EP4169140A1 - Système comprenant une liaison de transmission de courant continu ou une grille de transmission de courant continu et son procédé de fonctionnement - Google Patents

Système comprenant une liaison de transmission de courant continu ou une grille de transmission de courant continu et son procédé de fonctionnement

Info

Publication number
EP4169140A1
EP4169140A1 EP20771491.6A EP20771491A EP4169140A1 EP 4169140 A1 EP4169140 A1 EP 4169140A1 EP 20771491 A EP20771491 A EP 20771491A EP 4169140 A1 EP4169140 A1 EP 4169140A1
Authority
EP
European Patent Office
Prior art keywords
converter
network
stabilization device
energy
grid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20771491.6A
Other languages
German (de)
English (en)
Inventor
Maxime DELZENNE
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.)
Siemens Energy Global GmbH and Co KG
Original Assignee
Siemens Energy Global GmbH and Co KG
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 Siemens Energy Global GmbH and Co KG filed Critical Siemens Energy Global GmbH and Co KG
Publication of EP4169140A1 publication Critical patent/EP4169140A1/fr
Pending 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • 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
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
    • H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
    • H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
    • H02J3/1842—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein at least one reactive element is actively controlled by a bridge converter, e.g. active filters
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
    • 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
    • Y02E10/70—Wind energy
    • Y02E10/76—Power conversion electric or electronic aspects
    • 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
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/20—Active power filtering [APF]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems
    • Y04S20/222—Demand response systems, e.g. load shedding, peak shaving

