EP3314721A1 - Système de gestion d'énergie pour un système de production d'énergie - Google Patents

Système de gestion d'énergie pour un système de production d'énergie

Info

Publication number
EP3314721A1
EP3314721A1 EP16709702.1A EP16709702A EP3314721A1 EP 3314721 A1 EP3314721 A1 EP 3314721A1 EP 16709702 A EP16709702 A EP 16709702A EP 3314721 A1 EP3314721 A1 EP 3314721A1
Authority
EP
European Patent Office
Prior art keywords
converter
energy
electrical
power
connection line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP16709702.1A
Other languages
German (de)
English (en)
Inventor
Olaf Wollersheim
Andreas Gutsch
Michael Rentzsch
Thomas Timke
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.)
Karlsruher Institut fuer Technologie KIT
Original Assignee
Karlsruher Institut fuer Technologie KIT
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 Karlsruher Institut fuer Technologie KIT filed Critical Karlsruher Institut fuer Technologie KIT
Publication of EP3314721A1 publication Critical patent/EP3314721A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/50—Energy storage in industry with an added climate change mitigation effect

Definitions

  • the invention relates to a DC-coupled energy management system for a power generation plant, in particular a photovoltaic system, a power generation plant with a DC coupled energy management system, a DC / DC converter for a DC coupled energy management system, and a method of operating a power plant with a DC coupled energy management system.
  • PV modules photovoltaic modules
  • strings of a PV unit.
  • the typical current in such an electrical connection line is in the range of 0.1 to 30 A.
  • DC cable connected to a string input of a grid connected inverter The grid-connected inverter may optionally have several such string inputs, to each of which a string can be connected.
  • a power generating device designed as a photovoltaic system with a converter device with DC / DC converter wherein the converter device via a first bidirectional DC connection to a battery for discharging and charging the battery and via a second DC Connection is connected to a grid-connected inverter.
  • the converter device has a third DC connection, with which it is connected directly to the photovoltaic system.
  • the second and third DC connection can be bridged via internal or external switches in such a way that the power of the energy generation device can be fed directly into the supply network-coupled inverter. Further, a switch is disposed between the DC / DC converter and the second DC terminal and the third DC terminal to connect the DC / DC converter of the second DC port and the third DC port to decouple, if z. B. the solar module in the dark state or at night no external voltage tolerates.
  • An object of the invention is therefore to provide a DC coupled power management system which can be easily coupled to a power plant and efficiently operated.
  • Other objects of the invention are to make a power plant capable of being operated efficiently with a DC coupled power management system, to provide a DC / DC converter for such a DC coupled power management system, and to provide a method of operating such a power plant efficient operation possible.
  • the invention is based on a DC-coupled energy management system for a power generation plant, in particular a photovoltaic system comprising a control unit, a sensor unit for measuring an electrical balance between consumers of the power generation plant and a grid connection of a power supply network, and a DC / DC converter having a first terminal is connected to an electrical connection line of the power generation plant between an energy converter and a supply network coupled inverter and with a second connection to at least one energy storage unit.
  • a DC-coupled energy management system for a power generation plant in particular a photovoltaic system comprising a control unit, a sensor unit for measuring an electrical balance between consumers of the power generation plant and a grid connection of a power supply network, and a DC / DC converter having a first terminal is connected to an electrical connection line of the power generation plant between an energy converter and a supply network coupled inverter and with a second connection to at least one energy storage unit.
  • the control unit is in communication with the sensor unit, the energy storage unit and the DC / DC converter.
  • the energy converter is provided for providing a variable DC power depending on operating and / or environmental conditions.
  • the grid-connected inverter is designed to power one or more loads and connected to the grid connection.
  • the DC / DC converter is bidirectional, so that electrical energy can be removed from the electrical connection line and / or electrical energy can be supplied to the electrical connection line. In this case, the removal or the supply of electrical energy by the DC / DC converter by means of the control unit is controllable, wherein the control unit controls the DC / DC converter according to the electrical balance determined by the sensor unit.
  • the energy supply network can in particular be a public or private, in particular an economically balanced, energy supply network.
  • a PV system with PV modules generates, according to their specific and, if appropriate, material-dependent current / voltage characteristic, a DC voltage and a DC current corresponding to the respective operating state, which is converted into AC by means of the supply-network-coupled inverter.
  • the DC internal resistance of the supply-network-coupled inverter is set by the control logic of the inverter in such a way that a maximum electrical power can be generated in the respectively current operating state of the PV modules.
  • This control strategy is referred to as Maximum Power Point Tracking (MPPT).
  • the MPPT methodology allows the grid-connected inverter to be able to maintain the actual instantaneous power of the PV modules by changing its internal electrical resistance to one power
