EP4136735A1 - Système de capture de quantité d'énergie, appareil de calcul de quantité d'énergie, système de traitement de quantité d'énergie, procédé de capture de quantité d'énergie et procédé de calcul de quantité d'énergie - Google Patents

Système de capture de quantité d'énergie, appareil de calcul de quantité d'énergie, système de traitement de quantité d'énergie, procédé de capture de quantité d'énergie et procédé de calcul de quantité d'énergie

Info

Publication number
EP4136735A1
EP4136735A1 EP21719893.6A EP21719893A EP4136735A1 EP 4136735 A1 EP4136735 A1 EP 4136735A1 EP 21719893 A EP21719893 A EP 21719893A EP 4136735 A1 EP4136735 A1 EP 4136735A1
Authority
EP
European Patent Office
Prior art keywords
energy
amount
electrical connection
meter
detection system
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
Application number
EP21719893.6A
Other languages
German (de)
English (en)
Inventor
Torsten Hammerschmidt
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.)
Innogy SE
Original Assignee
Innogy SE
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 Innogy SE filed Critical Innogy SE
Publication of EP4136735A1 publication Critical patent/EP4136735A1/fr
Pending legal-status Critical Current

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
    • H02J13/00—Circuit arrangements for providing remote monitoring or remote control of equipment in a power distribution network
    • H02J13/12—Monitoring network conditions, e.g. electrical magnitudes or operational status
    • 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
    • H02J2103/00—Details of circuit arrangements for mains or AC distribution networks
    • H02J2103/30—Simulating, planning, modelling, reliability check or computer assisted design [CAD] of electric power networks
    • H02J2103/35—Grid-level management of power transmission or distribution systems, e.g. load flow analysis or active network management
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • 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
    • Y04S10/30—State monitoring, e.g. fault, temperature monitoring, insulator monitoring, corona discharge

