EP4315549A1 - Verfahren und vorrichtung zum zuordnen von elektrischem strom zu einer stromerzeugungseinheit, computerprogrammprodukt und speichermittel - Google Patents
Verfahren und vorrichtung zum zuordnen von elektrischem strom zu einer stromerzeugungseinheit, computerprogrammprodukt und speichermittelInfo
- Publication number
- EP4315549A1 EP4315549A1 EP22734502.2A EP22734502A EP4315549A1 EP 4315549 A1 EP4315549 A1 EP 4315549A1 EP 22734502 A EP22734502 A EP 22734502A EP 4315549 A1 EP4315549 A1 EP 4315549A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- current
- generation unit
- power
- electricity
- power generation
- 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.)
- Pending
Links
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
- H02J3/38—Arrangements for feeding a single network from two or more generators or sources in parallel; Arrangements for feeding already energised networks from additional generators or sources in parallel
- H02J3/381—Dispersed generators
-
- 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
- H02J3/38—Arrangements for feeding a single network from two or more generators or sources in parallel; Arrangements for feeding already energised networks from additional generators or sources in parallel
- H02J3/46—Controlling the sharing of generated power between the generators, sources or networks
- H02J3/48—Controlling the sharing of active 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
- H02J2101/00—Supply or distribution of decentralised, dispersed or local electric power generation
- H02J2101/40—Hybrid power plants, i.e. a plurality of different generation technologies being operated at one power plant
Definitions
- the present invention relates to a method and a device for allocating electrical power to a power generation unit and in particular for allocating electrical currents to different power generation units in a power grid.
- the invention also relates to a computer program product for carrying out such a method and a storage medium on which such a computer program product is stored.
- Functional units can include power generation units such as coal-fired power plants, hydroelectric power plants, Wind power plants or wind farms, solar power plants or solar parks and nuclear power plants, electricity consumers such as industrial plants, private households and individual electrical appliances as well as various switching and conversion units for conducting and converting the current or corresponding electrical signals are understood.
- power generation units such as coal-fired power plants, hydroelectric power plants, Wind power plants or wind farms, solar power plants or solar parks and nuclear power plants
- electricity consumers such as industrial plants, private households and individual electrical appliances as well as various switching and conversion units for conducting and converting the current or corresponding electrical signals are understood.
- An electricity supplier can offer a certain type of electricity to an electricity consumer or electricity consumer.
- the object of the present invention is to at least partially take account of the problems described above.
- the further stream can be understood to mean at least one further stream, ie stream from at least one further power generation unit.
- the method is not limited to evaluating power from only two power generation units.
- the first power generation unit is spaced apart from the further power generation unit.
- the first power generation unit as a power plant or a corresponding power generation unit and/or power source at a location, for example in a city or in a district
- the further power generation unit as a power plant or a corresponding power generation unit and/or power source be understood in a different place, for example in a different city or in a different part of the city.
- the power grid may include a high-voltage power grid, a medium-voltage power grid, and/or a low-voltage power grid.
- the power grid is therefore preferably to be understood as meaning a cross-location power grid, ie in particular not a domestic power grid or a power grid within an electrical device.
- the electricity can be assigned to the associated electricity generation unit on the basis of or using the respective electricity signature.
- the power does not have to be assigned to a power generation unit solely on the basis of the respective power signature.
- Assigning can be understood to mean bringing the electricity generated into connection with the associated electricity generation unit. In other words, it is determined using the respective current signature, in particular remote from the respective power generation unit, for example in the case of a power consumer and/or a device decentralized by the power generation unit, which power was generated by which power generation unit.
- the determination result or the corresponding association can be stored and/or buffered in a computer-readable memory and used for further method steps, for example for displaying the determined association remote from the power generation units.
- a current signature can be understood as a time course of the respective current.
- a current signature can also be defined by a specific current strength at a specific point in time and/or over a specific period of time.
- the current signature can be evaluated directly or indirectly to assign the current. This means that, for example, current signatures of output signals from a converter can also be evaluated.
- Current signatures of output signals from a converter can be understood to mean time profiles of electrical currents that are output by the converter for the power supply of an electrical load. In order to assign the respective stream, it or the corresponding stream output signals can be analyzed.
- a transformation of the respective current signature can also be carried out as part of the analysis or evaluation of a current signature. Subsequently, the transformed current signature in at least one Frequency band are evaluated.
- the current signature can be transformed at least by means of a Fourier transformation, in particular by means of a fast Fourier transformation (FFT).
