Abstract: A new energy hydrogen production system and a control method therefor. In the new energy hydrogen production system, a new energy input module supplies power to electrolytic cells by means of a power conversion module; and a control system of the new energy hydrogen production system is used for controlling, according to the power of the new energy input module, the power conversion module to work, such that among N electrolytic cells in an operation state, at least N-1 electrolytic cells work in a preset load range. The preset load range is a corresponding load range having the highest system efficiency in an electrolytic cell working range division result prestored in the control system.

Abstract: The present application relates to a hydrogen production system, and a thermal management method and apparatus therefor. The hydrogen production system includes: at least two electrolytic cells; and a post-treatment device, the at least two electrolytic cells sharing the post-treatment device, and the post-treatment device including first electrolyte inflow branch pipes and second electrolyte inflow branch pipes, wherein the first electrolyte inflow branch pipes share a single cooling apparatus and are used for guiding a cold electrolyte into a corresponding electrolytic cell, and the second electrolyte inflow branch pipes are bypass branch pipes of the cooling apparatus and are used for guiding a hot electrolyte into a corresponding electrolytic cell. Compared with the prior art, embodiments of the present invention implement accurate control on the temperature of each electrolytic cell and improve system efficiency.

Abstract: Disclosed in the present disclosure is a new energy hydrogen production control method and apparatus and an electronic device. The method comprises: when a new energy hydrogen production system meets a preset mode conversion condition, the preset mode conversion condition being that the oxygen concentration in hydrogen is higher than a first purity limit and/or the hydrogen concentration in oxygen is higher than a second purity limit, converting the new energy hydrogen production system into a standby mode from a working mode, inputting a target voltage smaller than a decomposition voltage of an electrolyzer into the electrolyzer, enabling the electrolyzer to work in a capacitive area to keep electrode activity, and enabling the temperature of the electrolyzer to reach a preset temperature threshold.

Abstract: A direct-current coupling hydrogen production system includes at least one electricity generation system and multiple hydrogen production electrolyzer systems. The electricity generation system includes: a controller, N renewable energy systems, multiple conversion systems and a power switching unit. The power switching unit includes N input ports and M output ports. The controller is configured to control the power switching unit to supply the multiple hydrogen production electrolyzer systems through its output ports with electrical energy received through its input ports, or is configured to control the power switching unit to collect electrical energy received through its input ports and to supply the multiple hydrogen production electrolyzer systems through its output ports respectively corresponding to the hydrogen production electrolyzer systems with the collected electrical energy.

Abstract: A direct-current coupling hydrogen production system includes at least one electricity generation system and multiple hydrogen production electrolyzer systems. The electricity generation system includes: a controller, N renewable energy systems, multiple conversion systems and a power switching unit. The power switching unit includes N input ports and M output ports. The controller is configured to control the power switching unit to supply the multiple hydrogen production electrolyzer systems through its output ports with electrical energy received through its input ports, or is configured to control the power switching unit to collect electrical energy received through its input ports and to supply the multiple hydrogen production electrolyzer systems through its output ports respectively corresponding to the hydrogen production electrolyzer systems with the collected electrical energy.