WO2022189183A1 - Zuweisen elektrischer energie zu einer gruppe von elektrischen energiespeichern - Google Patents
Zuweisen elektrischer energie zu einer gruppe von elektrischen energiespeichern Download PDFInfo
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- WO2022189183A1 WO2022189183A1 PCT/EP2022/054971 EP2022054971W WO2022189183A1 WO 2022189183 A1 WO2022189183 A1 WO 2022189183A1 EP 2022054971 W EP2022054971 W EP 2022054971W WO 2022189183 A1 WO2022189183 A1 WO 2022189183A1
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- instance
- energy
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- load profile
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- Prior art date
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- 238000000034 method Methods 0.000 claims abstract description 33
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 7
- 238000004146 energy storage Methods 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001771 impaired effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/63—Monitoring or controlling charging stations in response to network capacity
-
- 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
- B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
- H02J3/322—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
-
- 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
- B60L2260/00—Operating Modes
- B60L2260/40—Control modes
- B60L2260/50—Control modes by future state prediction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- 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]
Definitions
- the invention relates to a method for allocating electrical energy to a group of electrical energy stores by charging and/or discharging.
- the invention also relates to a corresponding energy control system.
- the invention can be applied particularly advantageously to a group ("fleet") of electric vehicles with integrated, bidirectional charging technology.
- V2G vehicle to-Grid
- the object is achieved by a method for assigning electrical energy to a group of electrical energy stores in which
- the second instance trades an amount of energy corresponding to the forecast load profile for the forecast period (i.e. buys and/or sells or completely generally used for optimization in a suitable marketplace, possibly only as an option, etc.),
- the first instance forecasts an aggregated load profile range for the remaining period of the forecast period during the forecast period that has then occurred, in particular taking into account the charging or load processes of the energy storage devices that have actually been carried out during the forecast period up to that point, and reports it to the second instance,
- the second instance determines an optimized aggregated load profile from the reported load profile range and requests it from the first instance and
- the first instance disaggregates the optimized load profile to individual load profiles for the energy stores controlled by it and controls the energy stores or their charging processes on the basis of the associated individual load profiles.
- this method advantageously uses scaling effects in order to improve their economic efficiency, in particular because minimum amounts of tradable electrical energy can be provided, which make energy distribution more efficient.
- previously forecast aggregated load profiles or the associated forecast quantity of electrical energy or line can be updated during the forecast period on the basis of actual user behavior.
- the resulting energy difference can be re-traded by the second instance, in particular in such a way that the amount of energy that is then actually drawn and distributed to the energy stores results in a price advantage.
- the forecast period can, for example, correspond to a following day or a following week, in particular the day following the day on which the aggregated load profile was reported.
- the fact that the first entity controls or can control individual load profiles of the group of energy stores includes, in one development, that the first entity can control a charging operation of the individual energy stores. This includes the first instance being able to charge and also discharge the energy stores.
- the "aggregated" load profile corresponds to a summary, in particular an addition, of the load profiles of the individual energy stores. This can also be viewed in such a way that the load profiles of the individual energy storage devices are bundled and viewed as a "pool” or "overall battery".
- a load profile can, for example, in the form of a curve or a table, correspond to the electrical energy or power demand required for the forecast period, e.g. for the following day, depending on time windows in the forecast period, for example a quarter of an hour, an hour, etc
- the load profile can therefore correspond, for example, to a list of the respective energy or power requirements for the 96 quarter-hour time windows of the next day.
- the energy or power requirement can correspond to an expected energy or power consumption of the energy store and possibly to an amount of energy or power that can be called up by the energy store.
- the forecast of the aggregated load profile for a later forecast period can be derived, for example, on the basis of an at least approximately known charging behavior of the energy storage devices derived from historical data, from charging conditions requested by the user, charging contracts and other boundary conditions. Forecasting is fundamentally known and is therefore not discussed further here.
- the second entity can be, for example, an energy supplier, an energy trader, the first entity, and so on.
- the second instance can buy a quantity of energy or energy profile that corresponds to the forecast aggregated charging process over time, e.g. on an energy market, e.g. a spot market (e.g. EPEX or similar) or directly from another suitable marketplace or participant in the energy market.
- a spot market e.g. EPEX or similar
- the fact that the second instance trades the amount of energy corresponding to the forecast load profile for the forecast period can include buying and/or selling.
- an aggregated load profile range for the remaining period of the forecast period forecast and reported to the second instance corresponds to an update of the load profile for the forecast period, eg for the next day that then began, based on the then actually occurring charging behavior of the energy storage considered.