Definitions

  • the invention relates to a method for operating an arrangement with at least one DC transmission link or at least one DC transmission network to which at least two converters, each having an AC voltage side and a DC voltage side, are connected.
  • DC transmission links are well known in the field of energy transmission technology and are referred to as HVDC transmission links in the high-voltage range.
  • DC transmission lines are used, for example, to transmit energy from so-called "offshore" wind farms to the mainland.
  • the invention is based on the object of specifying a method for operating an arrangement of the type described in which, in the event of operating changes on the direct current transmission line or the direct current transmission network, network instabilities on the alternating voltage side of at least one of the converters can be reduced.
  • a network stabilization device is connected directly or indirectly to the AC voltage side of one of the converters, hereinafter referred to as converter, which has an energy store for temporarily storing energy and/or an energy consumer for consuming electrical energy for network stabilization, and the network stabilization device of at least one other of the at least two converters, also referred to below as converters, by the close one Converter is separated on the network side, and the network stabilization device is controlled by at least one control signal that is generated by the local or remote converter and transmitted to the network stabilization device.
  • a significant advantage of the method according to the invention is that with the aid of the converter-side control signal generated according to the invention, in the event of operating changes, a targeted activation of the grid stabilization device located on the AC voltage side can be carried out very quickly and grid stabilization of the AC voltage grid connected to the AC voltage side can therefore be achieved very quickly .
  • the network stabilization device can be active in an advantageous manner even before operational changes on the DC transmission line or the DC transmission network affect the AC voltage network, since the information about operational changes is usually already available in the converters even before the AC voltage network is noticeably affected and network instabilities are actually detectable.
  • the remote converter transmits a control signal to the network stabilization device, with which the increase is pointed out and/or the Increase is quanti fi ed, and the grid stabilization device takes energy from the AC voltage grid connected to the nearby converter after receiving this control signal.
  • the remote converter In the event of a decrease in the power fed in by the remote converter or in the direct current fed in by the remote converter into the direct current transmission link or the direct current transmission network, the remote converter preferably transmits a control signal to the network stabilizer ization device with which the decrease is indicated and/or the decrease is quantified. After receiving this control signal, the grid stabilization device preferably feeds energy into the AC voltage grid connected to the nearby converter.
  • the local converter transmits a control signal to the network stabilization device, with which the increase is indicated and/or the increase is quantified by specifying an absolute increase value indicating the increase and/or by specifying an energy increasing by the grid stabilization device, and the grid stabilization device absorbs energy from the AC voltage grid connected to the nearby converter after receiving this control signal.
  • the local converter transmits a control signal to the network stabilization device, which indicates the decrease and/or the decrease is quantified by specifying an absolute decrease value specifying the decrease and/or by specifying the energy to be delivered by the grid stabilization device, and the grid stabilization device feeds energy into the AC voltage grid connected to the nearby converter after receiving this control signal.
  • the nearby converter preferably has at least one energy store.
  • the control signal, which the nearby converter transmits to the grid stabilization device at least also depends on the energy stored in the at least one energy store and/or on the change in the energy stored there over time.
  • the grid stabilization device counteracts the energy change in the energy stored in the nearby converter, specifically by feeding energy into or drawing energy from the AC voltage grid connected to the nearby converter.
  • the grid stabilization device transmits a feedback signal to the nearby converter, which indicates the reactive power consumption of the grid stabilization device, and the nearby converter feeds the reactive power consumption specified in the feedback signal into the AC voltage grid connected to the nearby converter, thereby feeding the grid stabilization device the required reactive power makes available via the AC voltage network.
  • the grid stabilization device has a control device and a rectifier circuit having at least two thyristors, which is connected to the AC voltage grid with a grid-side connection side and with an internal connection side to an electrical energy store and/or an energy consumer Mains stabilization device is connected, and the control device switches on at least one of the thyristors of the rectifier circuit and leaves at least one other thyristor of the rectifier circuit switched off in order to draw energy from the AC voltage network or to feed energy into the AC voltage network.
  • Thyristors are very advantageous in comparison to other switching elements such as IGBTs because of their comparatively low power loss.
  • the invention also relates to an arrangement with at least one DC transmission link or at least one DC transmission network to which at least two converters, each having an AC voltage side and a DC voltage side, are connected.
  • a network stabilization device is connected directly or indirectly to the AC voltage side of one of the converters, hereinafter referred to as converters, which has an energy store for temporarily storing energy and/or an energy consumer for consuming electrical energy for network stabilization, and the grid stabilization device is separated from at least one other of the at least two converters, hereinafter also referred to as converters, on the grid side by the local converter, and the grid stabilization device is controlled by at least one control signal that is generated by the nearby or remote converter and transmitted to the grid stabilization device.
