Hydrogen production system control method based on power model prediction

Abstract

The invention relates to a hydrogen production system control method based on power model prediction, and the method comprises the following steps: 1, reading the operation information of a multi-terminal AC / DC renewable energy system of integrated hydrogen production equipment, and taking the operation information as the input of the step 2 and the step 3; 2, determining the optimal working range of the electrolytic cell, according to the historical operation information and prior knowledge of the hydrogen production system obtained in the first step, obtaining the relation between the power of the hydrogen production system and hydrogen output, and determining the optimal power range of the operation efficiency of the electrolytic cell; 3, predicting the maximum power of the hydrogen production system at the next moment, fitting a prediction function of the power of the hydrogen production system according to the historical operation information of the wind power and photovoltaic system obtained in the step 1, and integrating the current state of the energy storage system to obtain a predicted value of the maximum power of the hydrogen production system at the next moment; and 4, according to the predicted power of the hydrogen production system at the next moment and the current operation state, determining the control strategy of the electrolytic cell and the energy storage system.

Description

technical field [0001] The invention relates to the field of electric power, in particular to a hydrogen production system control method based on power model prediction. Background technique [0002] In the face of various environmental problems brought about by fossil energy, hydrogen energy, as a new energy source, has a high overall content in global resources, and has many advantages such as high unit calorific value, low density, and clean and pollution-free products after utilization. , can help make full use of renewable energy output, solve the problem of power energy consumption and storage, and help the realization of national energy security and carbon neutral goals. At present, in order to fully accommodate renewable energy, with the development of hydrogen-based power sources such as hydrogen-oxygen fuel cells and hydrogen gas turbines, the proportion of multi-terminal AC-DC renewable energy systems integrating hydrogen production equipment in the power grid is...

AI Technical Summary

Problems solved by technology

At the same time, the active output of photovoltaic and wind turbines has the characteristics of intermittent and fluctuating, which results in a certain degree of unpredictability of power

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