- FFT fast Fourier transformation
- the transformation can be performed using a filter function.
- the use of a Fourier transformation and/or a fast Fourier transformation enables the current to be assigned precisely to the associated current generation unit, for example using predefined and/or predefinable changes in the Fourier spectrum of the recorded output or current signals.
- the use of a filter function advantageously enables interference signals to be filtered out and thereby simplifies the analysis of the Fourier spectrum.
- Evaluating the electrical current can be understood to mean analyzing the electrical current and/or corresponding current and/or output signals. In particular, electric power or corresponding power and/or output signals from different power generation units or different power sources are evaluated.
- the first current signature is evaluated for assigning a current type to the first current and/or for the further current signature to be evaluated for assigning a current type for the further current.
- conclusions can not only be drawn about the current generation unit, but also about the type of current generated by the respective current generation unit.
- the electricity signature it can be determined and/or assigned, for example, whether the electricity was generated using wind power, nuclear power, solar energy or hydropower. With this knowledge, the electricity generated can be managed or used and/or distributed in a particularly advantageous manner.
- the type of current can be determined in a particularly simple and reliable manner by using the current signature.
- At least one reference current signature can be provided in a method according to the present invention, with the first current being assigned a current type based on a comparison between the first current signature and the reference current signature and/or the further current being assigned a current type based on a Comparison between the further current signature and the reference current signature is assigned.
- a comparison between the first current signature and a first reference current signature and a comparison between the further current signature and a further reference current signature can be carried out.
- the first current signature and/or the further current signature can be compared with a number of different reference current signatures, for example with reference current signatures for current generated using wind power, hydropower, nuclear power, solar energy and coal-fired power.
- the first electricity was generated by wind power, for example, and has a corresponding electricity signature
- this can be found out by comparisons with a wind power reference electricity signature, a hydroelectric power reference electricity signature, a nuclear power reference electricity signature and/or a solar energy reference electricity signature will.
- the type of current involved can be determined easily, quickly and with a high level of certainty.
- a comparison can also be understood as carrying out a calculation for assigning the respective type of current using the at least one reference current signature.
- a geoposition of the first electricity generation unit and/or a geoposition of the additional electricity generation unit is determined and/or provided and when assigning the first electricity to the first electricity generation unit and/or when assigning the additional electricity to the additional electricity generation unit.
- Geoposition of the first power generation unit and / or the geoposition of the other power generation unit are used.
- the geoposition can be understood to mean a location and/or a position of the respective power generation unit defined, for example, by means of coordinates.
- the electricity can not only be assigned to a wind farm, but to a specific wind farm at a certain location. This knowledge can also be advantageous for the further use and/or distribution of the electricity generated in this wind farm.
- a GPS time of the first power generation unit and/or a GPS time of the further power generation unit can also be determined and/or provided and when assigning the first current to the first current generation unit and/or when assigning the further current to the further current generation unit.
- a method to determine weather conditions at a time when the first electricity is generated in the area of the first electricity generation unit and/or weather conditions at a time when electricity is generated for the further electricity in the area of the further electricity generation unit and /or are provided and when assigning the first power to the first power generation unit and/or when assigning the additional power to the additional power generation unit, the weather conditions in the area of the first power generation unit and/or the weather conditions in the area of the additional power generation unit are taken into account and/or used. Weather conditions can be used to verify the mapping performed.
- the electricity signature determined indicates that large amounts of electricity should come from a wind farm, but according to the ascertained and/or provided weather conditions there is no calm in the area in question, an error in the allocation of the electricity can be concluded and/or a check of the assignment can then be initiated.
- high current values can be confirmed by recognizing a stormy day. In this way, the respective current can be assigned in a particularly reliable and/or error-resistant manner.
- the first stream and/or the further stream can be offered to a power consumer in a method according to the invention depending on the assignment to the respective power generation unit.
- the use and/or distribution of the current can thus advantageously be automated.
- green electricity generated by wind power, solar energy and/or hydroelectric power can, for example, be sent exclusively to predefined households and/or electricity consumers and/or be offered to them.
- Offering can be understood as meaning a human-perceptible and/or computer-readable offering.
- the first current and/or the further current is used by a current consumer depending on the assignment to the respective current generation unit.
- the electricity can only be used and/or further distributed if it was generated from a renewable energy source, for example by means of wind power in a wind turbine.
- a geoposition of the first electricity generation unit and/or the additional electricity generation unit can also be determined and/or provided, with the first electricity and/or the additional electricity depending on the geoposition of the first electricity generation unit and/or depending on the geoposition of the others Power generation unit offered to the electricity consumer and / or used by electricity consumers.
