DE102018112058A1 - Data processing unit, control unit and method for controlling the amount of electrical grid energy absorbed - Google Patents

Abstract

The invention relates on the one hand to a data processing unit for detecting and processing at least one electrical network energy present in a grid operated by a network operator, the generation or use of which characterizing information, on the other hand a control unit for controlling the amount of energy input to a utility appliance and a method of controlling the amount of intake to mains power of a consumer device.

Description

The invention relates to a data processing unit according to claim 1, a control unit according to claim 2 and a method for controlling the amount of electrical power input according to claim 3.

It is known that the end user power network associated with a connection user, for example the end user power supply network located in a residential building, is connected to a power network that can be operated by a network operator. For example, the house connection is the interface between the power grid and the end-user power grid. To the end user power supply electrical consumption devices, such as electrically operated household appliances for receiving electrical network power can be connected, for example via power cables.

It is known to control the switching state of electrical appliances remotely, for example via a network or over the Internet. Also, the switching state can be changed time-controlled, for example, via sockets with built-in timer.

In the DE 11 2015 004 810 T5 a notification unit is proposed which indicates to the access user an electricity price in order to cause it to influence the energy consumption of its consumer appliances as a function of the electricity price.

The problem with this is that the consumption of mains energy from its consumer devices is only changed when the connection user consciously and actively changes them. In addition, the connection user must adapt and get used to influencing the absorption of grid energy when the electricity price is called up.

It is also known that network operators can switch the consumer devices remotely and externally depending on the network load characterizing the power grid. For example, the network operator can switch air conditioning systems, heaters or heat pumps for home heating of the connection user.

The problem here is that when switching the consumer devices is not taken into account whether at the time of switching on the consumption of sufficient power in the power grid is available. The control is also independent of which proportionate distribution of the energy sources (electricity mix) is present. Thus, the control is also carried out regardless of how high the proportion of renewable energy sources generating electricity (green electricity) is.

In the course of the energy transition, however, it is desirable to provide them with electrical energy consumption devices, such as electric vehicles or heat pumps for home heating, this also with grid energy that is generated mainly or exclusively by renewable energy.

The object of the present invention is now to bring about an increased use of renewable energy sources (green electricity). In addition, the consumption equipment should take priority then grid energy or more grid energy when the share of generated by renewable energy grid energy is high or outweighs. Another object is to be able to make the control of the recording of grid power of the consumer devices without an outside access by the network operator. Furthermore, the reliability of the home network and / or the Endabnehmerstromnetzes is increased and their susceptibility and vulnerability to be reduced from outside.

Another task is to relieve the power grid and avoid the emergence of surplus electricity and in particular their forced sale. Furthermore, the effort for the connection user to make the control of the intake amount of network energy consumption of appliances, be low or imperceptible or not available.

At least one of these objects is achieved by a data processing unit having the features of claim 1. Accordingly, a data processing unit is proposed for detecting and processing at least one of the electrical network energy present in a network operator operated by the network operator, their generation or their use characterizing information, wherein the data processing unit is assigned to a subscriber network of a subscriber who is connected to the power grid at least one electrical power device is connectable to the Endabnehmerstromnetz for receiving the grid power and the data processing unit depending on the information causes a control command to a control unit and the control unit can change the intake amount of grid power of the consumption device automatically and in response to the control command.

Furthermore, to solve at least one of the aforementioned objects, a control unit for controlling the intake amount of electrical grid energy of an electric Consumption device, which is connectable to an end user network of a subscriber to receive the network power proposed, the Endabnehmerstromnetz is connected to an operable by a network operator power supply, the control unit automatically and depending on at least one of the network energy, their generation or their use characterizing information the Can change the amount of charge to the grid power of the consumer device.

