High-capacity electrolytic cell electromechanical transient modeling method considering topological relation matrix

The invention provides a high-capacity electrolytic cell electromechanical transient modeling method considering a topological relation matrix, and the method comprises the steps: building a system coordinated operation model through building a topological relation matrix among an electrolytic cell array, an auxiliary machine system and an electric energy conversion system according to a power grid and load configuration structure in a given scene; modeling a high-capacity water electrolysis cell unit and an electrolysis cell auxiliary machine system to obtain a hydrogen production system operation model; modeling and grid-connected installation are carried out on the electric energy conversion system, and the electric energy conversion system and the electrolytic cell integrated system form a grid-connected system; a control strategy under a multi-constraint condition is considered, and the capacity of the electrolytic cell for responding to power grid dispatching is improved; the method provided by the inve