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1. WO2020135975 - ELECTROLYSIS DEVICE HAVING A CONVERTER AND METHOD FOR PROVIDING INSTANTANEOUS RESERVE POWER FOR AN AC VOLTAGE GRID

Publication Number WO/2020/135975
Publication Date 02.07.2020
International Application No. PCT/EP2019/083382
International Filing Date 03.12.2019
IPC
H02J 3/14 2006.1
HELECTRICITY
02GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
3Circuit arrangements for ac mains or ac distribution networks
12for adjusting voltage in ac networks by changing a characteristic of the network load
14by switching loads on to, or off from, network, e.g. progressively balanced loading
C25B 15/02 2006.1
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR
15Operating or servicing of cells
02Process control or regulation
C25B 1/04 2006.1
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR
1Electrolytic production of inorganic compounds or non-metals
02of hydrogen or oxygen
04by electrolysis of water
CPC
C25B 1/04
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
1Electrolytic production of inorganic compounds or non-metals
01Products
02Hydrogen or oxygen
04by electrolysis of water
C25B 15/02
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
15Operating or servicing cells
02Process control or regulation
H02J 3/14
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
3Circuit arrangements for ac mains or ac distribution networks
12for adjusting voltage in ac networks by changing a characteristic of the network load
14by switching loads on to, or off from, network, e.g. progressively balanced loading
Y02B 70/3225
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
70Technologies for an efficient end-user side electric power management and consumption
30Systems 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
3225Demand response systems, e.g. load shedding, peak shaving
Y02E 60/36
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
60Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
30Hydrogen technology
36Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Y02P 20/10
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
20Technologies relating to chemical industry
10Process efficiency
Applicants
  • SMA SOLAR TECHNOLOGY AG [DE]/[DE]
Inventors
  • FALK, Andreas
  • HARDT, Christian
Priority Data
10 2018 133 641.127.12.2018DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) ELEKTROLYSEVORRICHTUNG MIT EINEM UMRICHTER UND VERFAHREN ZUR BEREITSTELLUNG VON MOMENTANRESERVELEISTUNG FÜR EIN WECHSELSPANNUNGSNETZ
(EN) ELECTROLYSIS DEVICE HAVING A CONVERTER AND METHOD FOR PROVIDING INSTANTANEOUS RESERVE POWER FOR AN AC VOLTAGE GRID
(FR) DISPOSITIF D'ÉLECTROLYSE AVEC UN CONVERTISSEUR STATIQUE ET PROCÉDÉ DE FOURNITURE D'UNE PUISSANCE DE RÉSERVE INSTANTANÉE POUR UN RÉSEAU DE TENSION ALTERNATIVE
Abstract
(DE)
Beschrieben wird ein Verfahren zum Betrieb einer Elektrolysevorrichtung (10) mit einem Umrichter (12), der wechselspannungsseitig über eine Entkopplungsinduktivität (13) an ein Wechselspannungsnetz (15) angeschlossen ist und dem Wechselspannungsnetz (15) eine AC-Wirkleistung entnimmt, und einem Elektrolyseur (11), der gleichspannungsseitig an den Umrichter (12) angeschlossen ist und bei einer Netzfrequenz, die einer Nennfrequenz des Wechselspannungsnetzes (15) entspricht und zeitlich konstant ist, mit einer elektrischen Leistung betrieben wird, die zwischen 50% und 100% einer Nennleistung des Elektrolyseurs (11) beträgt, wobei der Umrichter (12) spannungseinprägend betrieben wird, so dass die dem Wechselspannungsnetz (15) entnommene AC-Wirkleistung unmittelbar in Abhängigkeit einer Änderung und/oder einer Änderungsrate der Netzfrequenz im Wechselspannungsnetz (15) geändert wird. Weiterhin beschrieben ist eine Elektrolysevorrichtung, sowie ein Verfahren zur Bereitstellung von Momentanreserveleistung für ein Wechselspannungsnetz.
(EN)
What is described is a method for operating an electrolysis device (10) having a converter (12) that is connected, at its AC voltage side, to an AC voltage grid (15) via a decoupling inductor (13) and draws an AC active power from the AC voltage grid (15), and an electrolyzer (11) that is connected, at its DC voltage side, to the converter (12) and, at a grid frequency that corresponds to a nominal frequency of the AC voltage grid (15) and is constant over time, is operated at an electric power that is between 50% and 100% of a nominal power of the electrolyzer (11), wherein the converter (12) is operated with voltage impression such that the AC active power drawn from the AC voltage grid (15) is changed directly depending on a change and/or a rate of change of the grid frequency in the AC voltage grid (15). What are also described are an electrolysis device and a method for providing instantaneous reserve power for an AC voltage grid.
(FR)
L'invention concerne un procédé pour faire fonctionner un dispositif d'électrolyse (10) comprenant un convertisseur statique (12), qui est relié du côté de la tension alternative à un réseau de tension alternative (15) par le biais d'une inductance de découplage (13) et qui prélève une puissance active en courant alternatif au réseau de tension alternative (15), et un électrolyseur (11), qui est relié au convertisseur statique (12) du côté de la tension continue et qui fonctionne avec une puissance électrique à une fréquence de réseau, laquelle correspond à une fréquence nominale du réseau de tension alternative (15) et est constante dans le temps. Ladite puissance électrique est comprise entre 50 % et 100 % d'une puissance nominale de l'électrolyseur (11), le convertisseur statique (12) fonctionne par injection de tension, de sorte que la puissance active en courant alternatif prélevée au réseau de tension alternative (15) est modifiée directement en fonction d'une variation et/ou d'une vitesse de variation de la fréquence du réseau de tension alternative (15). L'invention concerne en outre un dispositif d'électrolyse, ainsi qu'un procédé de fourniture d'une puissance de réserve instantanée pour un réseau de tension alternative.
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