  • the grid-connected inverter is unable to produce more electrical power than the PV modules can provide in their current operating state at maximum efficiency according to the MPPT method, the instantaneous maximum power of the PV modules This depends mainly on the radiation intensity, the module temperature and the aging state of the modules.When the modules are operated at the MPP point, a further increase in the electrical output of these modules is not possible. This means that it is possible for a conventional grid-connected PV system to the PV To reduce power to zero, but not to provide more AC power, as it is physically possible according to the aforementioned factors.
  • the energy management system according to the invention allows operation of the power generation plant even at reduced power of the energy converter, so that operation of the power generation plant is also possible 24 hours a day and in which the disadvantages of the prior art DC coupling of a connected energy storage can be avoided.
  • an energy converter such as a photovoltaic unit (PV unit)
  • PV unit photovoltaic unit
  • DC / DC converter bidirectional DC-DC converter
  • the T-shaped connection point may expediently have a suitable unidirectional blocking element on the side facing the energy converter, which prevents unwanted feedback from the energy storage unit into the energy converter, in particular a diode or a corresponding circuit which prevents such recovery from the energy storage unit into the energy converter , and which is connected to the energy converter in the reverse direction.
  • the DC / DC converter has a maximum of two power-carrying terminals for one plus and one minus pole.
  • a power-carrying electrical connection is connected to the electrical connection line and the second power-carrying electrical connection is connected to an energy storage unit, for example a rechargeable battery system or a condenser unit.
  • the bidirectional DC / DC converter is able to conduct electrical energy generated in the energy converter to the energy storage unit and / or to conduct electrical energy from the at least one energy storage unit to the grid-coupled inverter.
  • the DC / DC converter is provided for voltage adjustment between the electrical connection line and the energy storage unit.
  • the DC / DC converter and the energy storage unit are one Communication line connected to the central control unit of the energy management system. There is no communication line or other type of communication structure to the grid-coupled inverter.
  • the control unit is thus able to control the DC / DC converter according to the electrical balance determined by the sensor unit.
  • the internal resistance of the grid-connected inverter via the electrical balance, to which the DC / DC converter is controlled can be suitably influenced as if the entire energy that is supplied to the supply network coupled inverter input side, would come from the energy converter.
  • the DC / DC converter can be designed to emulate a current / voltage characteristic of the energy converter when feeding electrical energy into the electrical connection line.
  • the MPPT method of the grid-connected inverter as above described, is not adversely affected and the grid-connected inverter continues, for example, at night when a PV module generates no energy, the DC / DC converter operates favorably with respect to the target power supply or removal, according to the connection of transported electricity as a function of the voltage according to a current / voltage characteristic of the energy converter, so for example a silicon-based photovoltaic cell or other suitable materials with photovoltaic effect.
  • the sensor unit may comprise at least one AC sensor, the sensor unit preferably detecting at least current and / or voltage and / or frequency of the electrical power at the mains connection with a time resolution of less than 200 msec, preferably less than 100 msec.
  • the connected consumers of the power generation plant usually operate as AC powered components because they are connected to a conventional power supply to which the power generation plant is connected via the grid-connected inverter. Therefore, it is advantageous if the AC power of the consumer is detected with a suitable time resolution to represent the electrical balance of the power plant.
  • the energy storage unit may have a rechargeable battery system and / or a capacitor unit and / or a flywheel storage.
  • Storage systems are conceivable, which allow to absorb electrical energy and in a suitable form, possibly also as mechanical or chemical energy, to store and release the stored energy directly as electrical energy or to convert the stored energy form back into electrical energy and deliver it.
  • the one or more power generation units may be operable as constant voltage sources.
  • the operation of the AC / DC or DC / DC converter of the power generation units connected to the DC bus of the energy storage unit takes place with respect to the output voltage to the DC bus of the energy storage unit as a quasi-constant voltage source.
  • the energy management system according to the invention is cheap to operate via the controlled by the control unit DC / DC converter.
  • the energy storage unit and / or the DC / DC converter and / or the inverter for the operation of the one or more power generation units can be controlled via the control unit.
  • the power generation units are not connected to the control unit of the grid-connected inverter and receive from there so also no information and also send no signals there.
  • the control unit controls the advantageous use of the various power generation units according to the current operation of Energy converters and consumers according to the current electrical balance determined by the sensor unit.
  • a power generation plant in particular a photovoltaic system, with a DC coupled
