be fed from another electrical supply network.
  • the voltage of a fully charged stationary energy storage would normally exceed the voltage prevailing in the power supply voltage, which is why the stationary electrical energy storage is charged only to a voltage that does not exceed the voltage of the electrical supply network.
  • the invention is therefore based on the object a host ⁇ nomic utilization of a major portion of the electrical storage capacity of the stationary energy storage for enabling ⁇ union without the need for a high-performance power supply is needed.
  • the invention solves this problem by means of a stationary energy storage with the features of claim 1 and an energy system with the features of claim 6.
  • Unteransprü ⁇ che give preferred embodiments again.
  • a stationary energy store for the temporary storage of electrical energy in a stationary power supply network for an electrically drivable vehicle comprises a stationary storage device, a first buck converter for charging the stationary storage device, a first boost converter for discharging the stationary storage device. Position, a second boost converter for charging the stationary storage device and a second buck converter for discharging the stationary storage device.
  • the stationary storage device can be charged from the supply network to a voltage which is above the voltage of the supply network and which can furthermore be discharged into the constant-voltage power supply network, while the voltage of the stationary storage device is below the voltage of the energy supply network , An electric storage capable ⁇ ness of the stationary storage device can thus be used to optimize and an energy exchange can be accelerated.
  • Auxiliary and protective elements of the stationary energy storage can be used in all operating conditions, so that the stationary energy storage can require little additional manufacturing and operating costs.
  • the additional step- up or step-down converters can correspond to known setters, so that a new development of the setting divider can be dispensable.
  • the stationary storage device of the stationary energy store can be charged and discharged in a short time between voltage limits, which are independent of the voltage of the power supply network. So it suffice even a rela ⁇ tively low voltage and a relatively low power of the supply network to charge the stationary energy storage. Thereby, a connection of the stationary energy storage to the supply network can be done easily and inexpensively.
  • the first and the second step-up converter as well as the first and second step-down converter each comprise an actuating element and a control throttle, wherein the Stelldros ⁇ least at least two of the setting divider are identical to each other. It can also be the control chokes of three or all four setting divider identical to each other.
  • the stationary energy store may be configured to discharge the energy stored in the stationary storage device into the vehicle. As a result, a supply of the vehicle with electrical energy, in particular during a time-limited charging process, be optimized.
  • the stationary energy store may further comprise a control device, which is set up to charge or discharge the stationary storage device in different operating states.
  • a control device which is set up to charge or discharge the stationary storage device in different operating states.
  • the stationary memory device In a first operating state, the stationary memory device is charged by means of the first buck converter from the power supply network to a voltage which is below a voltage of the power supply network.
  • the stationary storage device In a second operating state, the stationary storage device is charged by means of the second boost converter from the power grid to a voltage higher than the voltage of the Energymakerssnet ⁇ zes.
  • the stationary memory device In a third operating state, the stationary memory device is discharged by means of the second buck converter to provide a voltage in the power supply network that is below the voltage of the stationary memory device, and in a fourth operating state, the stationary memory device is discharged by the first boost converter to a voltage provide in the power grid, which is above the voltage of the stationary storage device.
  • the time required for charging or discharging each energy storage can be different in the various operating conditions and be determined by the given data of the components involved, in particular rated current and rated voltage.
  • the energy supply network can have a low efficiency, which leads to comparatively long charging times for the stationary energy store, wherein the discharging of the stationary storage into the mobile energy storage, nevertheless, only a comparatively short It may take time if the energy stores are rated for high performance.
  • control device By means of the control device, the described elements of the stationary ele- energy storage device in accordance with the un ⁇ ter Kunststofflichen operating states are controlled. Thereby may be achieved an improved, more flexible and more particularly to auto ⁇ mated treatment of the different operating states. By converting the voltages using the boost and buck converters, excessive current flow can be prevented.
  • the power supply network carries a substantially constant voltage.
  • the voltage of the energy supply network may be subject to smaller fluctuations and certain disturbances may be superimposed, as a result of which the energy supply network is not yet operated with different voltages or with a specifically varying voltage.
  • a design of the power supply network and a dimensioning of components, in particular in the stationary energy storage and on board the vehicle can be facilitated by the substantially constant voltage.
  • the power supply network leads a DC voltage fed from a rectifier.
  • the rectifier can be fed from the electrical supply network.
  • the DC voltage fed from the rectifier can be sufficient.
