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Modularized water electrolysis hydrogen production system and control method thereof

A hydrogen production system and water electrolysis technology, applied in the electrolysis process, electrolysis components, cells, etc., can solve problems such as slow response of electrolyzers, potential safety hazards, and unstable hydrogen production, so as to reduce operation and maintenance costs and avoid frequent start-up The effect of stopping and improving the quick response ability

Pending Publication Date: 2022-04-15
HAIDRIVER (SHANGHAI) ENERGY TECH CO LTD
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Problems solved by technology

[0006] The purpose of the present invention is to provide a modularized water electrolysis hydrogen production system and its control method to solve the problem of unstable hydrogen production, slow response of the electrolyzer, low hydrogen production efficiency, low hydrogen production, and existing problems in the existing water electrolysis hydrogen production system. Safety hazards and other issues

Method used

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  • Modularized water electrolysis hydrogen production system and control method thereof
  • Modularized water electrolysis hydrogen production system and control method thereof
  • Modularized water electrolysis hydrogen production system and control method thereof

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Embodiment

[0030] see figure 1 , 2 The modular water electrolysis hydrogen production system provided in this embodiment includes a renewable energy power generation system, an electrolysis unit module group, an energy storage system, and an energy management monitoring system. The renewable energy power generation system includes a renewable energy power generation device and a rectifier inverter Transformation device, the electrolytic unit module group includes several electrolytic unit modules, the electrolytic unit modules are connected in series / parallel or work alone, the electrolytic unit modules include a power supply system, an electrolytic cell, and an alkali heating system, and the alkali The liquid heating system heats the lye that enters the electrolytic cell, the power system is electrically connected to the electrolytic cell, the energy storage system includes an inverter device and an energy storage battery pack, and the power system of each electrolytic cell module is co...

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Abstract

The invention particularly relates to a modularized water electrolysis hydrogen production system and a control method thereof.The modularized water electrolysis hydrogen production system comprises a renewable energy power generation system, an energy management monitoring system, an electrolysis unit module set and an energy storage system, and the renewable energy power generation system comprises a renewable energy power generation device and a rectification inversion device; the electrolysis unit module group comprises a plurality of electrolysis unit modules, the energy storage system comprises an inversion device and an energy storage battery pack, and the energy management monitoring system is in communication connection with the renewable energy power generation system, the electrolysis unit module group and the energy storage system; the method comprises the steps of obtaining the number of electrolysis unit modules in a production state, a standby state and a shutdown state, calculating the residual load sum P < total > of the electrolysis unit modules in the production state and the standby state, predicting the generating capacity increments delta P1 and delta P2 of the renewable energy power generation system in the next time period and the next time period according to a weather forecast system, and according to the relationship among the delta P1, the delta P2 and the Ptotal, how to convert the state of the electrolysis unit and the conversion quantity are determined.

Description

technical field [0001] The invention relates to the technical field of new energy, in particular to a modular water electrolysis hydrogen production system and a control method thereof. Background technique [0002] With the proposal of the 3060 double carbon target, hydrogen is gradually being mentioned as an energy carrier because of its green and environmental protection characteristics. Among many hydrogen production technologies, water electrolysis hydrogen production technology is considered to be the mainstream hydrogen production technology in the future, because when it is coupled with renewable energy, the entire hydrogen production process can truly achieve zero carbon. However, the current hydrogen production capacity of a single electrolyzer is relatively small, and it is difficult to meet the rapid growth of hydrogen demand in the future industry and other fields. At the same time, the volatility of renewable energy will also bring hidden dangers to the safety...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25B1/04C25B9/65C25B15/02
CPCC25B1/04C25B9/65C25B15/02C25B9/70
Inventor 谢佳平朱维杨事成李建伟赵舸
Owner HAIDRIVER (SHANGHAI) ENERGY TECH CO LTD
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