  • Energy management system comprising an energy converter, in particular a photovoltaic unit, which is provided for providing a variable DC power depending on operating and / or environmental conditions, and a supply network coupled inverter, which is provided for feeding one or more consumers and connected to a grid connection of a power grid is.
  • the power generation plant comprises a control unit, a sensor unit for measuring an electrical balance between consumers and the grid connection, and a DC / DC converter connected to a first connection to an electrical connection line between the energy converter and the grid-coupled inverter and to a second terminal at least one energy storage unit is connected.
  • the control unit is designed for communication with the sensor unit, the energy storage unit and the DC / DC converter.
  • the DC / DC converter is bidirectional, so that electrical energy can be removed from the electrical connection line and / or electrical energy can be supplied to the electrical connection line.
  • the removal or supply of electrical energy can be controlled by the DC / DC converter by means of the control unit, wherein the control unit controls the DC / DC converter according to the electrical balance determined by the sensor unit.
  • the electrical connection line may comprise a unidirectional blocking element which prevents unwanted feeding back of the energy storage unit into the energy converter, in particular a diode or a corresponding circuit which prevents such return from the energy storage unit in the energy converter, which between an output of the energy converter and a Connection point of the DC / DC converter is arranged in the electrical connection line and is connected in the reverse direction to the energy converter.
  • a DC / DC converter for a DC-coupled power management system is proposed, with a first terminal connected to an electrical connection line of a
  • Power generation plant between an energy converter and a grid-coupled inverter and with a second terminal which is connected to at least one energy storage unit, wherein a removal of electrical energy from the electrical connection line or supplying electrical energy to the electric
  • Connecting line is controlled by a control unit.
  • the control unit controls the DC / DC converter according to the electrical balance determined by a sensor unit between consumers of the power generation system and a mains connection.
  • at least one load of the power generation plant preferably all consumers of the power generation plant, are advantageously taken into account for detecting the electrical balance.
  • a method for operating a power generation plant with a DC coupled energy management system comprising detecting the electrical balance between consumers of the power generation plant and a grid connection of a power supply network by means of a sensor unit, controlling a DC / DC converter, the at least an energy storage unit is connected by means of a control unit according to the electrical balance determined by the sensor unit, and the removal or supply of electrical energy by the DC / DC converter to an electrical connection line between an energy converter and a power supply system coupled to the grid.
  • the operation of the energy management system according to the invention takes place as in
  • the sensor unit preferably designed as an AC sensor, detects with a temporal resolution of in particular less than 200 msec, preferably less than 100 msec in the relevant electrical balance space between the consumers of the power generation plant and the grid connection at least the relevant AC grid data: current, voltage .
  • the central control unit additionally evaluates all further state variables of the further energy storage devices and energy generation units connected to the DC bus of the energy storage unit and then decides which operation the DC / DC converter should perform in the following rule interval.
  • the decision of the central control unit is based on the consideration of the state variables of the connected components, taking into account the specific instantaneous performance of the connected components and taking into account the specific costs of the electrical energy caused by the various connected components.
  • the aim is to minimize the total costs of the demand-oriented provision of electrical energy from the energy converter, in particular the renewable energy source, and thereby to optimize the overall economy of the power generation plant.
  • the internal resistance of the supply-network-coupled inverter can be suitably influenced as if all the energy supplied to the supply network-coupled inverter on the input side is taken from the Energy converter would come.
  • the bidirectionally formed DC / DC converter then carries out the necessary operation, wherein there are two operating states of the DC / DC converter. These are: to draw electrical energy from the electrical connection line, to supply electrical energy to the electrical connection line.
  • the MPPT method of the grid-connected inverter is not adversely affected and the grid-coupled inverter continues, for example, at night when a PV module does not generate energy, the DC / DC operates With respect to the target power supply or removal, according to the relationship of transported current as a function of voltage according to a current / voltage characteristic of the energy converter, so for example a silicon-based photovoltaic cell.
  • This control strategy of the DC / DC converter in no way adversely affects the MPPT control logic of the grid-connected inverter, so that the grid-connected inverter does not detect a difference between the "true" electrical power of the energy converter and the resulting electrical power provided by the energy management system.
  • each Any utility-coupled inverter can be used for AC supply of any type of renewable electrical energy.
  • the invention is therefore particularly suitable for the further integration of renewable electric power generation units, because no special devices for the DC / AC conversion are necessary and the AC feed is thus based on a device technology that has already been operated successfully over many decades.