  • the stationary energy storage can help to cover a peak load, which can arise at ⁇ example, the rapid transfer of electrical energy in the vehicle or in several vehicles simultaneously.
  • a power system includes the stationary energy storage device and the electric automobile described, the vehicle having a mobile Ener ⁇ gieatorium for storing electrical drive energy environmentally summarizes and the mobile energy storage comprises a mobile storage device which is adapted to be charged from the statio ⁇ nary storage device.
  • the energy system according to the invention can provide improved from utilization ⁇ a storage capacity of one or both energy ⁇ memory. A charging time of the mobile energy storage device can be reduced according to the energy system according to the invention.
  • the second buck converter is adapted to charge the mobile storage device from the statio nary ⁇ storage device, wherein the second downconverter is arranged on board the vehicle.
  • a change in the voltage of the power supply network can be made possible, while the voltage of the stationary energy storage exceeds the usual nominal voltage of the power supply network.
  • the mobile energy storage device may have a third boost converter for charging the mobile storage device. As a result, a constant voltage can be removed from the mobile energy store, even if the vehicle or the mobile energy store is not connected to the energy supply network.
  • the energy system may include an electrical connection device for establishing an at least temporary electrical connection between the vehicle and the power supply network.
  • the connection device may comprise, for example, a high-voltage line with sliding contact and / or a track contact. The connection device can do this be configured to produce the electrical connection, for example, only at a stop of the vehicle.
  • the invention comprises a method for charging a mobile electrical energy store with a mobile storage device comprising a stationary electrical energy store with a stationary storage device, the method comprising steps of charging the stationary storage device by means of a first step-down converter from a power supply network Voltage of the stationary memory device is under the voltage of the power supply network, the charging of the stationary memory device by means of a first boost converter from the power grid, the voltage of the stationary memory device is above the voltage of the power supply network, discharging the statio ⁇ nary memory device by means of a second buck converter in order to provide a voltage in the power supply network which is below the voltage of the stationary storage device and the discharge of the s tationary storage means by means of a second boost converter to provide a voltage in the power supply network, which is above the voltage of the stationary storage device comprises.
  • a computer program product comprises program code means for performing the described method when the method is executed on a processing device or stored on a computer-readable data memory.
  • FIG. 1 shows a circuit diagram of an energy system
  • FIG. 2 shows voltage diagrams on the energy system from FIG. 1;
  • FIG. 1 A first figure.
  • FIG. 4 shows a circuit diagram of a further variation of the energy system from FIG. 1;
  • FIG. 5 shows a circuit diagram of yet another variation of the energy system of FIG. 1;
  • FIG. 6 shows a flowchart of a method for controlling the
  • the power system 100 includes a stationary energy storage (SES) 105 and a vehicle 110 with a mobile power ⁇ memory (MES) 115.
  • the stationary energy storage 105 and the vehicle 110 are by means of a power supply system 120 connected to each other ,
  • the power grid 120 may include a high voltage power line, such as a catenary or bus bar, that is contacted with a sliding contact 125 attached to the vehicle 110. It may also be provided a track contact, which is contacted by an electrically conductive wheel 130 or a corresponding sliding contact of the vehicle 110.
  • the power supply network 120 is usually a DC power supply network whose nominal voltage can be, for example, 400 V.
  • the power grid 120 is primarily powered by a rectifier 135, which is operated, for example, with three-phase alternating current from an AC power supply network.
  • a main switch 140 connects the stationary energy storage 105 to the power supply network 120. From the main switch 140, a positive voltage passes through a precharging device 145 to a mains choke 150.
  • the precharging device 145 and the mains choke 150 have the task of electrical interference between the power supply network 120 and the remaining components of the stationary energy storage 105 to decouple.
  • a backup capacitor 155 extends from the mains choke 150 to an electrically negative terminal of the main switch 140 and serves to smooth the high voltage applied to it ⁇ .
  • An adjusting throttle 160 is ver ⁇ connected with four actuators 165, that two step-up converter ( “step-up converter”) and two step-down converter ( “step-down converter”) are formed.
  • Each of the actuators 165 is symbolically represented by an NPN transistor which includes a freewheeling diode from its emitter to its collector.
  • any other switching means for the actuator 165 may be used, such as a FET transistor.
  • the Hochsetzstel ⁇ ler and buck converter have the task of controlling a charging or discharging a stationary memory device 170.
  • the stationary storage device 170 may comprise an accumulator or a capacitor, in particular a double-layer capacitor.
