Renewable energy hydrogen production system supporting coupling of multiple energy devices

The invention relates to a renewable energy hydrogen production system supporting coupling of multiple energy devices, which comprises a photovoltaic power generation device, an electrolytic cell, a photovoltaic inverter, a load system, an H-SCADA system and an energy management center, and is connected with a power grid to realize electric energy interaction; the renewable energy hydrogen production system supports parallel connection of various energy devices on an alternating current bus and performs electric energy conversion with the alternating current bus; the energy management center is based on the data acquired by the H-SCADA system, and controls various energy devices to cooperatively and optimally operate through a multi-mode energy management method according to the coupled uncontrollable and controllable energy devices; when uncontrollable energy equipment is coupled, a regular energy management method with the goal of maximizing utilization of renewable energy power generation and system econom