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Hydrogen production system and hydrogen production power supply

A hydrogen production system and power supply technology, applied in the field of clean energy, can solve the problems of DC micro-grid paralysis, low reliability, and the inability to realize plug-and-play of distributed equipment, so as to improve reliability, response speed, and use efficiency Effect

Pending Publication Date: 2021-12-07
CHNA ENERGY INVESTMENT CORP LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This centralized control relies on the data center and communication lines. Once the data center or communication lines fail, the entire DC microgrid will be paralyzed, with low reliability, and the "plug and play" of distributed equipment cannot be realized.

Method used

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  • Hydrogen production system and hydrogen production power supply
  • Hydrogen production system and hydrogen production power supply
  • Hydrogen production system and hydrogen production power supply

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Embodiment Construction

[0036] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0037] It should be noted that if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. Implying their relative importance or implying the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the...

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Abstract

The embodiment of the invention provides a hydrogen production system and a hydrogen production power supply, and belongs to the field of clean energy. The hydrogen production system includes a DC bus; a distributed power generation device which is configured to supply power to the direct current bus; the hydrogen production power supply which is connected with the direct-current bus, and is configured to adjust the output power of the hydrogen production power supply according to the bus voltage and under the condition that the bus voltage of the direct-current bus is between a first low-voltage threshold value and a first high-voltage threshold value so as to maintain the bus voltage between the first low-voltage threshold value and the first high-voltage threshold value, wherein the first low-voltage threshold value and the first high-voltage threshold value are determined according to the rated voltage of the direct-current bus and are located within a voltage operation range of the direct-current bus. Therefore, by adopting a decentralized control mode based on the bus voltage, the reliability and the response speed of the hydrogen production system can be improved.

Description

technical field [0001] The invention relates to the field of clean energy, in particular to a hydrogen production system and a hydrogen production power supply. Background technique [0002] At present, electrolyzed water hydrogen production equipment needs to be equipped with a DC power supply. In the DC power supply system, there is no need to consider issues such as reactive power, frequency, and grid-connected synchronization, and at the same time it can further improve system efficiency and power quality. Such as figure 1 As shown, the existing research focuses on the hydrogen production system using DC power supply, and constructs a DC microgrid containing wind / solar / hydrogen. However, the DC micro-grid of the existing hydrogen production system is mainly based on centralized control, that is, a data center is added to the DC micro-grid to coordinate the output of various micro-sources. This centralized control relies on the data center and communication lines. Once...

Claims

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Application Information

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IPC IPC(8): H02J1/00H02J1/10H02J1/14H02J3/14H02J3/32H02J3/46C25B9/65C25B15/02C25B1/04
CPCH02J1/001H02J1/106H02J1/14H02J3/144H02J3/32H02J3/381H02J3/466C25B15/02C25B1/04H02J2300/26H02J2300/28H02J2300/40Y02E10/56Y02E60/36Y02E70/30
Inventor 杨文强邢小文
Owner CHNA ENERGY INVESTMENT CORP LTD
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