- a “load profile band” is understood to mean a load profile that has a certain width for each time window, which can also be referred to as a "load profile with flexibility". This width corresponds to an energy bandwidth that is fundamentally available for the respective remaining time window for the second instance. If, for example, it has been found that a certain energy storage device was not used, contrary to the original forecast, the unused energy can be made available to the second instance, e.g. for sale during a period with a high electricity price and buyback during a period with a low one electricity price.
- the bandwidth is determined by the first instance in a way that is basically known, e.g. by using a target function.
- the load range can also be referred to as the load range.
- the fact that the second instance determines an optimized aggregated load profile from the reported load profile range includes in particular that the second instance in accordance with certain criteria, e.g. a price optimization that can be achieved through trading on a suitable energy market, e.g. the intraday market (EPEX). , selects or defines a specific load profile from the available load profile range. This optimized load profile or the difference to the originally forecast load profile is requested by the first instance. Determining can also include concrete action (buying, selling) of the relevant amounts of energy.
- certain criteria e.g. a price optimization that can be achieved through trading on a suitable energy market, e.g. the intraday market (EPEX).
- the first instance distributes or disaggregates the optimized load profile to individual load profiles for the energy storage devices it controls and correspondingly controls charging processes for the energy storage devices on the basis of the associated individual load profiles.
- the group of electrical energy stores includes a fleet of electric vehicles, several of which are provided for bidirectional power transmission. At least some of the electric vehicles can therefore be V2G-capable in combination with their charging stations.
- the forecast of the aggregated load profile for a later forecast period can then also take into account known mobility requirements of the users of the electric vehicles.
- the electric vehicles may be plug-in hybrid electric vehicles (PHEV), fuel cell electric vehicles (FCHV), or battery electric vehicles (BEV).
- the energy storage devices can be, for example, electrochemical energy storage devices such as batteries, fuel cells, etc.
- electric vehicles and the electrical energy storage devices they contain can also be used synonymously, provided nothing to the contrary results from the context.
- the first instance can be a manufacturer of the electric vehicles or a fleet operator.
- the group of electrical energy stores can include other energy stores such as chargeable ones, e.g. stationary electrical energy stores.
- the update can be carried out again using steps (c) to (e) for each time window of the forecast period that has occurred. In this way, the amount of energy can be optimized particularly efficiently and continuously.
- step (a) the first entity forecasts an aggregated load profile range for this energy storage device and reports it to a second entity
- step (b) the second entity reports an optimized aggregated load profile from the load profile range forecast in step (a). determines a corresponding amount of energy and reports the optimized aggregated load profile to the first instance.
- the original forecast by the second instance can be determined or fixed using certain criteria such as fluctuating energy prices during the forecast period.
- the group of energy storage devices includes a fleet of electric vehicles, several of which are provided for bidirectional power transmission, in which case in step (e) the first instance reduces the optimized load profile to individual load profiles for the energy storage device that it controls disaggregated that the mobility requirements of the individual electric vehicles are not impaired. This has the advantage that load profiles can be optimized without restricting the mobility of the vehicle user.
- care can be taken to ensure that when an energy store discharges, the vehicle's state of charge does not fall below a predetermined, eg contractually guaranteed, minimum state of charge, or that the energy store is recharged by a probable time of use. If, for example, it is known from historical data that a specific electric vehicle is only driven between 8 a.m. and 9 a.m. and then again between 5 p.m. and 6 p.m. on weekdays, the first instance can discharge the energy storage device between these periods when electricity prices are high and again when electricity prices are low charging, with particular attention being paid to never falling below a minimum charge level.
- a predetermined eg contractually guaranteed, minimum state of charge
- step (d) the optimized, aggregated load profile is only requested by the first instance if the associated amount of energy reaches or exceeds a specified minimum amount of energy. What is achieved in this way is that in step (d) an optimization of the energy quantity is carried out particularly efficiently, since it is only carried out if tradable minimum energy quantities are also reached.
- the second entity includes two different entities, namely a first second entity ("marketer or aggregator entity”) and a second second entity ("energy supplier").
- the steps carried out in the method by the second instance can then in principle be carried out as desired by the aggregator instance and/or the energy supplier.
- the aggregator entity can be a broker, marketer or trading entity.
- the aggregator instance is set up or intended in particular to aggregate and then market an entire portfolio of customers, ie not just from the first instance described above.
- the first instance in step (a) can report the aggregated load profile to the energy supplier, which in step (b) trades the corresponding amount of energy, while the first instance in step (c) reports to the aggregator instance, which in step (d) reports a optimized aggregate load profile, including the trading of the associated amounts of energy on the energy market.