Furthermore, to solve at least one of the aforementioned objects, a method for controlling the intake amount of electrical power of an electrical utility device, which is connectable to a Endabnehmerstromnetz a subscriber to receive the grid energy, proposed, the Endabnehmerstromnetz is connected to an operable by a network operator power grid and a data processing unit and a control unit is provided, wherein the data processing unit detects the network energy, their generation or their use characterizing information and outputs a control command to the control unit depending on the information and the control unit receives the control command and automatically depending on the intake amount of network energy Consumable changed.

Thus, each of these solutions is self-standing able to make the control of recording the grid power of the consumer devices without external access by the network operator. This self-sufficient control option can increase the reliability of the home network or the Endabnehmerstromnetzes and their susceptibility and vulnerability to be reduced from outside. In the home network, it is not necessary to open certain network ports, which can be an entry point for attacks from outside.

In addition, the power grid can be relieved and the emergence of surplus electricity and in particular their forced sale can be avoided. The effort for the connection user to make the control of the recording of grid power of the consumer devices is thus imperceptible.

The data processing unit and / or control unit can be assigned centrally or assigned to a consumption appliance, in particular installed in the consumption appliance.

The change in the intake amount of grid power may be a change in the switching state of the consumer device, for example by the consumer device is turned on or off. The change in the intake amount of grid energy may be a change in the electrical power consumed by the consumable device from the end-user grid.

The control unit can switch the consumable on or off and / or change its performance. The control unit can automatically change the switching state or the power requirement of the consumption device. The control unit may be an electrical switch.

The utility device may be an electric vehicle, a computer, a heating or cooling system, a refrigerator, a freezer, a household electrical appliance or an electrical tool or a socket to which such a device can be connected.

The control unit may be a change in the clock frequency of a computer, a change in the cooling or heating power of an air conditioner or a refrigerator or a freezer or a heating system or a change in the light output in a light source, for example in an LED lighting.

In a particularly preferred embodiment of the invention, the information may consist of a network operator and / or an energy supplier, in particular with the connection user a Stromabnahmevertrag for reference to network energy and / or an energy exchange (power exchange) and / or by the connection user and / or information provided by a weather service. The information can be obtained from the Internet. The information can depict a state, an occurrence, a composition, a use and / or a framework of the electrical grid energy of the power grid.

• aktuelle und/oder abgeschätzte Stromkapazität und/oder
• aktuelle und/oder abgeschätzte Netzbelastung und/oder
• Höhe an Über- und/oder Unterproduktion an Netzenergie

In a further advantageous embodiment of the invention, the information can be at least one of the following information characterizing the network energy or its generation:

• current and / or estimated power capacity and / or
• current and / or estimated network load and / or
• Amount of over- and / or under-production of grid energy

As a result, the power grid can be relieved and the generation of surplus electricity can be reduced or avoided.

• abgeschätzte Energieerzeugungsmenge regenerativer Energieträger, insbesondere von Offshore-Windanlagen, Photovoltaikanlagen, Windenergieanlagen und/oder anteilmäßige Aufteilung der die Netzenergie ausmachenden Energieträger, insbesondere lokal, regional, überregional, national und/oder international betrachtet und/oder

Alternatively or in addition to the above information, the information may be at least one the following, the following are the network energy or their generation characteristic information:

• estimated energy generation amount of renewable energy sources, in particular of offshore wind farms, photovoltaic systems, wind turbines and / or pro-rata distribution of energy sources constituting the grid, in particular locally, regionally, nationally, nationally and / or internationally considered and / or

Share of grid energy generated by renewable energy sources and / or in particular information provided by a weather service on the generation of grid energy influencing hours of sunshine and / or solar radiation and / or wind speed.

As a result, increased use of renewable energy sources (green electricity) can be promoted and achieved. In addition, the consumption devices may primarily receive grid energy or more grid energy if the share of grid energy generated by renewable energy sources is high or outweighs. A reduction of carbon dioxide and a reduction in the share of fossil fuels in the power grid can be reduced.