  • the first buck converter 175 for charging the stationary storage device 170 from the power supply network 120 is formed by the positioning choke 160 and the upper left positioning element 165.
  • the first step-up converter 180 for discharging the stationary storage device 170 into the power supply network 120 is formed by the positioning choke 160 and the lower-left positioning element 165.
  • the second boost converter 185 for charging the stationary storage device 170 from the power supply network 120 is formed by the control throttle 160 and the lower right Stell ⁇ element 165.
  • the second step-down converter 190 for discharging the stationary memory device 170 into the power supply network 120 is formed by the positioning choke 160 and the upper-right positioning element 165.
  • a current through the control throttle 160 is protected by means of an optional fuse 195.
  • An optional backup ⁇ device 200 is connected in parallel to the stationary storage device 170 and limits the stationary SpeI ⁇ cher worn 170 secures electrically against overvoltage.
  • all setting dividers 175 to 190 are constructed with the same adjusting throttle 160.
  • a plurality of actuating throttles 160 may be provided, which are assigned in each case in each case one or more of the setting divider 175 to 190.
  • All control elements 165 can be controlled by means of a control device 210.
  • the controller 210 may be configured to prevent a competing operation of boost converters 175 to 190, as the same parking restrictor 160 umfas ⁇ sen.
  • the control device 210 controls the sta ⁇ tionary energy storage 105 in one of four different operating conditions, which are briefly explained below.
  • the stationary spoke pure ⁇ device In the first operating state, the stationary spoke pure ⁇ device is charged from the power supply network 120 170, wherein the voltage of the stationary storage device 170 is less than or equal to the voltage of the power supply network 120th Charging is done in this case by means of the f ⁇ th step-down converter 175th
  • the stationary spoke pure ⁇ direction is loaded from the power supply network 120 170, wherein the voltage of the stationary storage device 170 is greater than or equal to the voltage of the power supply network 120th
  • the charging takes place in this case by means of the second boost converter 185.
  • the first buck converter 175 preferably the first buck converter 175 is permanently turned on.
  • the stationary storage device 170 is discharged into the energy supply network 120, wherein the voltage of the stationary storage device 170 is greater than or equal to the voltage of the energy supply network 120.
  • the unloading takes place in this case by means of the second buck converter 190.
  • the stationary spoke pure ⁇ direction is discharged into the power supply network 120 170, wherein the voltage of the stationary storage device 170 is less than or equal to the voltage of the power supply network 120th
  • the unloading is carried out in this case by means of the f ⁇ th boost converter 180.
  • the second buck converter 190 is preferential ⁇ as permanent effetgesteu ⁇ ert.
  • Memory means 170 may be alternatively charged from the power grid 120 or discharged into the power grid 120, wherein the voltage of the stationary memory means 170 may each be in a range which is both greater and smaller than the voltage of the grid 120 includes. Apart from disturbances, parasitic effects and load-related variations, the voltage of the power supply network 120 may be kept substantially constant.
  • the energy supply network 120 may be connected to the stationary energy storage 105 by means of one of seven different connections 220 to 245. It usually comes use only one of the connections, which will be explained below.
  • the first connection 215 extends to the rectifier 135. This makes it possible for the vehicle 110 even with electrical
  • the mains choke 150 of the stationary energy store 105 can have a smoothing effect on the voltage in the energy supply network 120.
  • the second link 220 extends to a point between the main switch 140 and the precharging device 145. Thereby, it is possible to charge the stationary Speichereinrich- tung 170 by opening the Hauptaschalters 140 to interrup ⁇ chen.
  • the third link 225 extends to a point between the precharging device 145 and the choke 150.
  • the charging function of the stationary Energyspei ⁇ Chers 105 from the power supply system 120 by opening the switch of the precharging device shown can be interrupted 145th
  • the fourth link 230 extends to a point between the choke 150 and the two left actuators 165. If the vehicle 110 power taken from the electric power supply network ⁇ 120 so doing, the choke 150 is bypassed.
  • the fifth connection 235 extends to a point between the two left adjusting elements 165 and the associated end of the adjusting throttle 160. As a result, the first buck converter 175 can be bypassed when the vehicle 110 takes energy from the power supply network 120.
  • the sixth connection 240 extends to the other end of the control throttle 160, with the two right-hand control elements 165 is connected. This variant is only useful if the nominal voltage of the vehicle 110 or 265 is not greater than the voltage of the stationary memory in the defi ⁇ ned state as empty, since the voltage in the vehicle 110 in this case only as large as that of the stationary storage device 170 may be because the boost converter 180 is not effective.
