WO2017001030A1 - 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 Download PDF

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Publication number
WO2017001030A1
WO2017001030A1 PCT/EP2016/000440 EP2016000440W WO2017001030A1 WO 2017001030 A1 WO2017001030 A1 WO 2017001030A1 EP 2016000440 W EP2016000440 W EP 2016000440W WO 2017001030 A1 WO2017001030 A1 WO 2017001030A1
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WO
WIPO (PCT)
Prior art keywords
converter
energy
electrical
power
connection line
Prior art date
Application number
PCT/EP2016/000440
Other languages
German (de)
English (en)
Inventor
Olaf Wollersheim
Andreas Gutsch
Michael Rentzsch
Thomas Timke
Original Assignee
Karlsruher Institut für Technologie
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 für Technologie filed Critical Karlsruher Institut für Technologie
Priority to AU2016286182A priority Critical patent/AU2016286182B2/en
Priority to EP16709702.1A priority patent/EP3314721A1/fr
Publication of WO2017001030A1 publication Critical patent/WO2017001030A1/fr

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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 central control unit is connected to a suitable sensor unit, for example an alternating current (AC) sensor in communication connection.
  • the AC sensor is arranged downstream of the supply-network-coupled inverter in the current flow direction, wherein between the supply network coupled inverter and the AC sensor at least one, preferably all, consumers of the relevant electrical balance space are arranged.
  • the sensor unit detects at a predetermined time resolution 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 and / or voltage and / or frequency in each phase. These data are transmitted via the communication line to the central control unit.
  • the evaluation of these data in the central control unit gives the instantaneous electrical energy flow in the predetermined temporal resolution and thus the net electrical balance of the power generation plant.
  • 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 electrical connection line may have a unidirectional blocking element, which prevents unwanted feedback from the energy storage unit in the energy converter, in particular a diode or a corresponding circuit that prevents such feedback, 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 unidirectional blocking element which prevents unwanted feedback from the energy storage unit in the energy converter
  • a diode or a corresponding circuit that prevents such feedback 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.
  • 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 DC / DC converter via the second terminal with one or more power generation units in particular a power generation unit of a fuel cell system, an AC block heating, a DC block heating, a motor generator or the like may be connected.
  • the energy management system may have between the DC / DC converter and the energy storage unit on a DC bus another T-shaped connection point as an electrical connection to further electric power generation units.
  • These power generation units may be, for example, wind turbines, fuel cells, biogas plants, micro-block heating or conventional fossil-powered motor generators.
  • These power generation units are advantageously unidirectional, i. operated with power flow to the DC bus out. All of these power generation units are connected to the central control unit of the energy management system.
  • 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 sole FIGURE 1 shows a block diagram of a power generation plant 100 with an energy management system 10 according to an embodiment of the
  • 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 power generation plant 100 includes the supply network coupled inverter 14, which is provided for feeding one or more consumers 80 and is connected to the grid connection 20 of the power supply network 200.
  • the supply network coupled inverter 14 which is provided for feeding one or more consumers 80 and is connected to the grid connection 20 of the power supply network 200.
  • three consumers 81, 82, 83 are connected to the line 56 between the output 18 of the supply-network-coupled inverter 14 and the mains connection 20.
  • 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.
  • the electrical connection line 16 of the power plant 100 includes the unidirectional blocking element 52, such as a diode that prevents unwanted feedback from the energy storage unit 40 into the power converter 12, which is between the output 62 of the power converter 12 and the connection point 54 of the DC / DC converter 22 is arranged in the electrical connection line 16 and is connected in the reverse direction to the energy converter 12 out.
  • the unidirectional blocking element 52 such as a diode that prevents unwanted feedback from the energy storage unit 40 into the power converter 12
  • the connection point 54 of the DC / DC converter 22 is arranged in the electrical connection line 16 and is connected in the reverse direction to the energy converter 12 out.
  • the DC / DC converter 22 is bidirectional, so that electrical energy can be removed from the electrical connection line 16 and / or electrical energy can be supplied to the electrical connection line 16.
  • the removal or supply of electrical energy by the DC / DC converter 22 is by means of
  • 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 DC / DC converter 22 is designed to emulate a current / voltage characteristic of the energy converter 12 when electrical energy is fed into the connection line 16. Further, the DC / DC converter 22 is connected through the second terminal 26 at the T-shaped terminal 58 to a plurality of power generating units, here, the fuel cell system 41, the AC block heating power plant 42, the DC block heating power plant 43, and the motor generator 44, which the additional supply of electrical energy via the DC / DC converter 22 in the electrical connection line 16 and thus in the supply network coupled inverter 14 can serve to power consumers 80.
  • the power generation units 41, 42, 43, 44 are operable as constant voltage sources.
  • DC / DC converter 70 and inverter 72 for the operation of the power generation units 41, 42, 43, 44 can also be actuated via the control unit 30 via the communication line 38.
  • 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.
  • the control unit 30 may thus control the DC / DC converter 22 with the goal of a net zero or other target determined by the sensor unit 32.
  • the controller 30 may control the DC / DC converter 22, for example, with the goal of maximum power output of the power plant 100 based on the available DC power at the input 28 of the utility grid coupled inverter 14.

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  • 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.
PCT/EP2016/000440 2015-06-29 2016-03-11 Système de gestion d'énergie pour un système de production d'énergie WO2017001030A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2016286182A AU2016286182B2 (en) 2015-06-29 2016-03-11 Energy management system for an energy generation system
EP16709702.1A EP3314721A1 (fr) 2015-06-29 2016-03-11 Système de gestion d'énergie pour un système de production d'énergie

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
DE102015008305.8 2015-06-29

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WO2017001030A1 true WO2017001030A1 (fr) 2017-01-05

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AU (1) AU2016286182B2 (fr)
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WO (1) WO2017001030A1 (fr)

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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

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