Electrolytic hydrogen production control method and device
A control method and technology of a control device, applied in the electrolysis process, electrolysis components and other directions, can solve the problems of unfavorable stable operation of the electrolytic cell, and achieve the effects of avoiding shutdown, reducing the number of starts and stops, and realizing reasonable distribution and use.
Active Publication Date: 2018-09-11
GLOBAL ENERGY INTERCONNECTION RES INST CO LTD +2
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Problems solved by technology
Through experiments, under the existing simple start-stop strategy, the electrolytic cell a 3 The number of starts and stops exceeds 100 times, that is to say, during the 8-hour running time of the photovoltaic power generation equipment, it needs to be started and closed once every 4.8 minutes. Obviously, this is not good for the stable operation of the electrolyzer.
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[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present invention.
[0039] figure 2 A schematic diagram of the structure of the electrolytic hydrogen production system is shown. Among them, the power generation output of the power supply is respectively connected to a plurality of electrolyzers. figure 2 Take three electrolyzers as an example. The electrolyzer utilizes the power generation output of the power supply to p...
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The invention discloses an electrolytic hydrogen production control method and device. The electrolytic hydrogen production control method comprises the steps of acquiring electricity generation output power; when the electricity generation output power is larger than a preset start threshold value, starting any electrolytic cell for carrying out electrolytic hydrogen production; when the input power of the currently started electrolytic cell reaches to first preset power, keeping the input power of the currently started electrolytic cell to be the first preset power, and distributing the restelectricity generation output power to the next electrolytic cell so as to start the electrolytic cell for carrying out electrolytic hydrogen production. According to the electrolytic hydrogen production control method and the device provided by the embodiment of the invention, the electrolytic cell is controlled through the start threshold value and the first preset power so as to be started atthe small input power and carry out electrolytic hydrogen production, and only the input power of a single electrolytic cell needs to be kept above the start threshold value or more, so that the electrolytic cell can be prevented from being shut down, and the start and stop times of the electrolytic cell is favorably reduced.
Description
technical field [0001] The invention relates to the technical field of electrolytic hydrogen production, in particular to a control method and device for electrolytic hydrogen production. Background technique [0002] Hydrogen energy storage is a large-scale energy storage technology developed by utilizing the interconversion of electricity and hydrogen energy. For example, renewable energy can be used to produce hydrogen to realize the consumption and storage of renewable energy. In the electrolytic hydrogen production system, when the output of the power supply is unstable, when the power supply is directly connected to the electrolyzer, it will affect the hydrogen production and the service life of the electrolyzer. Taking renewable energy electrolysis hydrogen production as an example, renewable energy power generation has random and unstable characteristics, such as figure 1 The output power curve of a 40kW photovoltaic power generation equipment in a certain area is s...
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Login to View More IPC IPC(8): C25B1/02C25B15/02
CPCC25B1/02C25B15/02
Inventor 刘锋赵波邓占锋刘舒张宇刘少名田博元梁丹曦
Owner GLOBAL ENERGY INTERCONNECTION RES INST CO LTD