  • the operation of the DC / DC converter can take place in parallel with the operation of the energy converter.
  • both operating states of the DC / DC converter namely the removal of electrical energy from the electrical connection line, as well as the supply of electrical energy in the electrical connection line, be carried out in parallel to the operation of the energy converter, so that the converted from the supply network inverter Energy may consist partly of the energy supplied by the energy converter and partly of the energy supplied by the energy storage unit.
  • the energy management system can at least one of the operating states (i) generating electrical energy by the energy converter and supplying electrical energy through the DC / DC converter to the electrical connection line, (ii) generating electrical energy by the energy converter and removing electrical energy the DC / DC converter from the electrical connection line, or (iii) supplying electrical energy to the electrical connection line through the DC / DC converter.
  • These operating states of the energy management system result in particular with regard to the joint operation of energy converters and DC / DC converters, and in particular to the two operating states of the DC / DC converter for removing electrical energy from the electrical connection line, as well as the supply of electrical energy in the electrical connection line.
  • the third operating state of the energy management system (iii) supplying electrical energy to the electrical connection line through the DC / DC converter in particular represents the night mode of the power generation plant.
  • the control unit can control the DC / DC converter with the goal of a zero net electrical balance determined by the sensor unit.
  • Such operation is advantageous because the energy consumed by consumers is completely removed from the operation of the system Energy production plant is removed and no energy from the power grid, such as a public or private, especially economically balanced network must be removed. As a result, the operation of the consumer with respect to the power generation unit is self-sufficient. On the other hand, no energy is supplied to the power grid, which can be favorable under certain conditions, which may depend on corresponding energy supply contracts. Alternatively, it is also conceivable to choose a different target variable instead of the target quantity of a net electrical balance of zero.
  • control unit can also control the DC / DC converter with the aim of maximum power output of the power generation plant on the basis of the available DC power at the input of the supply-network-coupled inverter.
  • Such operation of the energy management system may be advantageous if from the power generation plant to be taken at the time under the given boundary conditions, such as current weather, state of the system, current electricity costs, maximum deliverable power. Thus, possibly a cost-optimal operation of the power generation plant can be realized.
  • Fig. 1 is a block diagram of a power plant with a
  • the power generation plant 100 which can represent in particular a photovoltaic system, is formed with the DC-coupled energy management system 10.
  • the power generation plant 100 includes the energy converter
  • the DC-coupled energy management system 10 comprises the control unit 30, which is connected via the communication line 36 to the sensor unit 32 for measuring an electrical balance between consumers 80 and the grid connection 20 of the power supply network 200, and the DC / DC converter 22 connected to the first terminal 24 is connected via the T-shaped connection point 54 to the electrical connection line 16 between the output 62 of the power converter 12 and the input 28 of the supply-network-coupled inverter 14 and to the second terminal 26 via the line 60 to the energy storage unit 40.
  • the sensor unit 32 comprises at least one AC sensor, wherein the sensor unit 32 preferably at least current and / or voltage and / or frequency of the electrical power between the consumers 80 and the power supply 20 with a time resolution of less than 200 msec, preferably less than 100 msec detected.
  • the energy storage unit 40 may include a rechargeable battery system and / or a capacitor unit and / or a flywheel storage.
  • Control unit 30 controllable, which control unit 30 controls the DC / DC converter 22 via the communication line 34 according to the determined by the sensor unit 32 between consumers 80 of the power generation plant 100 and the power supply 20 electrical balance.
  • the method of operating the power plant 100 with the DC coupled power management system 10 includes sensing the electrical balance between the consumers 80 of the power generation plant 100 and the grid connection 20 of the power supply network 200 by means of the sensor unit 32, the control of the DC / DC converter 22, which is connected to the energy storage unit 40, by the control unit 30 after that of the sensor unit 32nd certain electrical balance, and further the removal or supply of electrical energy through the DC / DC converter 22 on the electrical connection line 16 between the power converter 12 and the grid-connected inverter 14 of the power generation plant 100.
  • the operation of the DC / DC converter 22 can be parallel to operate the energy converter 12 done.
  • the energy management system 10 can thus each have at least one of the operating states (i) generating electrical energy by the energy converter 12 and supplying electrical energy through the DC / DC converter 22 to the electrical connection line 16, (ii) generating electrical energy by the energy converter 12 and withdrawing electrical energy through the DC / DC converter 22 from the electrical connection line 16, or (iii) supplying electrical energy to the electrical connection line 16 through the DC / DC converter 22 perform.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Direct Current Feeding And Distribution (AREA)