- the use and/or the distribution of the current can advantageously be automated.
- a specific current and/or a specific type of current from a specific region can only be offered to households and/or electricity consumers in a specific region, for example the same region, and/or a correspondingly predefined or predefinable region.
- a current time it is possible for a current time to be determined or provided and the first current and/or the further current to be offered to the electricity consumer and/or used by the electricity consumer depending on the current time.
- This also represents a means of advantageously automating the targeted use of electricity and/or electricity distribution.
- electricity consumers can no longer be offered electricity from a solar park in the evening and/or just before sunset, since it can be assumed that they will not be able to do so in the near future or can no longer supply sufficient power.
- a hydroelectric power station can be mentioned as a further example, in which the supply and/or distribution of electricity can be regulated depending on dam opening times.
- weather conditions can be determined and/or provided at a point in time when power is generated for the first power in the area of the first power generation unit and/or weather conditions at a point in time when power is generated for the further power in the area of the further power generation unit, with the first power and/or or the further current depending on the weather conditions in the area of the first power generation unit and/or depending on the Weather conditions in the area of the further power generation unit are offered to the power consumer and/or used by the power consumer.
- a targeted use of electricity and/or electricity distribution can also be advantageously automated in this way. For example, only electricity from a wind park on particularly windy days and/or only electricity from a solar park on particularly sunny days can be offered and/or used. A particularly effective and efficient use of electricity can thus be achieved. In addition, this can prevent or at least reduce problems and/or damage in power generation units caused by undesired peak loads.
- an allocation of electric power to one or at least one power generation unit is provided.
- the device includes:
- a determination unit for determining a first current signature of a first electrical current that is generated by a first current generation unit and for determining a further current signature of a further electrical current that is generated by a further current generation unit
- an evaluation unit for evaluating the determined first current signature and the determined further current signature for assigning the first current to the first current generation unit and/or for assigning the further current to the further current generation unit.
- the device is configured and designed in particular for carrying out a method as described in detail above.
- the device according to the invention thus brings with it the same advantages as have been described in detail with reference to the method according to the invention.
- the assignment can be carried out by the evaluation unit.
- the device can have an assignment unit for carrying out the respective assignment.
- the evaluation unit can be configured such that the first current signature is evaluated to assign a current type to the first current and/or the additional current signature is evaluated to assign a current type to the additional current.
- the device can have a comparison unit for comparing the respective current signature have at least one reference current signature, wherein the evaluation unit can be configured to assign a current type to the first current based on a comparison between the first current signature and the at least one reference current signature and/or to assign a current type to the further current based on a comparison between the further current signature and which is associated with at least one reference current signature.
- the evaluation unit can also be configured when allocating the first stream to the first
- the evaluation unit can be configured in such a way that when assigning the first stream to the first power generation unit and/or when assigning the further stream to the further power generation unit, the weather conditions in the area of the first
- the device and/or an electricity provider unit of the device can be configured to supply the first electricity and/or the additional electricity to an electricity consumer depending on the assignment to the respective electricity generation unit, depending on the geoposition of the first electricity generation unit, depending on the geoposition of the additional electricity generation unit to offer, use and/or distribute to the electricity consumer based on the current time, depending on the weather conditions in the area of the first power generation unit and/or depending on the weather conditions in the area of the further power generation unit.
- the determination unit can be configured to determine the respective geo-position, the respective weather conditions and/or the respective time.
- a device may further comprise a display unit for displaying the first power generated with respect to the first power generation unit and/or for displaying the further power generated with respect to the further power generation unit.
- a display unit for displaying the first power generated with respect to the first power generation unit and/or for displaying the further power generated with respect to the further power generation unit.
- This can be understood to mean, for example, the display of the first current as current generated by wind power with a visual and/or computer-readable reference to the specific wind turbine in which the current was generated.
- Below the display unit can be a display at a gas station and/or charging station for showing the different types of electricity from different associated power plants and/or a display of a mobile device and/or a corresponding visualization from an app or website.
- a particularly economical power distribution and/or use of power can be achieved in this way.
- Types of electricity to be preferred from a technical point of view and/or electricity from specific electricity generation units to be preferred can be highlighted and/or identified by the display means for the perception of the user and/or a computing unit.
- the device and/or the display means can be configured accordingly. Preference is given to electricity, a type of electricity and/or an electricity generation unit, for example when a particularly large amount of electricity is available from this electricity, this type of electricity and/or in this electricity generation unit or a corresponding amount of electricity is generated. In this way, peak loads and consequent damage to the power generation units can be prevented or reduced.