Definitions

  • Energy amount detection system energy amount calculating device, energy amount processing system, energy amount detection method, and energy amount calculation method
  • the present disclosure relates generally to techniques for sensing and processing amounts of energy.
  • the present disclosure relates to an energy amount detection system, an energy amount calculation device, an energy amount processing system, an energy amount detection method, and an energy amount calculation method.
  • More and more private and public buildings are being equipped with a photovoltaic system and an energy storage device for storing the electrical energy generated by the photovoltaic system.
  • the electrical energy generated by the photovoltaic system can be used immediately, stored in the energy store for later consumption, or fed into the connected energy supply network.
  • electrical energy that is not directly consumable and generated by the photovoltaic system can be temporarily stored in the energy store and used later.
  • the operator of the photovoltaic system receives a feed-in remuneration from the network operator for feeding into the energy supply network.
  • the grid operator and subscriber are billed for the feed-in.
  • the amount of the legally guaranteed feed-in tariff is constantly decreasing or may soon cease to exist altogether. For this reason, self-consumption is becoming more and more interesting for operators of photovoltaic systems.
  • the same situation arises for operators of other energy generation devices, such as wind power plants, biomass plants, or combined heat and power plants.
  • electricity metering and electricity billing a distinction is made between green electricity and gray electricity. When green electricity is mentioned below, the electricity generated by the local energy generation device is meant.
  • gray current the current drawn from the energy supply network or current mixed with this current is meant.
  • the electricity from the energy supply network comes partly from renewable energy sources. However, since it also contains gray electricity, for example from combustion power plants, it is referred to as gray electricity.
  • the energy storage devices e.g. for photovoltaic systems
  • the energy storage devices should draw gray electricity from the energy supply network at peak generation times and be able to supply electricity to the energy supply network at peak load times.
  • the document DE 10 2017 121 457 A9 relates to an energy storage device that can be charged both with green electricity and with gray electricity and a measurement technology with which green and gray electricity quantities can be recorded separately. In particular, quantities fed into the energy supply network or consumed by the subscriber as green electricity or gray electricity can be measured separately.
  • the disadvantage of the arrangement and measurement technology described in this publication is that at least five electricity meters are necessary to record all billing-relevant data, which leads to a relatively high complexity with high costs and increased measurement data processing effort.
  • the present disclosure is based on the object of providing an energy amount detection system, an energy amount calculation device, an energy amount processing system, an energy amount detection method and an energy amount calculation method which use simplified measurement techniques for energy stores that can be charged with green electricity and gray electricity.
  • an energy quantity detection system which comprises: a first electrical connection which is configured to be connected to an electrical supply network; a second electrical connection which is set up to be connected to an energy store; a third electrical connection which is set up to be connected to an electrical consumer; a fourth electrical connection which is configured to be connected to a power generation device; a first network node via which the first electrical connection is electrically connected to the second electrical connection, the third electrical connection and the fourth electrical connection; a first energy meter which is arranged between the first electrical connection and the first network node; a second energy meter which is arranged between the first network node and the third electrical connection and the fourth electrical connection; a second network node which is arranged between the second energy meter and the third electrical connection and the fourth electrical connection; and an energy flow sensor that detects an energy flow between the second electrical connection and the first network node and is set up to do so, as a function of the detected one Output energy flow control signals for the first energy meter, the first energy meter being configured to count
  • the electrical supply network can be an electrical network for the transmission and distribution of electrical energy, which comprises electrical lines such as overhead lines and underground cables, and associated devices such as switching and transformer stations.
  • the energy store can be a device for storing currently available but not required energy for later use, such as a battery, in particular a lithium-ion battery, for example.
  • the electrical consumer can be at least one electrical device connected to a house network, such as a washing machine, a refrigerator, etc.
  • the energy generating device can be, for example, a photovoltaic system or a wind power system.
  • the electrical connections can be electrical connection points via which the energy quantity detection system can be connected to the respective external electrical networks and devices.
  • the energy meters can be electricity meters, for example Ferraris meters, double and multi-tariff electricity meters with a large number of counters, electronic household meters (EHZ), electronic energy meters or modern measuring devices or intelligent measuring systems (so-called intelligent energy meters), which one or a large number Allocate counted amounts of energy to different registers, each with and without remote reading.
  • the energy meters are preferably provided with a backstop.
  • the energy flow sensor can be an energy flow direction sensor or an energy flow relay which determines the direction of the energy or current flow through the energy flow sensor and outputs corresponding control signals.
  • the energy flow sensor can be a separate device.
  • the energy flow sensor can, however, also be integrated in one of the energy meters or converters.
  • the energy flow sensor preferably outputs two control signals to the first energy meter.
  • the control signals can either indicate that about the second electrical connection energy is fed into the amount of energy detection system, or that energy is output from the amount of energy detection system via the second electrical connection.
  • the first energy meter can individually count individual and / or several of the first amount of energy, the second amount of energy, the third amount of energy and the fourth amount of energy as a function of the control signals received from the energy flow sensor.
  • the energy quantities counted can in particular be measured values in the unit kilowatt hour (kWh).
  • a counter can be provided for each amount of energy counted.
  • smart meter or intelligent measuring system - iMsys each amount of energy counted is assigned a register.
  • OBIS Object Identification System
  • key figures are preferably used to uniquely identify the measured values (energy quantities, meter readings). This can be particularly advantageous when the measured values are transmitted via communication networks (wireless or wired).
  • the network nodes can be distribution bars, for example.
  • the term energy generation when used in this disclosure, it means the generation / conversion of electrical energy from other energy sources, such as sunlight, combined heat and power, wind power, biomass or the like.
  • electricity that flows as a result of the generation of energy.
  • the terms current flow and energy flow can be used synonymously.
  • the direction of current flow is understood to mean the direction of energy flow, even if these terms are physically differentiated when considering alternating currents in a time-resolved manner.
  • a freely definable current or energy flow direction is marked with positive and the opposite flow direction with negative values. If in the following the direction of energy flow or current direction or energy or current is mentioned, these terms are interchangeable.
  • the first amount of energy and the third amount of energy correspond to energy flows from the first electrical connection to the first network node
  • the second amount of energy and the fourth amount of energy correspond to energy flows from the first network node to the first electrical connection.
  • the first energy meter can be set up to measure energy quantity pairs.
  • the selection of the respective energy quantity pair can be made by the control signal received from the energy flow sensor.
  • the first energy meter can be set up to count either the first amount of energy and the second amount of energy or the third amount of energy and the fourth amount of energy as a function of the control signals received from the energy flow sensor.
  • the first energy meter can thus be set up to count the first amount of energy and the second amount of energy when energy is fed into the energy amount detection system via the second electrical connection.
  • the first energy meter can be set up to count the third amount of energy and the fourth amount of energy when energy is output from the energy amount detection system via the second electrical connection.
  • the energy flow sensor can be configured to output control signals for the second energy meter as a function of a measured energy flow, and the second energy meter can be configured to output a fifth amount of energy, a sixth amount of energy, depending on the control signals received from the energy flow sensor. counting a seventh amount of energy and an eighth amount of energy.
  • the energy flow sensor preferably outputs two control signals to the second energy meter.
  • the control signals can either indicate that energy is being fed into the energy quantity recording system via the second electrical connection, or that energy is being emitted from the energy quantity recording system via the second electrical connection.
  • the energy flow sensor outputs the two control signals both to the first energy meter and to the second energy meter.
  • the fifth amount of energy and the seventh amount of energy preferably correspond to energy flows from the first network node to the second network node, and the sixth amount of energy and the eighth amount of energy correspond to energy flows from the second network node to the first network node.
  • the second energy meter can be set up to count either the fifth amount of energy and the sixth amount of energy or the seventh and the eighth amount of energy as a function of the control signals received from the energy flow sensor.