Abstract

L'invention concerne un système de gestion d'énergie (10) couplé par courant continu et destiné à une installation de production d'énergie (100), en particulier une installation photovoltaïque. Ledit système comprend une unité de commande (30), une unité de détection (32) pour la mesure d'un bilan électrique entre des consommateurs (80) de l'installation de production d'énergie (100) et un branchement de réseau (20) d'un réseau de distribution d'énergie (200), ainsi qu'un convertisseur CC/CC (22) qui est relié par un premier branchement (24) à une ligne de liaison électrique (16) de l'installation de production d'énergie (100) entre un convertisseur d'énergie (12) et un onduleur (14) couplé au réseau de distribution ainsi que par un deuxième branchement (26) à au moins une unité d'accumulation d'énergie (40). L'unité de commande (30) est réalisée pour la liaison de communication avec l'unité de détection (32), avec l'unité d'accumulation d'énergie (40) et avec le convertisseur CC/CC (22). Selon l'invention, le convertisseur d'énergie (12) fournit une puissance électrique continue variable en fonction des conditions de fonctionnement et/ou d'environnement. Par ailleurs, un retrait ou un apport d'énergie électrique peut être commandé par le convertisseur CC/CC (22) au moyen de l'unité de commande (30), l'unité de commande (30) commandant le convertisseur CC/CC (22) d'après le bilan électrique déterminé par l'unité de détection (32). L'invention concerne en outre une installation de production d'énergie (100) pourvue d'un système de gestion d'énergie (10) de ce type couplé par courant continu, un convertisseur CC/CC pour un un système de gestion d'énergie (10) de ce type couplé par courant continu, ainsi qu'un procédé servant à faire fonctionner une installation de production d'énergie (100) de ce type avec un système de gestion d'énergie (10) de ce type couplé par courant continu.
EP16709702.1A 2015-06-29 2016-03-11 Système de gestion d'énergie pour un système de production d'énergie Ceased EP3314721A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015008305.8A DE102015008305A1 (de) 2015-06-29 2015-06-29 Energiemanagementsystem für ein Energieerzeugungssystem
PCT/EP2016/000440 WO2017001030A1 (fr) 2015-06-29 2016-03-11 Système de gestion d'énergie pour un système de production d'énergie

Publications (1)

Publication Number Publication Date
EP3314721A1 true EP3314721A1 (fr) 2018-05-02

Family

ID=55527511

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16709702.1A Ceased EP3314721A1 (fr) 2015-06-29 2016-03-11 Système de gestion d'énergie pour un système de production d'énergie

Country Status (4)

Country Link
EP (1) EP3314721A1 (fr)
AU (1) AU2016286182B2 (fr)
DE (1) DE102015008305A1 (fr)
WO (1) WO2017001030A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ307935B6 (cs) * 2017-12-29 2019-08-28 Vysoká škola báňská – Technická univerzita Ostrava Způsob a zařízení pro balancování parametrů kvality elektrické energie v elektrické síti
DE102019132336A1 (de) * 2019-11-28 2021-06-02 Sma Solar Technology Ag Wandlervorrichtung und betriebsverfahren

