Power Supply Units (PSUs) for reliable hydrogen plant operation
Power conversion directly impacts efficiency, system stability and operational reliability in electrolysis plants.
FRIEM develops Power Supply Units engineered to match electrolyzer technologies, grid conditions and plant operating profiles — supporting hydrogen projects from engineering to commissioning.
Inside the Projects
Explore FRIEM’s engineering approach to supporting hydrogen projects from design to operation.
Hydrogen Projects requires more than installed capacity
As green hydrogen projects scale up, the focus is shifting from announced capacity to operational execution
Moving efficiently from Final Investment Decision (FID) to reliable plant operation remains one of the main challenges for developers, EPC contractors and technology providers.
Electrolysis systems operate under variable electrical and process conditions. Ensuring proper integration between the Power Supply Unit, the electrolyzer and the plant is essential to achieve stable operation, optimized efficiency and long-term reliability.
Power conversion systems must be engineered to match actual operating conditions, ensuring proper alignment between the PSU, the electrolyzer and the overall plant requirements.
Why Power Conversion matters in Electrolysis
The Power Supply Unit defines how energy is delivered to the electrolyser, setting current and voltage conditions that directly impact efficiency, reliability, load stability and operating costs.
Different electrolyser technologies and operating conditions, require different PSU configurations. Selecting the appropriate power conversion architecture requires balancing electrolyser operating curves, renewable integration, grid constraints and plant operating profiles.
The right PSU configuration directly impacts plant efficiency utilization rate and operational stability over time.
Engineering the PSU Around the Process
FRIEM supports hydrogen projects from early engineering to long-term operation. The Power Supply Units (PSU) are engineered as an integral part of the electrolysis process, combining high-power conversion expertise and industrial scalability.
Different technologies, including SCR and IGBT solutions, provide different advantages depending on project- specific operating conditions and plant requirements. Proper PSU sizing and integration help reduce commissiong risks, improve plant stability and optimize operational performance over time.
Explore FRIEM’s Hydrogen Solutions or talk with an expert.