Device, method and system for producing hydrogen by electrolyzing water

A hydrogen production device and electrolyzed water technology, applied in the direction of electrolysis components, electrolysis process, cells, etc., can solve the problems of equipment shutdown, high cost, unstable output current harmonics, etc., and achieve the effect of voltage stability

Pending Publication Date: 2022-05-27
ANHUI USEM TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Existing hydrogen production technologies mainly include silicon-controlled rectification schemes, IGBT high-frequency switching power supply schemes, and IGBT DC chopper schemes. The silicon-controlled rectification schemes are composed of high-power thyristors, on-load voltage regulating transformers and other devices to form a primary circuit. The disadvantage is that the volume is large, the cost is high, and the harmonics of the output current are relatively large and unstable
[0004] The existing IGBT DC chopping scheme to produce hydrogen will cause the equipment to stop directly after a module is damaged

Method used

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  • Device, method and system for producing hydrogen by electrolyzing water
  • Device, method and system for producing hydrogen by electrolyzing water
  • Device, method and system for producing hydrogen by electrolyzing water

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Embodiment Construction

[0034] The specific implementations of the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention.

[0035] figure 1 is a schematic structural diagram of a chopper power module of the present invention, Figure 4 is a schematic diagram of the structure from another angle, such as figure 1 As shown, the chopper power module includes a unit casing 10 and 24 chopper modules installed inside the unit casing 10; wherein, the chopper modules are used for 24 channels of AC from a three-phase power supply. The voltage is converted into a DC voltage with a preset fixed voltage value in a one-to-one correspondence, so that the DC electrode electrically connected to the output end of the chopper module and pla...

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Abstract

The embodiment of the invention provides a water electrolysis hydrogen production device, method and system, and belongs to the technical field of water electrolysis hydrogen production. The chopping power module comprises a unit shell and 24 chopping modules mounted in the unit shell; wherein the chopping module is used for converting 24 paths of alternating-current voltages from a three-phase power supply into direct-current voltages with preset fixed voltage values in a one-to-one correspondence manner, so that a direct-current electrode which is electrically connected to the output end of the chopping module and is arranged in an aqueous solution completes water electrolysis hydrogen production. The water electrolysis hydrogen production device, the hydrogen production method and the hydrogen production system can output current with small harmonic waves and high power factors, and hydrogen production can be continued after a certain module is damaged.

Description

technical field [0001] The present invention relates to the technical field of electrolysis of water for hydrogen production, and in particular to a device for electrolysis of water for hydrogen production, a hydrogen production method and a system. Background technique [0002] The advantage of water electrolysis for hydrogen production is that water as a raw material is inexhaustible, but it also contains many problems such as energy efficiency. [0003] The existing hydrogen production technologies mainly include thyristor rectification scheme, IGBT high-frequency switching power supply scheme and IGBT DC chopper scheme. The disadvantage is that the volume is large, the cost is high, and the output current harmonics are relatively large and unstable. [0004] The existing IGBT DC chopping scheme for hydrogen production will cause the equipment to stop directly after a module is damaged. SUMMARY OF THE INVENTION [0005] The purpose of the embodiments of the present in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/23C25B1/04C25B9/65C25B9/00
CPCH02M7/23C25B1/04C25B9/65C25B9/00Y02E60/36
Inventor 陈任峰张磊毕孟航李辉石伟陆继文张杰李书诚
Owner ANHUI USEM TECH CO LTD
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