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SiC-based rectifier - Hydra

6MW SiC-based rectifier, scalable up to 24MW

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Hydra is a next‑generation SiC MOSFET–based rectifier for electrolyzers. Compared to traditional IGBT or thyristor rectifiers, it achieves higher efficiency across the entire load range and faster dynamic response. Lower losses and fewer compensation components enable a smaller footprint, while improving grid and stack compatibility.

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    High efficiency

    Achieves 98.7% peak efficiency and 98.6% euro efficiency across the full load range

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    Grid stability

    Delivers <1% THDi, fault-ride through, and reactive-power control to meet grid codes

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    Small footprint

    Up to 6 MW in a compact design, delivering 1.7 MW/m²

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    Wide voltage range

    Supports 0-1500 Vdc for various types of electrolyzer

Benefits

  • Lower cost of hydrogen

    Lower energy losses and reduced operating costs through high SiC‑based rectifier efficiency across the full load range

  • Reduced downtime risk

    Maintain hydrogen production during faults with a modular design that avoids single‑point failures.

  • Efficient use of space

    Increase installed electrolyser capacity per square metre with a compact, high power‑density rectifier design.

  • Operational flexibility

    Optimise electrolyser performance with wide voltage range and independent control of HyPE module.

Application

  • SOEC (Solid Oxide Electrolyzer)

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  • Alkaline Electrolyzer

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  • PEM Electrolyzer

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Technical specifications

Max. output power 6.0 MW (24 x 250 kW HyPE modules)
Input AC voltage 800 Vac
Output DC voltage range 0 – 1500 Vdc
Output DC current range 0 – 9600 Adc
Peak efficiency 98.7%
Euro efficiency 98.6%
Racks combined power Up to 24 MW
EMC filter Included, input and output (CISPR 11)
Low THDi <1%
External harmonic filter Not required
PF compensation bank Not required
Functional safety AC disconnect SIL 2 (SIL 3 optional)
Certification / safety standards IEC 62477-1
Converters Module-based active rectifier & active choppers
Topology Multilevel, high frequency SiC-based
Dimensions (W x D x H) 1800 x 2000 x 2300 mm, 4000 kg
Small footprint 1.7 MW per m²
Control interface Modbus TCP/IP
Multiple outputs Optional
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Scalable SiC based rectifier

Let's discuss your project

Whether you’re ready to order or need a solution built around your requirements, we’re here to help you move forward

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