• aktuelle oder zukünftige Preisangebote und/oder Preisveränderungen und/oder Verhältnis aus Stromangebot und Stromnachfrage, insbesondere überregional, national und/oder international betrachtet, nicht ausschließlich lokal oder regional gesehen und/oder

As an alternative or in addition to the above information, the information may be at least one of the following information characterizing the network energy or its generation:

• Current or future price offers and / or price changes and / or ratio of electricity supply and electricity demand, in particular supra-regional, national and / or international considered, not exclusively locally or regionally and / or

available amount of electricity and / or

Electricity prices.

The effort for the connection user to make the control of the recording of grid power of the consumer devices, for example, to achieve a low-cost uptake of grid energy is thus low or imperceptible or not available.

The information preferably does not necessarily reach the connection user directly, for example from the energy provider via the currently valid electricity price, but directly to the data processing unit. The access user does not have to act actively or not at all times in order to control the reception of network energy as a function of the information in general or, as here, as a function of the price of electricity.

The energy provider can preferably forward a price offer or a price advantage to the connection user, in particular without the connection user having to actively influence or allow the change in the absorption amount of network energy depending on it.

Particularly preferably, the energy supplier can also pass on negative prices to the connection user, with which the connection user can draw electricity by crediting a credit note. This allows current overcapacities to be passed on to the connection user. Power overcapacities would no longer have to be sold abroad at negative prices. The overloading of the power grid with reduced power production by the energy sources can also be reduced, for example by the consumption devices are changed in their power consumption.

• Automatisiert erstelltes oder von dem Anschlussnutzer vorgegebenes Nutzungsprofil des Anschlussnutzers und/oder des Verbrauchsgeräts und/oder
• bestehende und/oder abgeschätzte Verbrauchsdaten des Anschlussnutzers und/oder des Verbrauchsgeräts und/oder
• bestehendes und/oder abgeschätztes Nutzungsverhalten des Anschlussnutzers und/oder des Verbrauchsgeräts und/oder
• vom Anschlussnutzer bestimmte Vorgaben zur Bevorzugung bestimmter Energieträger, insbesondere erneuerbarer Energieträger und/oder
• vom Anschlussnutzer vorgegebener Preisrahmen und/oder
• vom Anschlussnutzer vorgegebener Betriebszeitraum für das Verbrauchsgerät.

In a particularly advantageous embodiment of the invention, the information is at least one of the following, the use of network energy characterizing I nformations:

• Automatically created or predetermined by the connection user usage profile of the connection user and / or the consumption device and / or
• existing and / or estimated consumption data of the connection user and / or the consumable device and / or
• existing and / or estimated usage behavior of the subscriber and / or the consumer device; and / or
• from the connection user certain requirements for the preference of certain energy sources, in particular renewable energy sources and / or
• the user specified price range and / or
• Operating period specified by the connection user for the consumption device.

In this way, it is possible to enable a change in the intake quantity of network energy of the consumption device, which is adapted individually to the connection user and / or a consumption device adapted to the change. In addition, the connection user has the opportunity to specify framework conditions that influence the change in the intake of grid energy without having to act or intervene.

In a further advantageous embodiment of the invention, the change of Consumption amount of grid energy a reduction and / or shutdown and / or increase and / or inclusion of the intake.

In a further preferred embodiment of the invention, the control command is dependent on whether the parameter corresponding to the information overshoots and / or falls below a predefinable threshold value.

In an advantageous embodiment of the invention, the change in the intake amount of network energy takes place continuously or in predetermined sections.

In the case of a consumer device designed as an electric vehicle, at its arrival at home and a necessary charging process, the connection user can preferably estimate or automatically estimate on the basis of the recorded user behavior and the user profile when the next use of the electric vehicle will take place in order to ensure the lifetime of the electric vehicle the period of charging, the duration of the charging process and / or the charging power to control automatically.

Further advantages and advantageous embodiments of the invention will become apparent from the description of the figures and the figures.

list of figures

• 1: Eine Anordnung einer Datenverarbeitungseinheit und einer Steuereinheit jeweils in einer speziellen Ausführungsform der Erfindung.
• 2: Ein Ablaufdiagramm eines Verfahrens zur Steuerung der Aufnahmemenge an Netzenergie nach einer speziellen Ausführungsform der Erfindung.