  • the grid stabilization device has a control device and a rectifier circuit having at least two thyristors, which is connected to the AC voltage grid with a grid-side connection side and is connected to an electrical energy store and/or an energy consumer of the grid stabilization device with an internal connection side.
  • the control device is preferably designed in such a way that it carries out the control of the grid stabilization device using the control signal on the converter side. leads and switches on at least one of the thyristors of the rectifier circuit and switches off at least one other of the thyristors of the rectifier circuit for drawing energy from the AC voltage network or for feeding energy into the AC voltage network.
  • At least one transformer is preferably connected between the network-side connection side of the rectifier circuit and the AC voltage network.
  • the or at least one of the transformers preferably has a three-phase connection with star point grounding and a three-phase connection in delta connection.
  • the rectifier circuit preferably includes at least two three-phase connections.
  • One of the three-phase connections of the rectifier circuit is preferably connected to a three-phase connection with star point grounding of one of the transformers and another of the three-phase connections of the rectifier circuit is connected to a three-phase connection in delta connection of the same or another transformer.
  • FIG. 1-5 exemplary embodiments for arrangements according to the invention, on the basis of which exemplary embodiments for the method according to the invention are also explained, and
  • FIGS. 1 to 5 exemplary embodiments for advantageous grid stabilization devices which can be used in the arrangements according to FIGS. 1 to 5.
  • the figures always use the same reference symbols for identical or comparable components.
  • FIG. 1 shows an exemplary embodiment of an arrangement in which a converter 20 on the left in FIG. 1 and a converter 30 on the right in FIG. 1 are connected to a DC transmission path 10 .
  • a network stabilization device 40 is connected to the AC voltage side 31 of the converter 30 on the right in Figure 1, which is connected from the converter 20 on the left in Figure 1, which is far away for you, hereinafter also referred to as converter 20, through the converter 30 on the right, which is close for you, hereinafter closer Converter 30 called, is electrically isolated.
  • the network stabilization device 40 comprises a control device 41, a rectifier circuit 42, which has two or more thyristors T and is connected to the AC voltage side 31 of the nearby converter 30 or is connected to an AC voltage network 50 connected to it.
  • the rectifier circuit 42 is connected to one or more electrical energy stores C and one or more energy consumers R via an internal connection side 42b. To select an energy storage mode or an energy consumption mode, further switches S can be present, which can be opened or closed by the control device 41 .
  • the control device 41 switches to draw energy from the AC voltage network 50 or at least one of the thyristors T of the rectifier circuit 42 on and at least one other of the thyristors T of the rectifier circuit 42 off for feeding energy into the AC voltage network 50 .
  • connection of the rectifier circuit 42 to the AC voltage side 31 of the nearby converter 30 can be a direct connection or an indirect connection, as shown in FIG. 1; in Figure 1 are an example of an internal trans Interposed formator TRI and a filter ACF of the grid stabilization device 40 and a grid-side transformer TR.
  • the control device 41 of the grid stabilization device 40 is connected via a communication line 100 to the remote converter 20, from which it receives a control signal ST via the communication line 100.
  • the remote converter 20 is designed in such a way that it communicates changes in the operating situation on the side of the remote converter 20 to the control device 41 of the grid stabilization device 40 so that it can take suitable measures on the side of the AC voltage grid 50 to stabilize the AC voltage grid 50, for example if it Fluctuations in the energy transmission over the DC transmission link 10 due to a changed feed behavior of the remote converter 20 comes.
  • a control signal ST (+dP, +dl) is transmitted to the grid stabilization device 40, with which the increase is pointed out and the increase is quantified .
  • the network stabilization device 40 draws energy from the AC voltage network 50 connected to the nearby converter 30 for the purpose of network stabilization.
  • Control signal ST (-dP, -dl) to the grid stabilization device, with which reference is made to the decrease and the decrease is quantified.
  • the network stabilization device 40 after receiving the control signal ST(-dP, -dl), the network stabilization device 40 preferably feeds energy into the AC voltage network 50 connected to the nearby converter 30 for the purpose of network stabilization.
  • FIG. 2 shows an embodiment variant of the arrangement according to FIG.
  • the control device 41 of the network stabilization device 40 is not connected to the remote converter 20 via a communication line 100, but only via the direct current transmission path 10.
  • the control signal ST ( ⁇ dP, ⁇ dl) of the remote converter 20 is thus transmitted via the DC transmission link 10, preferably in the form of a modulated high-frequency data signal.
  • FIG. 3 shows a further variant of the exemplary embodiment according to FIG. In the embodiment variant according to FIG when controlling their components or for network stabilization of the AC voltage network 50 evaluates.
  • the local converter 30 transmits a control signal ST to the grid stabilization device 40, which indicates the increase and the increase by specifying a die Increase specifying absolute increase value and / or is quantified by specifying an increasing energy from the grid stabilization device.
  • the grid stabilization device 40 absorbs energy from the AC voltage grid 50 connected to the nearby converter 30 .