  • the second energy meter can thus be set up to count the fifth amount of energy and the sixth amount of energy when energy is fed into the energy amount detection system via the second electrical connection.
  • the second energy meter can be set up to count the seventh amount of energy and the eighth amount of energy when energy is output from the energy amount detection system via the second electrical connection.
  • an energy quantity detection system with two energy meters in particular a maximum of two energy meters, is provided.
  • a third energy meter which is arranged between the second network node and the fourth electrical connection, can also be provided to determine the energy flow quantities of the energy generating device.
  • the third energy meter can be set up to count a ninth amount of energy and / or a tenth amount of energy.
  • the third energy meter is preferably constantly active and works independently of the control signals from the energy flow sensor.
  • the ninth amount of energy is preferably energy flows from the fourth electrical connection to the second network node and the tenth amount of energy is energy flows from the second network node to the fourth electrical connection.
  • the first energy meter, the second energy meter and / or the third energy meter can be set up to count the amounts of energy described above in real time.
  • an energy quantity detection system with only three energy meters, in particular a maximum of three energy meters, is provided with which all billing-relevant data can be determined.
  • the present disclosure also relates to an energy amount calculating device.
  • the energy quantity calculating device preferably receives the counted energy quantities from the first energy meter and / or the second energy meter.
  • the reception can be wired or wireless (for example via a local radio network or a cellular network).
  • the amount of energy calculating device can be set up to add the first amount of energy to the seventh amount of energy.
  • the energy quantity calculating device can be set up to subtract the seventh amount of energy from the third amount of energy.
  • the present disclosure also relates to an energy quantity processing system, which comprises an energy quantity acquisition system as described above, a gateway and an energy quantity calculation device described above, the energy quantity acquisition system being set up to send the counted amounts of energy to the gateway and the gateway being set up to send the amounts of energy received to the Send energy amount calculator.
  • the energy quantity calculating device ie the intelligence
  • the gateway can be a so-called smart meter gateway.
  • the gateway in the sense of this disclosure can also be a multi-utility communication controller (MUC or MUC-C).
  • the present disclosure also relates to a power amount detection method for use in any of those described above
  • Energy amount detection systems comprising counting, by the first energy meter in dependence on the control signals received from the energy flow sensor, a first amount of energy, a second amount of energy, a third amount of energy and a fourth amount of energy.
  • the present disclosure relates to an energy amount calculation method for use in an energy amount calculation device described above, the method comprising adding the first amount of energy to the seventh amount of energy and / or subtracting the seventh amount of energy from the third amount of energy.
  • FIG. 1 shows a schematic view of an exemplary embodiment of an energy quantity detection system which is connected to an electrical supply network, an energy store, an electrical consumer and an energy generating device;
  • FIG. 2 shows a schematic view of an exemplary embodiment of an energy quantity processing system with an energy quantity detection system and an energy quantity calculation device.
  • FIG. 1 shows a schematic view of an exemplary embodiment of an energy quantity detection system 100, which is connected to an electrical supply network 13 via a first electrical connection 21, is connected to an energy store 10 via a second electrical connection 22, and is connected to an energy store 10 via a third electrical connection 23 electrical consumer 11 is connected and is connected to an energy generating device 12 via a fourth electrical connection 24.
  • FIG. 1 only the elements relevant to the description of the energy quantity detection system 100 are shown schematically. A person skilled in the art will understand that additional elements, such as inverters, can be provided in an implementation.
  • the energy quantity detection system 100 further comprises a first energy meter 1, a second energy meter 2, a third energy meter 3 and an energy flow sensor 5.
  • the first electrical connection 21, the second electrical connection 22, the third electrical connection 23, the fourth electrical connection 24, the first Energy meter 1, the second energy meter 2, the third energy meter 3 and the energy flow sensor 5 are connected to one another via an electrical network which comprises a first network node 31 and a second network node 32.
  • the first energy meter 1 is arranged between the first electrical connection 21 and the first network node 31, the second energy meter 2 is arranged between the first network node 31 and the second network node 32 and the third energy meter 3 is between the second network node 32 and the fourth electrical connection 24 arranged.
  • the energy flow sensor 5 measures the energy flow between the second electrical connection 22 and the first network node 31.
  • the first network node 31 is arranged between the first energy meter 1, the second energy meter 2 and the second electrical connection 22.
  • the second network node 32 is arranged between the second energy meter 2 and the third electrical connection 23 and the third energy meter 3.
  • the first amount of energy 41 and the third amount of energy 43 correspond to energy flows from the first electrical connection 21 to the first network node 31.
  • the second amount of energy 42 and the fourth amount of energy 44 correspond to energy flows from the first network node 31 to the first electrical connection 21.
  • the first amount of energy 41 and the second amount of energy 42 are counted when the first energy meter 1 receives the control signal S1 from the energy flow sensor 5 via the line 61.
  • the third amount of energy 43 and the fourth amount of energy 44 are counted when the first energy meter 1 receives the control signal S2 from the energy flow sensor 5 via the line 61.
  • the fifth amount of energy 45 and the seventh amount of energy 47 correspond to energy flows from the first network node 31 to the second network node 32.
  • the sixth amount of energy 46 and the eighth amount of energy 48 correspond to energy flows from the second network node 32 to the first network node 31.
  • the fifth amount of energy 45 and the sixth amount of energy 46 are counted when the second energy meter 2 receives the control signal S1 from the energy flow sensor 5 via the line 62.
  • the seventh amount of energy 47 and the eighth amount of energy 48 are counted when the second energy meter 2 receives the control signal S2 from the energy flow sensor 5 via the line 62.
  • the third energy meter 3 is set up to count a ninth amount of energy 49, which corresponds to the energy flows from the fourth electrical connection 24 to the second network node 32, and / or to count a tenth amount of energy 50, which corresponds to the energy flows from the second network node 32 to the fourth electrical connection 24 .
  • the arrow 63 corresponds to the network current from the first network node 31 to the first electrical connection 21
  • the arrow 64 corresponds to the consumer current from the second Network node 32 to the third electrical connection 23
  • the arrow 65 the power generating device current from the third energy meter 3 to the second network node 32.
  • the first energy meter 1 counts the first amount of energy 41, the second amount of energy 42, the third amount of energy 43 and the fourth amount of energy 44 as a function of the control signals S1 and S2 received from the energy flow sensor 5 the second energy meter 2, depending on the control signals S1 and S2 received from the energy flow sensor 5, the fifth amount of energy 45, the sixth amount of energy 46, the seventh amount of energy 47 and the eighth amount of energy 48.
  • the third energy meter 3 counts the ninth independently of the energy flow sensor 5 Amount of energy 40 and the tenth amount of energy 50.
  • the first energy meter 1, the second energy meter 2 and the third energy meter 3 are designed as intelligent energy meters, in particular as intelligent energy meters that can be read remotely.
  • the OBIS key figure system is defined in the standards DIN EN 62056-61: 2007-06 OBIS - Object Identification System and DIN EN 13757-1: 2003-03 data exchange.
  • the following OBIS codes can be assigned to the first to tenth energy amounts: first energy amount 41: OBIS code number 1.8.1 second energy amount 42: OBIS code number 2.8.1 third energy amount 43: OBIS code number 1.8.2 fourth energy amount 44: OBIS code number 2.8.2 fifth energy amount 45: OBIS code number 1.8.1 sixth energy amount 46: OBIS code number 2.8.1 seventh energy amount 47: OBIS code number 1.8.2 eighth energy amount 48: OBIS code number 2.8.2 ninth energy amount 49: OBIS code 2.8.0 tenth amount of energy 50: OBIS code 1.8.0
  • a switch is made between the counters or registers with the OBIS codes 1.8.1 and 1.8.2 and accordingly between the counters or registers with the OBIS codes 2.8.1 and 2.8.2.
  • FIG. 2 shows a schematic view of an exemplary embodiment of an energy quantity processing system with an energy quantity detection system and an energy quantity calculation device.
  • the energy quantity acquisition system can in particular be the energy quantity acquisition system 100 shown in FIG. 1.
  • the energy quantity detection system 100 is connected wirelessly or wired to a gateway 110 (for example a smart meter gateway), which in turn is connected wirelessly or wired to an energy quantity calculating device 120.
  • the energy quantity calculating device 120 can be arranged in a backend, for example. But it is also conceivable that the
  • Energy quantity calculating device 120 is arranged in the gateway 110 and forwards calculated data to a backend (not shown in FIG. 2).
  • the amount of energy calculating device 120 receives the amounts of energy 41 to 50 measured by the energy meters 1, 2 and 3 and uses them to calculate billing-relevant values. In particular, the following billing-relevant values are calculated by the energy quantity calculating device 120:
  • Power generating device utility grid feed (amount of energy 44) + (amount of energy 46)
  • Enet, delivery (green) Enet, delivery (green) + EPV-HH, network delivery (green)
  • Energy generating device generation amount of energy 49 (designation e.g. EPV, delivery)
  • the energy amount calculating device 120 receives the energy amounts 41 to 50 and calculates the aforementioned billing-relevant values.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