  • the seventh connection 245 extends to a point between the two right-hand control elements 165 and the stationary one
  • the mobile energy storage 115 of the vehicle 110 is verbun ⁇ by means of a vehicle main switch 250 and a vehicle mains choke 255 with the positive sliding contact 125.
  • An intermediate circuit capacitor 260 is parallel to the mobile energy accumulator 115.
  • the main switch 250, the choke 255 and capacitor 260 are not the owing here ⁇ detected charging concept, but are for the vehicle for providing a defined voltage for the traction motors and auxiliary operating devices, even when operating on a conventional catenary or track.
  • a mobile storage device having a parallel connected backup device 270 against overvoltage, wherein the mobile storage device via a third step-down converter 275 or a third boost converter 280 can be charged from the Energyversor ⁇ supply network 120,115,265,265.
  • a control throttle 285 is provided, which forms the setting dividers 275 and 280 in conjunction with
  • the setting dividers 275 and 280 can alternatively be constructed with dedicated adjusting throttles.
  • connection of the control inductor 285 with the control elements 290 is effected by a fuse 295.
  • the structure of the illustrated mobile energy storage 115 substantially corresponds to the structure of the stationary described above
  • the mobile energy store 115 can be charged in a first operating state by means of the third step-down converter 275, the voltage of the mobile energy store 265 being less than or equal to the voltage of the energy supply network 120 or the energy store 170, without the network stations 175 to 190 of the stationary store Energy storage 105 may be needed.
  • the mobile energy storage 265 may be discharged by the third boost converter 280 to apply power to the traction motors and
  • the stored in the mobile energy accumulator 265, electrical energy is preferably for driving the vehicle 110 turns ⁇ ver.
  • the mobile energy storage 265 may also be provided during braking of the vehicle
  • the stationary energy storage 105 may also be charged during braking of the vehicle 110.
  • 2 shows voltage diagrams on the energy system 100 from FIG. 1.
  • a left-hand diagram shows a time profile of the voltage U_SES of the stationary memory device 170.
  • a right-hand diagram shows a time profile of the voltage U_SES at the stationary memory device 170 and a time profile of the voltage U_MES corresponding thereto the mobile memory device 265. To the right, respectively times and upwards voltages are applied.
  • the left graph of Figure 2 shows high a charging curve ⁇ the stationary energy storage device 170.
  • a first temporal portion Tl in which the voltage U_SES the stati ⁇ oncer memory device 170 is smaller than the voltage U_n the power supply system 120 is, the charging of the stationary storage means 170 in the above with reference to FIG 1 described first operating state via the first buck converter 175 the voltage U_SES the stationary storage device 170 exceeds the voltage u_n the power supply system 120, so in a period T2, the stationary SpeI ⁇ cher worn 170 in the second operating state by means of the second boost converter 185 further charged.
  • the right-hand diagram of FIG. 2 shows a discharge curve of the stationary storage device 170 and a corresponding charging curve of the mobile storage device 265.
  • the curves are based on a charging process of the mobile storage device 265 from the stationary storage device 170.
  • the stationary storage device shall be charged to 170 ⁇ next, for example, under the operating conditions described with Be ⁇ train on the left diagram.
  • T3 in which the voltage U_SES of the stationary memory device 170 is greater than a voltage U_MES of the mobile memory device 265, the unloading of the stationary memory device 170 takes place in the mobile memory device 265 in buck converter mode, for example in the third operating state by means of the second buck converter 190.
  • FIG. 3 shows a circuit diagram of a variation of the energy system 100 from FIG. 1.
  • the illustrated energy system 100 differs from the energy system 100 from FIG. 1 in that the upper right control element 165 is missing and thus the second step-down converter 190 is not present.
  • the connections 215 to 245 are not shown and can thus be supplemented as described above with reference to FIG.
  • FIG. 4 shows a circuit diagram of a further variation of the energy system 100 from FIG. 1.
  • the energy system 100 is changed to the effect ⁇ changed from FIG 1 that the third step-down converter 275 on board the vehicle zeugs 110 is omitted.
  • the function of the third step-down converter 275 for example, during the third Radio S ⁇ stands is taken over here by the second downconverter 190 in the stationary energy storage 105th
  • operating parameters from the vehicle 110 in particular with respect to the mobile energy accumulator 265 may be transmitted to the stationary energy storage 105 that are there placed the control is based.
  • the connection 235 has been selected.