  • the local converter 30 preferably transmits a control signal ST to the network stabilization device, with which the decrease is indicated and the decrease is quantified by specifying an absolute decrease value indicating the decrease and/or by specifying one of the energy to be fed in by the grid stabilization device.
  • the grid stabilization device 40 feeds energy into the AC grid 50 connected to the nearby converter 30 .
  • the nearby converter 30 has at least its own energy store and is, for example, a VSC (Voltage Source Concerter) or a multilevel converter.
  • the control signal ST which the nearby converter 30 transmits to the grid stabilization device, preferably also transmits the energy E30 stored in the energy store and/or the change dE30/dt in the energy E30 stored there over time t.
  • the grid stabilization device preferably counteracts the energy change dE30 in the energy E30 stored in the nearby converter 30 by feeding the required amount of energy into the AC voltage grid 50 connected to the nearby converter 30 or removing it from it.
  • the nearby converter 30 will feed the reactive power consumption Q specified in the feedback signal into the AC voltage network 50 connected to the nearby converter 30 and thus make the required reactive power Q available to the network stabilization device via the AC voltage network 50 or. compensate for their removal from the AC voltage network 50 by the network stabilization device 40 .
  • FIG. 4 shows a variant of the embodiment according to FIG.
  • the control signal ST is not transmitted from the nearby converter 30 via a separate communication line 100, but via the AC voltage side 31 of the nearby converter 30 or via the AC mains 50 . Otherwise, the above statements in connection with FIG. 3 apply accordingly.
  • FIG. 5 shows a further advantageous embodiment in which the transformer TR has three windings and thus forms a three-winding transformer.
  • the grid stabilization device 40 is connected to one of the windings of the three-winding transformer TR.
  • the grid stabilization device 40 is connected only indirectly to the AC voltage side 31 of the nearby converter 30, since the transistor TR is interposed. Alternatively, it is possible to connect the AC voltage side 31 of the nearby converter 30 directly to the grid stabilization device 40 .
  • FIGS. 6 to 9 show further exemplary embodiments of advantageous network stabilization devices 40 which can be used in the arrangements according to FIGS. 1 to 5.
  • FIG. 6 shows a network stabilization device 40 with twelve thyristors which are connected to an internal transformer TRI of the network stabilization device 40 and are controlled by the control device 41 .
  • Two impedances Z carry out a potential balancing.
  • FIG. 7 shows a further network stabilization device 40 with twelve thyristors.
  • the grid stabilization device 40 has two three-phase connections 42a1 and 42a2 to which an internal transformer TRI of the grid stabilization device 40 is connected.
  • FIG. 8 shows a grid stabilization device 40 with twenty-four thyristors.
  • the grid stabilization device 40 has two three-phase connections; A star connection of an internal transformer TRI of the grid stabilization device 40 is connected to one of the connections 42a1, and a delta connection of the same internal transformer TRI is connected to the other connection 42a2.
  • FIG. 9 shows a further network stabilization device 40 with twenty-four thyristors.
  • the grid stabilization device 40 has two three-phase connections 42a1 and 42a2 to which an internal transformer TRI of the grid stabilization device 40 is connected.
  • FIG. 10 shows a network stabilization device 40 with forty-eight thyristors.
  • the grid stabilization device 40 has four three-phase connections: A star connection of an upper internal transformer TRI in FIG. 10 is connected to a first of the four connections 42a1, a second of the four connections 42a2 is connected to a delta connection of the upper transformer TRI. A star connection of a lower internal transformer TRI in FIG. 10 is connected to a third of the four connections 42a3, and a delta connection of the lower transformer TRI is connected to a fourth of the four connections 42a4.
  • electrical energy stores C and energy consumers R are present. If only energy is to be consumed by the grid stabilization device 40, then the electrical energy store(s) C can be omitted. If only energy is to be temporarily stored by the grid stabilization device 40 but not consumed, then the electrical consumer or consumers R can be omitted.
  • FIGS. 6 to 9 two energy stores in the form of batteries or capacitors are connected in series as an example; alternatively, more or fewer energy stores can be present.
  • the energy stores C can also be connected differently than shown, for example they can be connected in parallel.
  • reference numerals Z denote impedances for potential balancing; Such potential balancing is advantageous, but can also be omitted depending on the application.
  • two impedances are connected in series for balancing, in the exemplary embodiments according to FIGS. 9 and 10 a single impedance Z is provided for balancing.
  • DCF DC voltage filter
  • Figures 6 to 9 DC voltage filter, which are advantageous, but can also be omitted depending on the application;
  • the ACF filters shown in FIGS. 1 to 5 can also be provided in the exemplary embodiments according to FIGS. 6 to 9.
  • control devices 41 are preferably designed in such a way that they switch the switch S to change from energy storage mode to energy consumption mode and vice versa only in the de-energized state, ie when the thyristors T of the rectifier circuit 42 have corresponding operating states.
  • the switches S report their respective switching state to the control device 41, preferably by means of communication links that are not shown.
  • control devices 41 operate the grid stabilization device 40 in energy storage mode as long as the state of charge of the energy storage devices C is within a predetermined working range. If the state of charge exceeds an upper limit, then it is preferably switched to energy consumption mode in order to avoid overcharging the energy store.
  • transformers TRI shown in the exemplary embodiments can—as shown—be components of the grid stabilization device 40 or, alternatively, separate grid-side transformers. It is also possible to carry out arrangements of the type described without transformers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