La présente invention concerne un système de capture de quantité d'énergie, un appareil de calcul de quantité d'énergie, un système de traitement de quantité d'énergie, un procédé de capture de quantité d'énergie et un procédé de calcul de quantité d'énergie. Le système de capture de quantité d'énergie comprend quatre connexions électriques servant à connecter le système de capture de quantité d'énergie à un réseau d'alimentation électrique, à un accumulateur d'énergie, à une charge électrique et à un appareil de production d'énergie ainsi qu'une pluralité de compteurs d'énergie et un capteur de flux d'énergie qui est conçu pour délivrer des signaux de commande d'au moins l'un des compteurs d'énergie sur la base d'un flux d'énergie mesuré. L'un des compteurs d'énergie est conçu pour mesurer une première quantité d'énergie, une deuxième quantité d'énergie, une troisième quantité d'énergie et une quatrième quantité d'énergie sur la base des signaux de commande reçus en provenance du capteur de flux d'énergie.
EP21719893.6A 2020-04-16 2021-04-16 Système de capture de quantité d'énergie, appareil de calcul de quantité d'énergie, système de traitement de quantité d'énergie, procédé de capture de quantité d'énergie et procédé de calcul de quantité d'énergie Pending EP4136735A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020110453.7A DE102020110453A1 (de) 2020-04-16 2020-04-16 Energiemengenerfassungssystem, Energiemengenberechnungsvorrichtung, Energiemengenverarbeitungssystem, Energiemengenerfassungsverfahren und Energiemengenberechnungsverfahren
PCT/EP2021/059847 WO2021209577A1 (fr) 2020-04-16 2021-04-16 Système de capture de quantité d'énergie, appareil de calcul de quantité d'énergie, système de traitement de quantité d'énergie, procédé de capture de quantité d'énergie et procédé de calcul de quantité d'énergie