- the traded amounts of energy can then be forwarded to the energy supplier.
- the aggregator instance only calculates the optimized aggregated load profile as an option and reports it to the energy supplier, who then trades (ie buys and/or sells) an amount of energy according to the optimized aggregated load profile on the energy market.
- the second instance can also only include the aggregator instance or the energy supplier.
- the second entity comprises an aggregator entity and/or an energy supplier.
- the request for the amount of energy determined in step (d) according to the optimized aggregated load profile can also be requested by the aggregator instance or by the energy supplier from the first instance.
- the amounts of energy supplied and withdrawn by the energy supplier at the grid connection point to supply the energy storage devices (in particular electric vehicles or their charging stations) and any other consumers can be tracked in particular via networked intelligent measuring systems (so-called “smart meters”).
- the object is also achieved by an energy control system having at least one first entity that is set up to carry out steps (a), (c) and (e) of the method as described above.
- the energy control system can be designed analogously to the method and has the same advantages.
- Figure 1 shows a schematic of a power distribution system for allocating electrical power to a fleet of electric vehicles
- Figure 2 shows a possible process for allocating electrical energy to a fleet of electric vehicles
- Figure 5 shows an alternative possible process for allocating electrical energy to a fleet of electric vehicles
- Figure 1 shows a sketch of a power distribution system for allocating electrical power to a fleet of electric vehicles E1, E2, ... En.
- the electric vehicles E1 to En are connectable to charging stations L1, L2, ... Ln and then to the bi-directional power line device provided, e.g. according to V2G technology.
- the individual load profiles including charging and discharging of the electric vehicles E1 to En can be controlled using a first entity INST1, which corresponds to the manufacturer of the electric vehicles E1 to En here, for example.
- the first instance Instl is set up to forecast an aggregated or summarized or "pooled" load profile of these electric vehicles E1 to En, e.g. on the basis of previous user behavior and other boundary conditions.
- the first entity INST1 is coupled in terms of data technology to a unit entity INST2-1, which is set up to trade amounts of electrical energy on an energy market EM, for example a spot market, in particular to buy and sell amounts of energy at specific times. In a further development, purchases and sales can only be made from a certain minimum quantity.
- the aggregate instance INST2-1 corresponds in particular to an energy broker or trader. It is generally easier to achieve minimum quantities the more electric vehicles E1 to En or their load profiles are controlled by the first instance. For example, n may be in the range of hundreds, thousands, tens of thousands, hundreds of thousands, or even more electric vehicles E1 through En.
- the first instance INST 1 is also data-linked to an energy supplier INST2-2, which supplies the electrical energy from a power grid to the charging stations L1 to Ln and on to the electric vehicles E1 to En for charging them and energy drawn from the electric vehicles E1 to En can feed into the power grid.
- the actual amount of energy (electricity or power) that has flowed is tracked by the energy supplier INST2-2 or by a measuring point operator commissioned by him (not shown).
- the energy supplier INST2-2 is in particular a market participant who can and may supply end customers with energy.
- the energy supplier INST2-2 is also linked to the aggregator instance INST2-1 in terms of data technology and can optionally also be linked in terms of data technology to the energy market EM.
- a step S1 on a previous day T-1, the first instance INST1 predicts an aggregated load profile for the electric vehicles from the probable individual charging processes for the next day T, and in a step S2 it is sent to the energy suppliers INST2-2 on the previous day T-1 reported.
- FIG. 3 shows a sketch of such a predicted aggregated load profile PLG as a plot of an amount of energy E or power P over the time of the next day in quarter-hour time windows. Consequently, there are 96 time windows, to which a respective predicted aggregated amount of energy is assigned. In the present case, this amount of energy corresponds to the forecast aggregated probable energy consumption at the charging stations L1 to Ln. As indicated, for example, at the beginning of the day T, the energy consumption is initially close to zero, then increases when users go to work or to the ok
- an energy profile can be reported, which also includes electrical energy that is available from the electric vehicles E1 to En via the charging stations L1 to Ln (not shown). In this case, the amounts of energy can also become negative.
- the energy supplier INST2-2 buys a time-distributed amount of energy for the next day T, which corresponds to the reported load profile, on the previous day T-1 on the energy market EM.
- the energy supplier INST2-2 can also sell energy E or power P present in batteries of the electric vehicles E1 to En on the energy market EM when it is likely not to be used, but in such a way that the mobility of the electric vehicles E1 to En is not restricted. For example, if electricity is more expensive between midnight and 2 a.m. than between 2 a.m. and 4 a.m., the energy supplier INST2-2 can sell a certain amount of energy stored in the batteries of the electric vehicles E1 to En between 12 a.m. and 2 a.m. and the electric vehicles E1 to En discharged accordingly and recharged between 2 a.m. and 4 a.m., which can result in a financial benefit without having a negative impact on the mobility needs of vehicle operators.