- a computer program product which comprises instructions which cause a device as described in detail above to execute the method described.
- a computer-readable, in particular non-volatile storage medium is made available, on which such a computer program product is stored.
- a further aspect of the invention relates to a computer program product, comprising instructions which cause that with a as described above.
- the computer program product may be implemented as computer-readable instruction code in any suitable machine and/or programming language, such as JAVA, C++, C, Assembler, C#, and/or Python.
- the computer program product can be stored on a storage medium such as a data disk, a removable drive, or a built-in memory/processor.
- the instruction code can program a computer or other programmable device, such as a controller, to perform the desired functions.
- the computer program product can be and/or be provided on a network such as the Internet, from which it can be downloaded by a user when required.
- the computer program product can be used both by means of software and by means of one or more special electronic circuits, the means to be and/or to be implemented in hardware or in any hybrid form, i.e. by means of software components and hardware components.
- FIG. 1 shows a block diagram for describing the function of a device according to a preferred embodiment of the present invention
- FIG. 2 shows a block diagram for describing the function of a display unit according to the invention
- FIG. 3 shows a block diagram for representing a memory means according to the invention
- FIG. 4 shows a flow chart for explaining a method according to the invention.
- Fig. 1 shows a device 20 for assigning electric power or electric currents to different power generation units 11, 12, 13. More specifically, the device 20 is for assigning a first power to a first power generation unit 11 and a second power to a second power generation unit 12 and a third power to a third power generation unit 13 is configured.
- the device 20 has a determination unit 31 for determining a first current signature 14 of the first electric current in a first power line 24, which is generated by the first current generation unit 11, for determining a second current signature 15 of a second electric current in a second power line 25, which is generated by the second power generation unit 12 and for determining a third power signature 16 of an electrical third current in a third power line 26, which is generated by the third power generation unit 13.
- device 20 has an evaluation unit 32 for evaluating the determined first current signature 14 for assigning the first current to the first current generation unit 11, for evaluating the determined second current signature 15 for assigning the second current for the second current generation unit 12 and for evaluating the determined third current signature 16 Assigning the third power to the third power generation unit 13 on.
- the device 20 can be viewed as a computer and/or control device with a computer program product 33 installed therein, the computer program product 33 being implemented for executing, in particular for automatically executing, the functions of the device 20 .
- the first power generation unit 11 is a wind farm
- the second power generation unit 12 is a solar farm
- the third power generation unit 13 is a nuclear power plant.
- Each power generation unit 11 , 12 , 13 transmits a specific power signature 14 , 15 , 16 which can be determined by the determination device 31 and evaluated by the evaluation unit 32 .
- the device 20 shown in FIG. 1 also has a display unit 36 through which the current signatures 14 , 15 , 16 evaluated by the evaluation unit 32 and the associated currents are assigned to the respective current generation units 11 , 12 , 13 .
- the display unit 36 is shown in more detail in FIG.
- the display unit 36 in FIG. 2 can be provided at a gas station as a display or on the display of a charging station or in a smart device as a display or on the display as a visualized display unit 36 of a correspondingly programmed app and/or website.
- the various currents and in particular the current types 21, 22, 23 can be assigned to the different current generation units 11, 12, 13 by the display unit 36 in such a way that they are displayed side by side and for an observer with a clear relationship to one another.
- the first type of electricity 21 generated by wind energy can be assigned to a first pictogram 1 T of the first electricity generation unit 11
- second type of electricity 22 generated by solar energy can be assigned to a second icon 12 ′ of the second electricity generation unit 12
- the third type of electricity 23 generated by nuclear power can be assigned to a third icon 13 ′ of the third electricity generation unit 13 .
- Fig. 3 shows a computer-readable and non-volatile storage medium 34 with a computer program product 33 stored thereon.
- the computer program product 33 is configured to carry out a method for assigning electric currents to different current generation units 11, 12, 13, which is then explained with reference to Figures 1 and 4 is explained.
- Power generation unit 11 is generated, a second current signature 15 of a second electrical current that is generated by the second power generation unit 13 and a third current signature 16 of a third electrical current that is generated by the third
- Power generation unit 13 is generated determined.
- the current signatures 14, 15, 16 determined are evaluated in order to assign the respective currents to the associated current generation units 11, 12, 13.
