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Method for operating a system for electrolysis, and system for electrolysis

A kind of electrolysis equipment and equipment technology, applied in the direction of electrolysis components, electrolysis process, electrolysis organic production, etc.

Pending Publication Date: 2022-02-08
ลินเดอ จีเอ็มบีเอช (นิติบุคคลจัดตั้งขึ้นตามกฎหมายแห่งสหพันธ์สาธารณรัฐเยอรมนี)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In this case, however, problems can arise due to reactions to the supply network, wherein these reactions are generally stronger the smaller the supply network

Method used

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  • Method for operating a system for electrolysis, and system for electrolysis
  • Method for operating a system for electrolysis, and system for electrolysis
  • Method for operating a system for electrolysis, and system for electrolysis

Examples

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Embodiment Construction

[0031] exist figure 1 A device 100 according to the invention is schematically shown in a preferred embodiment. The plant 100 is used for electrolysis and has a transformer 110 , a transformer circuit 120 , a rectifier or inverter 130 , a direct current circuit 140 and, for example, two electrolysis devices 150 and 160 . It is understood that only one electrolysis device can also be provided, or however also more electrolysis devices can be provided.

[0032] The transformer 110 has a tap changer 110 , such as an on-load tap changer, and is electrically connected on the input side (or a corresponding connection) to the supply network 200 and on the output side (or a corresponding other connection) to the AC circuit 120 . The AC voltage provided by the supply network 200 can thus be down-converted by means of the transformer 110 , wherein the conversion ratio can be changed due to the use of the tap changer 111 .

[0033] The AC circuit 120 is then electrically connected to t...

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PUM

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Abstract

The invention relates to a method for operating a system (100) for electrolysis in order to obtain at least one gaseous electrolysis product, in which system at least one electrolysis device (150, 160) is electrically connected to a power converter (130) by means of a direct-voltage circuit (140), the power converter (130) being connected to an alternating-voltage circuit (120) in order to supply the at least one electrolysis device (150, 160) with electrically energy for the operation of the at least one electrolysis device, the power converter (130) being operated by means of zero crossing control. The invention further relates to a system (100) of this type.

Description

[0001] manual [0002] The invention relates to a method for operating an electrolysis plant to obtain hydrogen or other gaseous electrolysis products, wherein at least one electrolysis device is supplied with electrical energy via a rectifier, and to such a plant. Background technique [0003] To obtain hydrogen, so-called electrolysis can be used, in which, for example, water is split by means of electrical energy into oxygen and hydrogen, ie gaseous electrolysis products or products of basic redox reactions. In this case, it is also called water electrolysis. Here then also so-called alkaline water electrolysis (or “Alkaline Electrolysis”, AEL) or so-called proton exchange membrane electrolysis (or “Proton Exchange Membrane” electrolysis, PEM electrolysis) are also considered here. The basis for this is known, for example, from the book "Bessarabov et al.: PEM electrolysis for Hydrogen production. CRC Press". In addition, there are so-called SOEC ("Solid Oxide Electrolysi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25B9/65C25B15/02C25B1/04C25B1/23C25B3/03C25B3/07C25B3/26C25B1/34C25B1/042H02M7/04H02M7/42H02M5/10
CPCC25B9/65C25B15/02C25B1/04C25B1/23C25B3/03C25B3/07C25B3/26C25B1/34C25B1/042H02M7/04H02M7/42H02M5/10H02M5/2937C25B15/023Y02P20/129Y02E60/36Y02P20/133C25B15/085
Inventor 安德烈亚斯·佩舍尔本杰明·亨切尔C·利布哈特
Owner ลินเดอ จีเอ็มบีเอช (นิติบุคคลจัดตั้งขึ้นตามกฎหมายแห่งสหพันธ์สาธารณรัฐเยอรมนี)