  • FIG. 5 shows a circuit diagram of yet another variation of the energy system 100 from FIG. 1.
  • both the first buck converter 175 and the second buck converter 190 are dispensed with.
  • a blocking diode 505 is arranged in the forward direction between the stationary energy storage 105 and the mobile energy storage 115.
  • Blocking diode 505 may be disposed at any point of the energy flow, for instance in stationary Ener ⁇ gie appointment 105, the mobile energy accumulator 115, on board the vehicle 110 or in the area of power supply network 120.
  • the embodiment of the energy system 100 illustrated in FIG 5 may be, for Charging the mobile energy storage 115 can be used from the stationary energy storage 105, as long as the voltage of the power supply network 120 U_N is smaller than a minimum voltage U_SES the stationary storage device 170.
  • FIG. 6 shows a flowchart of a method 600 for STEU ⁇ s of the energy system 100 of FIG 1.
  • the method 600 can also be used for controlling the power system 100, one of the variants of Figures 3 to fifth For this purpose, if necessary, adjustments are required, which are described above with reference to the corresponding variants.
  • a first step 605 the stationary memory device 170 is charged from the power supply network 120 by means of the first buck converter 175, the voltage U_SES of the stationary memory device 170 being below the voltage U_N of the power supply network 120.
  • Step corresponds to the first operating state described above with reference to FIG.
  • the stationary storage device 170 is charged from the energy supply network 120 by means of the second boost converter 185, the voltage U_SES of the stationary storage device 170 being above the voltage U_N of the energy supply network 120.
  • the ⁇ ser step corresponds to the second operating state.
  • step 615 the stationary SpeI ⁇ cher worn 170 is discharged by the second down converter 190 to provide a voltage U_n in the power supply system 120, which is below the voltage U_SES the stationary storage device 170th This step corresponds to the third operating state.
  • step 620 the stationary SpeI ⁇ cher worn 170 is discharged by the first up converter 180 to provide a voltage U_n in the power supply system 120, which is above the voltage U_SES the stationary storage device 170th
  • This step corresponds to the fourth operating state. Transitions between steps 605-620 are typically in the order described, returning to step 605 after step 620. In principle, however, other transitions are possible if necessary, as indicated in Figure 6 by the arrows.

Landscapes

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

Abstract

Accumulateur d'énergie stationnaire pour l'accumulation temporaire d'énergie électrique dans un réseau d'alimentation en énergie stationnaire pour un véhicule électrique, comportant un dispositif accumulateur stationnaire, un premier convertisseur abaisseur pour charger le dispositif accumulateur stationnaire, un premier convertisseur élévateur pour décharger le dispositif accumulateur stationnaire, un deuxième convertisseur élévateur pour charger le dispositif accumulateur stationnaire et un deuxième convertisseur abaisseur pour décharger le dispositif accumulateur stationnaire. Un système énergétique comprend l'accumulateur d'énergie stationnaire et le véhicule électrique, le véhicule comportant un accumulateur d'énergie mobile pour l'accumulation d'énergie d'entraînement électrique et l'accumulateur d'énergie mobile comprenant un dispositif accumulateur mobile qui est conçu pour être chargé à partir du dispositif accumulateur stationnaire. L'invention porte également sur un procédé correspondant et sur un produit programme d'ordinateur correspondant.
PCT/EP2012/059527 2011-05-31 2012-05-23 Alimentation en énergie Ceased WO2012163741A2 (fr)

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DE102011076787A DE102011076787A1 (de) 2011-05-31 2011-05-31 Energieversorgung
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CN112203914A (zh) * 2018-06-13 2021-01-08 罗伯特·博世有限公司 用于车辆的紧急能量存储器
CN113193639A (zh) * 2021-04-07 2021-07-30 宝武清洁能源有限公司 一种固定与移动组合式光伏储能供能系统

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DE102013218601A1 (de) 2013-09-17 2015-04-02 Siemens Aktiengesellschaft Energiespeicheranordnung, Energiespeichersystem und Verfahren für das Betreiben einer Energiespeicheranordnung
DE102016211387A1 (de) * 2016-06-24 2017-12-28 Siemens Aktiengesellschaft Ladevorrichtung
FR3055840B1 (fr) * 2016-09-15 2018-10-05 Alstom Transp Tech Reseau de transport public a gestion d'energie electrique optimisee

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DE102011076787A1 (de) 2012-12-06
WO2012163741A3 (fr) 2014-08-28

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