Efficient and economical solid hydrogen storage coupled ammonia synthesis system and method

The invention belongs to the technical field of hydrogen energy, and particularly relates to an efficient and economical solid hydrogen storage coupled synthesis ammonia system and method. According to the technical scheme, the efficient and economical solid-state hydrogen storage coupling ammonia synthesis system comprises a renewable energy hydrogen production system, a solid-state hydrogen storage static compression system, an air separation nitrogen production system and an ammonia synthesis system, and the renewable energy hydrogen production system comprises a renewable energy power generation system, a plant power system, a power grid and a water electrolysis hydrogen production system; electric power generated by the renewable energy power generation system is transmitted to the auxiliary power system and the power grid through power transmission cables, the auxiliary power system is connected with the water electrolysis hydrogen production system through a power transmission cable, and the water elec