The invention will be described in detail below with reference to the drawings. They show in detail:

• 1 An arrangement of a data processing unit and a control unit each in a specific embodiment of the invention.
• 2 : A flow chart of a method for controlling the amount of energy absorbed in a network according to a specific embodiment of the invention.

1 shows the arrangement of a data processing unit 10 and a control unit 12 each in a specific embodiment of the invention.

The grid operated by a grid operator 14 supplies different delivery points 16 For example, residential buildings or commercial facilities with electrical energy. These delivery points 16 For example, house connections are the interface between the power grid 14 and the end user power grid 18 , which, for example, in the sphere of influence of the connection user 19 is settled, the end user power supply 18 to the mains 14 is connected. Often there is between the end user power grid 18 and the power grid 14 an electricity meter installed.

Within the consumer network 18 operates the connection user 19 usually at least one electrically operable consumable device 20 , Such a consumption device 20 For example, an electric vehicle 22 , a computer 24 or a heating or cooling system 26 be. Such a consumption device 20 can be used to operate it directly from the end-user power grid 18 refer to electrical network energy. Also, the consumption device 20 be supplied with electrical energy via an electrical energy storage, wherein the energy storage by receiving network energy of the Endabnehmerstromnetzes 18 can be charged.

The in the power grid 14 electrical energy is usually by an energy source 28 provided. Such an energy source 28 can, for example, be a renewable energy source 28 , in particular a photovoltaic system 30 be. Also, such an energy source 28 a fossil energy-processing power plant 32 be.

Within the consumer network 18 is a data processing unit 10 arranged. This can be centrally located at the delivery point 16 be arranged or an electrical appliance 20 be assigned. The data processing unit 10 causes a control command to a control unit 12 , The data processing unit 10 is via a control connection 36 to the control unit 12 connected. The control unit 12 is capable of absorbing the amount of electrical mains power consumed by the appliance 20 to change automatically and depending on the control command. The change in the intake of network energy can be made continuously or in predetermined sections. The change in the intake amount of grid energy may be a reduction and / or shutdown and / or increase and / or addition of the intake amount.

The control unit 12 can the consumption device 20 switch on and off and / or change its power. The control unit 12 can be the switching state or the power consumption of the consumption device 20 change automatically. The change in the intake amount of grid power can be a change in the switching state of the consumption device 20 in itself, for example, in which the consumption device 20 is switched on or off. For example, the control unit 12 an electrical switch 38 be. The change in the intake amount of grid energy can be a change of the consumption of the device 20 from the consumer network 18 be related electrical power.

The control unit 12 can be a change in the clock frequency of the computer 24 , a change in the cooling or heating capacity of the air conditioner 26 or a refrigerator or a freezer or a heating system or a change in the light output at a light source.

The change in the intake amount of electrical grid energy of the consumption device 20 takes place depending on one by the data processing unit 10 recorded, the network energy, their generation or their use characterizing information. This is indicated by the data processing unit 10 an interface 34 on which the information can be obtained. For example, the interface 34 connected to the internet. Also, the interface can enable wireless data transmission.

The change in the intake amount of network energy of the consumption device 20 can be done without access from outside, for example, by influencing the network operator. This can increase the reliability of the home user's home network 19 or the end user network 18 increases their vulnerability to attacks from outside. Also is the connection user 19 not forced to actively change the intake. The effort for the connection user 19 , the control of the intake amount of network power of the consumption device 20 is imperceptible.

The information may be one from the network operator 40 and / or from an energy supplier 42 with which the connection user 19 may have a power purchase agreement to obtain network energy and / or from an energy exchange 44 (Electricity exchange) and / or from a user profile 46 of the connection user 19 or the consumption device 20 and / or from a weather service 48 be provided information.

