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Reliable, Efficient Power Supplies for Electrolyzers

Maximize your hydrogen production with continuous, high-density power built for industrial electrolyzer stacks.

Hydrogen producers face increasing pressure to scale production rapidly while meeting sustainability targets. Green hydrogen, made through electrolysis powered by renewable energy, depends on a stable, efficient power supply. Without it, hydrogen output—and profitability—are at risk. Scalable, high-performance power systems are essential to meet rising demand.

Our EA Power Racks are engineered for continuous operation, delivering high power density and precise control, so your electrolyzers can run 24/7—safeguarding production, optimizing energy use, and supporting scale as demand grows.

Electrolyzer Stack Testing Enhanced

Precise tests of degradation behavior and efficiency

Dynamic tests provide valuable information about the behaviour of electrolyzer stacks with different power supply qualities. EA offers the ideal power electronics for these tests – with fully controllable devices, high accuracy of the values determined and maximum flexibility when setting the parameters.

EA highlight: DC ripple in the integrated function generator

The superposition of a direct current with an alternating current can be set using the function generator.

Next level testing with EA

  • Fully controllable and adjustable EA power electronics (OV – nominal voltage, 0A – nominal current, 0W – nominal power)
  • Precise regulation of the desired voltage, current and power values
  • Function generator: Investigation of the effects of DC current ripple on electrolyzer stacks
Function generator graphics

Why the Right Power Supply Matters for Electrolyzers

Features that Support Electroylsis:

  • Continuous Operation: Uninterrupted power enables non-stop hydrogen generation, driving maximum yield and ROI.
  • High Power Density: Fit more power into less space, keeping installation flexible—even for containerized solutions.
  • Efficiency & Reliability: Reduce downtime, energy loss, and operating costs with top-tier German engineering.
  • Scalability: Start with what you need now—expand easily as your hydrogen production grows.

EA’s programmable power supplies, connected in parallel in the EA Power Racks, are ideal for safeguarding hydrogen production.

An industrial power rack and two other individual industrial side by side

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