L'invention concerne, entre autres, un procédé de fonctionnement d'un système comprenant au moins une liaison de transmission de courant continu (10) ou au moins une grille de transmission de courant continu à laquelle sont connectés au moins deux convertisseurs (20, 30) ayant chacun un côté tension alternative et un côté tension continue. L'invention concerne également un dispositif de stabilisation de grille (40) à connecter directement ou indirectement au côté tension alternative (31) de l'un des convertisseurs, désigné par la suite comme convertisseur de proximité (30), ledit dispositif de stabilisation de grille comprenant, à des fins de stabilisation de grille, un accumulateur d'énergie (C) pour le stockage intermédiaire d'énergie et/ou d'un consommateur d'énergie (R) pour la consommation d'énergie électrique, et le dispositif de stabilisation de grille (40) est isolé sur le côté de la grille d'au moins un autre desdits convertisseurs, désigné par la suite comme convertisseur à distance (20), par l'intermédiaire du convertisseur de proximité (30), et le dispositif de stabilisation de grille (40) est actionné par au moins un signal de commande (ST) qui est produit et transmis au dispositif de stabilisation de grille (40) par le convertisseur de proximité ou le convertisseur à distance (30, 20).
EP20771491.6A 2020-09-04 2020-09-04 Système comprenant une liaison de transmission de courant continu ou une grille de transmission de courant continu et son procédé de fonctionnement Pending EP4169140A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2020/074702 WO2022048763A1 (fr) 2020-09-04 2020-09-04 Système comprenant une liaison de transmission de courant continu ou une grille de transmission de courant continu et son procédé de fonctionnement

Publications (1)

Publication Number Publication Date
EP4169140A1 true EP4169140A1 (fr) 2023-04-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20771491.6A Pending EP4169140A1 (fr) 2020-09-04 2020-09-04 Système comprenant une liaison de transmission de courant continu ou une grille de transmission de courant continu et son procédé de fonctionnement

Country Status (3)

Country Link
US (1) US20230327451A1 (fr)
EP (1) EP4169140A1 (fr)
WO (1) WO2022048763A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1183895A (fr) * 1982-04-30 1985-03-12 Canadian General Electric Company Limited Systeme pour reduire les exigences en termes de puissance nominale pour les composantes statique d'un poste redresseur de courant continu haute tension
DE102017217505A1 (de) * 2017-09-29 2019-04-04 Siemens Aktiengesellschaft Anordnung zum Verbinden elektrischer Versorgungsnetze
SE543496C2 (en) * 2018-12-21 2021-03-09 Abb Power Grids Switzerland Ag Power supporting arrangement for an ac network

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WO2022048763A1 (fr) 2022-03-10
US20230327451A1 (en) 2023-10-12

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