The information can be information characterizing the network energy or its generation, for example via the current and / or estimated current capacity and / or via the current and / or estimated network load of the power grid 14 and / or the amount of over and / or underproduction of grid energy within the grid 14 , This information may be provided by the network operator 40 to provide. By changing the intake amount of grid energy within the end-user grid 18 of the connection user 19 Depending on this information, the power grid 14 be relieved and the generation of surplus electricity reduced or avoided.

As an alternative or in addition to the above information, the information may be information characterizing the grid energy or its generation, for example via the estimated power generation amount of regenerative energy carriers 28 , in particular of offshore wind farms, photovoltaic systems 30 or wind turbines and / or the proportionate distribution of energy sources constituting the grid energy 28 and / or the share of renewable energy sources 28 generated grid power and / or on the generation of grid energy influencing hours of sunshine and / or solar radiation and / or wind speed, which, for example, by a weather service 48 can be provided. Such a dependence of the control of the intake on grid energy can increase the use of renewable energy sources 28 be promoted and effected. In addition, the consumption devices 20 priority then to absorb grid energy or more grid energy when the share of renewable energy sources 28 generated grid power is high or outweighs. This can save carbon dioxide or reduce the levels of fossil fuels 28 in the electricity grid 14 be reduced.

Alternatively or in addition to the above information, the information may be information characterizing the network energy or its generation, for example, current or future price offers and / or price changes and / or the ratio of electricity supply and electricity demand and / or the available amount of electricity and / or electricity prices. The effort for the connection user 19 , the control of the intake amount of network power of the consumption device 20 make, for example, to achieve a low-cost uptake of grid power is imperceptible.

The information may be information characterizing the use of network energy, for example via an automatically created or by the connection user 19 specified usage profile of the connection user 19 and / or the consumer device 20 in itself and / or existing and / or estimated consumption data of the subscriber 19 and / or the consumer device 20 and / or the existing and / or estimated usage behavior of the subscriber 19 and / or the consumer device 20 and / or on the basis of the connection user certain specifications for the preference of certain energy sources and / or the connection user 19 predetermined price range and / or one of the connection user 19 predetermined operating period for the respective consumption device 20 , This allows an individual on the connection user 19 and / or on the consumption device 20 adjusted change in the intake on Mains power of the consumption device 20 be enabled. Besides, the connection user has 19 the possibility of defining framework conditions that influence the change in the intake of grid energy without having to act or intervene permanently.

For example, it is the port user 19 possible, his consumption device 20 for example an electric car 22 then recharge, if sufficient or exclusive electricity from renewable energy sources 28 is available.

Here is a specific, illustrative example:

The connection user comes with the electric vehicle 22 in the evening from work to home, for example, at 18:00 clock. The electric vehicle 22 should be recharged until the following morning, for example until 6:00 the next morning. This information is the profile of the respective consumer device 20 , here the electric vehicle 22 , assigned. On the basis of further information, for example on the share of renewable energy sources 28 and / or the estimated or current electricity price, is output by the data processing unit 10 the appropriate control command to the control unit 12 according to these specifications, so that the target, the next morning at 6:00 a charged electric vehicle 22 having these requirements can be achieved.

Also other consumer devices consuming a lot of network power 20 do not have to adhere to strictly specified operating times. Thus, a cooling system, which usually has a thermal insulation and a certain heat capacity, for example within 24 Hours for a few hours to provide sufficient cooling throughout the day.

These operating times, which include the consumption device 20 Network power can be distributed throughout the day by the control unit 12 be determined.

Even a washing machine or a tumble dryer should usually perform their task within a certain time window, the actual operating time to which the consumer appliances 20 Mains power, then within this time window on the control unit 12 depending on the data processing unit 10 received information is set.

