Optimal configuration method and device for large-scale new energy off-grid hydrogen production system

The invention provides an optimal configuration method and device for a large-scale new energy off-grid hydrogen production system, the new energy off-grid hydrogen production system comprises the following subsystems: a new energy power generation system, an energy storage system and a hydrogen production system, the new energy power generation system is used for generating power by using renewable energy sources and providing electric energy required by hydrogen production for the hydrogen production system, and the energy storage system is used for storing energy; the energy storage system is used for balancing electric energy conversion between the new energy power generation system and the hydrogen production system; the method comprises the following steps: determining an optimal configuration model, including determining an objective function and a constraint condition; determining optimal configuration parameters of the new energy off-grid hydrogen production system according to the optimal configurat