Publications (1)

Publication Number Publication Date
EP4136735A1 true EP4136735A1 (fr) 2023-02-22

Family

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Application Number Title Priority Date Filing Date
EP21719893.6A Pending EP4136735A1 (fr) 2020-04-16 2021-04-16 Système de capture de quantité d'énergie, appareil de calcul de quantité d'énergie, système de traitement de quantité d'énergie, procédé de capture de quantité d'énergie et procédé de calcul de quantité d'énergie

Country Status (3)

Country Link
EP (1) EP4136735A1 (fr)
DE (1) DE102020110453A1 (fr)
WO (1) WO2021209577A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023111003A1 (de) * 2023-04-28 2024-10-31 Ingenieur- und Gutachtergesellschaft Christian Persohn mbH Verfahren zur Ermittlung der benötigten Eigenbedarfsenergie einer Energieerzeugungsanlage während der Energieerzeugung

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012011119A1 (de) * 2012-06-05 2013-12-05 Diehl Ako Stiftung & Co. Kg Lokales Energiesystem
DE102012023424B4 (de) * 2012-11-29 2019-08-14 Kostal Industrie Elektrik Gmbh Energieverteilungsanlage mit einer Steuervorrichtung
DE102013003367B4 (de) * 2013-03-01 2023-10-12 Technische Universität Braunschweig Verfahren und Vorrichtung zur Erzeugung von Zählpunktsignalen
DE102017121457B4 (de) 2017-09-15 2019-12-05 Innogy Se System und Verfahren zum Erfassen von Energiemengen

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WO2021209577A1 (fr) 2021-10-21

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