- the streams are now offered depending on the assignment to the respective power generation unit 11, 12, 13 and/or used by a power consumer. For example, electricity is only offered to a certain household as a possible electricity consumer or is only used and/or consumed by it if it was generated from renewable energies, ie for example by means of wind power, hydropower and/or solar energy.
- At least one reference current signature can thus be provided, with a first current being assigned a current type 21, 22, 23 based on a comparison between a first current signature 14 and the at least one reference current signature and/or a further current being assigned a current type 21, 22, 23 is assigned based on a comparison between a further current signature 15, 16 and the at least one reference current signature.
- a geoposition of the first power generation unit 11 and/or a geoposition of another Power generation unit 12, 13 are determined and/or made available, with the geoposition of the first power generation unit 11 and/or the geoposition of the further power generation unit 12 being determined when the first power is assigned to the first power generation unit 11 and/or when the further power is assigned to the further power generation unit 12, 13 , 13 can be used.
- weather conditions at a point in time when power is generated for the first power in the area of the first power generation unit 11 and/or weather conditions at a point in time when power is generated for a further power in the area of a further power generation unit 12, 13 are determined and/or provided and when assigning the first stream to the first power generation unit 11 and/or when assigning a further stream to a further power generation unit 12, 13, the weather conditions in the area of the first power generation unit 11 and/or the weather conditions in the area of the further power generation unit 12, 13 are taken into account.
- a geoposition of the first power generation unit 11 and/or a further power generation unit 12, 13 can be determined and/or provided, with the first power and/or the further power depending on the geoposition of the first power generation unit 11 and/or depending on the geoposition the other power generation unit 12, 13 offered to the electricity consumer and / or used by the electricity consumer.
- a current time can be determined or provided in a method, with the first stream and/or a further stream being offered to the electricity consumer and/or used by the electricity consumer depending on the current time.
- weather conditions at a point in time when power is generated from the first power source in the area of the first power generation unit 11 and/or weather conditions at a point in time when power is generated for a further power source in the area of a further power generation unit 12, 13 to be determined and/or provided and the first current and/or the further current are offered to the electricity consumer and/or used by the electricity consumer depending on the weather conditions in the area of the first electricity generation unit 11 and/or depending on the weather conditions in the area of the further electricity generation unit 12, 13.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021115860.5A DE102021115860A1 (de) | 2021-06-18 | 2021-06-18 | Verfahren und Vorrichtung zum Zuordnen von elektrischem Strom zu einer Stromerzeugungseinheit, Computerprogrammprodukt und Speichermittel |
| PCT/EP2022/065046 WO2022263187A1 (de) | 2021-06-18 | 2022-06-02 | Verfahren und vorrichtung zum zuordnen von elektrischem strom zu einer stromerzeugungseinheit, computerprogrammprodukt und speichermittel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4315549A1 true EP4315549A1 (de) | 2024-02-07 |
Family
ID=82270651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22734502.2A Pending EP4315549A1 (de) | 2021-06-18 | 2022-06-02 | Verfahren und vorrichtung zum zuordnen von elektrischem strom zu einer stromerzeugungseinheit, computerprogrammprodukt und speichermittel |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4315549A1 (de) |
| DE (1) | DE102021115860A1 (de) |
| WO (1) | WO2022263187A1 (de) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7930070B2 (en) | 2008-09-25 | 2011-04-19 | Kingston Consulting, Inc. | System, method, and module capable of curtailing energy production within congestive grid operating environments |
| DE102009048784A1 (de) * | 2009-10-08 | 2011-04-14 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Verfahren zur Stromversorgung eines Stromverbrauchers |
| US20130226484A1 (en) | 2012-02-27 | 2013-08-29 | Nokia Corporation | Method and apparatus for generating power flow signatures |
| GB201412152D0 (en) | 2014-07-08 | 2014-08-20 | Co Operative Energy Ltd | A system arranged to control the supply of energy and a method for controlling the supply of energy |
| WO2017137964A1 (en) | 2016-02-11 | 2017-08-17 | Live Power Intelligence Company Na, Llc | System and method of power grid monitoring |
| US11258258B2 (en) * | 2019-08-12 | 2022-02-22 | Inergy Holdings, LLC | Multi-input power conversion and energy storage |
-
2021
- 2021-06-18 DE DE102021115860.5A patent/DE102021115860A1/de active Pending
-
2022
- 2022-06-02 EP EP22734502.2A patent/EP4315549A1/de active Pending
- 2022-06-02 WO PCT/EP2022/065046 patent/WO2022263187A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022263187A1 (de) | 2022-12-22 |
| DE102021115860A1 (de) | 2022-12-22 |
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