- the first instance INST 1 forecasts in a step S4 every past quarter of an hour for the then remaining time of day T based on the actual charging behavior or the actual load processes of the electric vehicles E1 until En updated aggregated Load range LGB.
- the load profile band LGB no longer includes just one value per time window, but rather an energy band calculated by the first instance INST1 using a target function, which includes a minimum and maximum amount of energy available for trading for the associated time window. 4 shows a sketch of such a load profile band LGB.
- the first entity INST1 reports or transmits the load profile range LGB to the aggregator INST2-1 in a step S5.
- the aggregator instance INST2-1 looks for or determines a specific load profile LGO indicated by dashed lines in FIG. which is optimized with regard to certain criteria, e.g. low electricity prices.
- the aggregator entity INST2-1 completes a corresponding trade with the energy market EM by determining the optimized load profile LGO.
- the aggregator instance INST2-1 requests the optimized load profile LGO from the first instance INST1, i.e. the first instance reports the optimized load profile LGO and the first instance INST 1 expects the load profiles of the electric vehicles E1 to En controls in such a way that the amounts of energy belonging to the optimized load profile LGO are actually exchanged, that is to say are taken from or delivered to the electric vehicles E1 to En, in particular via the energy suppliers INST2-2.
- the first entity INST1 divides the optimized load profile LGO into individual load profiles for the electric vehicles E1 to En controlled by it or “disaggregates” them and controls the individual load profiles for the electric vehicles E1 to En accordingly.
- the aggregator entity INST2-1 can also report the optimized load profile LGO or a difference to the last valid aggregated load profile to the energy supplier INST2-2, which ensures balancing group balancing. This step is particularly necessary if INST2 are two different market players.
- Steps S3 to S9 can, as already indicated above for step S4, be carried out again for each time window of the current day T.
- the above steps do not all need to be performed in the order described.
- steps S7 and S9 can also be carried out in reverse order or simultaneously.
- the above entities INST1, INST2-1, INST2-2 can also be different entities, e.g. economically and/or organizationally separate entities.
- at least two of the entities INST1, INST2-1, INST2-2 can be combined into one entity, e.g. the aggregator entity INST2-1 and the energy supplier INST2-2 can be a single second entity.
- the first entity INST 1, for example, can also include an aggregator entity INST2-1, e.g. itself also act as an energy trader or broker.
- This method uses the same daily steps S4 to S8 or S9 as the method described under FIG. 2, but differs in the determination of the load transition on the previous day. In the present case, this is determined similarly to the optimized load profile LGO of the method described under Fig. 2:
- the first entity INST1 already determines on the previous day T-1 a load profile band, e.g. determined analogously to the long band line LGB, and reports it to the aggregator entity INST2-1 in a step S2'.
- a load profile band e.g. determined analogously to the long band line LGB
- step S3' the aggregator entity INST2-1 selects an optimized load profile from this load profile range by comparison with the energy market EM, analogously to step S6, and reports this back to the first entity INST1 in a step S3A.
- the aggregator entity INST2-1 can already have traded the corresponding amounts of energy on the energy market EM. It can also report the optimized load profile to the energy supplier.
- the aggregator instance INST2-1 reports the optimized load profile to the energy supplier INST2-2, which can conclude the corresponding trade.
- a numerical specification can also include exactly the specified number as well as a customary tolerance range, as long as this is not explicitly excluded.
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
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CN202280019154.8A CN116964887A (zh) | 2021-03-08 | 2022-02-28 | 分配电能给一组电气蓄能器 |
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DE102021105460.5 | 2021-03-08 | ||
DE102021105460.5A DE102021105460A1 (de) | 2021-03-08 | 2021-03-08 | Zuweisen elektrischer Energie zu einer Gruppe von elektrischen Energiespeichern |
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CN (1) | CN116964887A (de) |
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WO (1) | WO2022189183A1 (de) |
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DE102009036816A1 (de) * | 2009-08-10 | 2011-02-17 | Rwe Ag | Steuerung von Ladestationen |
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2021
- 2021-03-08 DE DE102021105460.5A patent/DE102021105460A1/de active Pending
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- 2022-02-28 CN CN202280019154.8A patent/CN116964887A/zh active Pending
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DE102009036816A1 (de) * | 2009-08-10 | 2011-02-17 | Rwe Ag | Steuerung von Ladestationen |
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