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06266458A (ja) * 1993-03-16 1994-09-22 Kansai Electric Power Co Inc:The バッテリ併用型太陽光発電設備
JP2003079054A (ja) * 2001-08-31 2003-03-14 Sanyo Electric Co Ltd 蓄電池を備えた太陽光発電システム
WO2010094012A1 (fr) * 2009-02-13 2010-08-19 First Solar, Inc. Système de générateur photovoltaïque
CN102422242A (zh) * 2009-04-30 2012-04-18 夏普株式会社 控制设备和控制方法
US8854004B2 (en) * 2011-01-12 2014-10-07 Samsung Sdi Co., Ltd. Energy storage system and controlling method thereof
DE202012013242U1 (de) 2011-11-21 2015-08-07 E3/Dc Gmbh Batteriewechselrichter und Vorrichtung zur Versorgung eines Hauses mit elektrischer Energie
DE102012002185B4 (de) * 2012-02-07 2019-11-07 Sew-Eurodrive Gmbh & Co Kg Energiegewinnungssystem mit Energiespeicher, Verfahren zum Betreiben eines Energiegewinnungssystems
DE102013105636A1 (de) * 2013-05-31 2014-12-04 Karlsruher Institut für Technologie Elektrischer Stromerzeuger mit Stromspeicher und Verfahren zum Betreiben desselben
DE102013112077B4 (de) * 2013-11-04 2020-02-13 Sma Solar Technology Ag Verfahren zum Betrieb einer Photovoltaikanlage mit Energiespeicher und bidirektionaler Wandler für den Anschluss eines Energiespeichers

Also Published As

Publication number Publication date
AU2016286182B2 (en) 2020-12-24
AU2016286182A1 (en) 2018-02-15
DE102015008305A1 (de) 2016-12-29
WO2017001030A1 (fr) 2017-01-05

Similar Documents

Publication Publication Date Title
EP2924839B1 (fr) Régime de secours monophasé d'un onduleur triphasé et onduleur correspondant
DE102010055550A1 (de) Wechselrichter, Energieerzeugungsanlage und Verfahren zum Betrieb einer Energieerzeugungsanlage
EP2270949B1 (fr) Procédé d'alimentation d'un consommateur en énergie électrique
DE102014009931A1 (de) Stromwandlervorrichtung, Energiespeichersystem und Verfahren zum Betreiben einer Stromwandlervorrichtung
WO2013045072A2 (fr) Installation photovoltaïque comportant une sécurité contre l'injection dans un réseau électrique public
DE102012023426A1 (de) Elektrische Anordnung und elektrische Anlage mit einer elektrischen Anordnung
DE102010000350A1 (de) Energieversorgungssystem mit regenerativer Stromquelle und Verfahren zum Betrieb eines Energieversorgungssystems
WO2011131655A2 (fr) Système de production de courant et procédé destiné à faire fonctionner un tel système
DE102013111608A1 (de) Photovoltaikanlage mit Speicherbatterie und Nachrüstsatz für eine Photovoltaikanlage
EP3472913B1 (fr) Unité d'alimentation en énergie électrique et commande afférente
DE102012002599B4 (de) Energieerzeugungsanlage mit Wechselrichter und Energiespeichersystem
EP3314721A1 (fr) Système de gestion d'énergie pour un système de production d'énergie
WO2021099085A1 (fr) Procédé de détermination d'un paramètre de fonctionnement d'une installation pv, installation pv dotée d'un onduleur et onduleur pour une telle installation pv
WO2015004034A2 (fr) Ensemble électrique pourvu d'un onduleur et commutateur intermédiaire pour l'ensemble électrique
EP3472909B1 (fr) Unité de gestion d'énergie, système de gestion d'énergie et procédé de gestion d'énergie
DE102012002601A1 (de) Energieerzeugungsanlage mit kostengünstigem Energiespeichersystem
DE202012013242U1 (de) Batteriewechselrichter und Vorrichtung zur Versorgung eines Hauses mit elektrischer Energie
EP3146608A1 (fr) Système destiné à injecter de l'énergie électrique dans un réseau de distribution d'énergie
DE102011088059A1 (de) Modulares Energiespeichersystem zur Speicherung von elektrischer Energie
DE102020206811A1 (de) Solarmodul, Verfahren und System zum Erzeugen von elektrischer Energie mittels Sonnenenergie und zum Einspeisen der erzeugten elektrischen Energie in ein Stromnetz
WO2024100048A1 (fr) Système onduleur et procédé pour faire fonctionner ledit système onduleur
DE102015001010A1 (de) Energieübertragungssystem und Verfahren zu seinem Betrieb
DE102011056138A1 (de) System zur Nutzung und Speicherung elektrischer Energie verschiedenartiger Energiequellen
DE202023105494U1 (de) Steckersolargerät
DE102021110110A1 (de) Speichervorrichtung und Verfahren zum Übertragen eines Gleichstroms

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20171208

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20210311

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

REG Reference to a national code

Ref country code: DE

Ref legal event code: R003

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED

18R Application refused

Effective date: 20220523