In 2 Fig. 3 is a flowchart of a method of controlling the amount of energy input to a network according to a specific embodiment of the invention. A data processing unit 10 serves the capture 100 an information characterizing the network energy, its generation or its use 102 , Depending on this information 102 causes the data processing unit 10 the edition 104 from a control command. This control command becomes a control unit 12 transmitted 106 , This control command is issued by the control unit 12 receive 108 , Depending on the control command, the control unit causes 12 a change 110 the amount of energy absorbed by a consumer device 20 ,

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• DE 112015004810 T5 [0004]

Claims (10)

Data processing unit (10) for detecting and processing at least one electrical network energy present in a grid network (14) which can be operated by a network operator, the generation or use of which characterizes the information, the data processing unit (10) being connected to an end-user network (18) of a connection user (19), which is connected to the power supply (14), is associated, wherein at least one electrical power device (20) to the Endabnehmerstromnetz (18) is connected to receive the network power and the data processing unit (10) depending on the information a control command to a control unit (12 ) causes and the control unit (12) can change the intake amount of network power of the consumption device (20) automatically and in response to the control command. Control unit (12) for controlling the amount of electrical grid energy absorbed by an electrical utility appliance (20) connectable to an end user power network (18) of a subscriber (19) for receiving the grid power, the retail utility grid (18) being connected to a power grid operable by a grid operator (14) is connected, wherein the control unit (12) automatically and depending on at least one of the network energy, their generation or their use characterizing information, the intake amount of network energy of the consumption device (20) can change. Method for controlling the amount of electrical grid energy absorbed by an electrical consumer device (20) which can be connected to an end-user network of a connection user for receiving the grid energy, wherein the consumer network is connected to a grid that can be operated by a grid operator and a data processing unit (10) and a control unit (10) 12), the data processing unit (10) acquires (100) information (102) characterizing the network energy, its generation or its use, and outputs a control command to the control unit (12) depending on the information (102) and the control unit (12) receives the control command (108) and, depending on this, independently changes the absorption quantity of network energy of the consumption device (110). Data processing unit (10), control unit (12) or method according to one of the preceding claims, characterized in that the information is one of the network operator (40) and / or from an energy supplier (42) and / or an energy exchange (44) and / or information provided by the subscriber (19) and / or by a weather service (48). Data processing unit (10), control unit (12) or method according to one of the preceding claims, characterized in that the information is at least one of the following information characterizing the network energy or its generation: current and / or estimated current capacity and / or current and / or estimated Network load and / or amount of over and / or underproduction of grid energy and / or estimated amount of regenerative energy generation (28) and / or pro rata sharing of energy sources (28) and / or share of grid energy generated by renewable energy sources (28) and / or current or future price quotations and / or price changes and / or ratio of electricity supply and electricity demand and / or available amount of electricity and / or electricity prices and / or hours of sunshine and / or solar radiation and / or wind speed influencing the generation of grid energy. Data processing unit (10), control unit (12) or method according to one of the preceding claims, characterized in that the information is at least one of the following information characterizing the use of network energy: automatically generated or predefined by the connection user (19) usage profile (46) of Connection user (19) and / or the consumption device (20) and / or existing and / or estimated consumption data of the connection user (19) and / or the consumption device (20) and / or existing and / or estimated usage behavior of the connection user (19) and / or of the consumer device (20) and / or the connection user (19) certain specifications on preference of specific energy sources (28), in particular renewable energy sources (28) and / or the connection user (19) predetermined price frame and / or by the connection user (19) predetermined operating period for the consumption device. Data processing unit (10), control unit (12) or method according to one of the preceding claims, characterized in that the change in the intake amount of grid energy is a reduction and / or shutdown and / or increase and / or connection of the intake amount. Data processing unit (10), control unit (12) or method according to one of the preceding claims, characterized in that the control command is dependent on whether the characteristic corresponding to the information exceeds a predetermined threshold and / or falls below Data processing unit (10), control unit (12) or method according to one of the preceding claims, characterized in that the data processing unit (10) and / or the control unit (12) is arranged centrally or respectively associated with the consumption device (20) Data processing unit (10), control unit (12) or method according to one of the preceding claims, characterized in that the change takes place continuously or in predetermined sections.

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