Performance optimization method of water electrolysis hydrogen production system suitable for volatility input

Abstract

The invention discloses a water electrolysis hydrogen production system performance optimization method suitable for volatility input, and aims to solve the problem that performance optimization of a water electrolysis hydrogen production system suitable for volatility input cannot be realized, and the method comprises the following steps: S1, establishing a key equipment model according to a multi-energy conversion and energy transmission mechanism; s2, analyzing the output characteristics of the key parameters to the system according to the key equipment model; s3, optimizing the system flow based on the wide power regulation range and the output characteristics of the system; and S4, carrying out optimization matching on the key parameters of the key equipment. The method has the advantages that by analyzing the influence rule of key parameters and combining the service life of equipment, thermoelectric efficiency and safety constraints, the layered parameter optimization of a system and components under all working conditions can be carried out; load loading and solving can be carried out through the established electrolytic cell finite element model, an expected simulation result is obtained and analyzed, and therefore the optimization design of electrolytic cell grouping is achieved.

Description

technical field [0001] The invention relates to the field of clean energy, in particular to a method for optimizing the performance of an electrolysis water hydrogen production system suitable for fluctuating input. Background technique [0002] With a high proportion of clean energy connected to the power grid, its randomness and intermittency put forward higher requirements for the stability of the power grid. The development of electric hydrogen production technology can promote renewable consumption, expand the utilization of electric energy, and effectively improve the power grid regulation capacity. Proton exchange membrane electrolysis (PEM) hydrogen production has a small footprint, clean and pollution-free, wide adjustable range, fast response speed, flexible control, and convenient load adjustment. It is the future development trend and research focus of electrolytic hydrogen production technology. However, at present, the domestic PEM hydrogen production technolog...

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Problems solved by technology

[0004] The main purpose of the present invention is to solve the problem that the performance optimization of the electrolytic water hydrogen production system suitable for fluctuating input cannot be realized, and to provide a performance optimization method for the electrolytic water

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