Hydrogen Air Cooled Rectifiers - FlexKraft

  • Air flow through heat sink design for use under demanding conditions
  • Modular design for system scalability with quality consistency and easy maintenance
  • Low output ripple and accurate current/voltage control for consistent end user product quality
  • Dual mode output design for high process flexibility, reducing cost and footprint
  • Output Polarity reverse option

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FlexKraft is an air-cooled rectifier designed for electro-chemical processes in demanding industrial environments. It features a modular design with integrated power modules, enabling scalability and easy maintenance. The system provides low DC ripple (<2%) and accurate current/voltage control (±1%) to ensure consistent output quality. It supports dual mode output and includes an output polarity reversal option. The rectifier operates with 3-phase AC input voltage (380–480 VAC ±10%, 50–60 Hz) and is designed for continuous operation at rated load up to 1000 m altitude. It uses forced air cooling and supports digital interfaces including Modbus RTU and Profibus DP via RS-485.

Use Cases

  • Electro-Chemical processes

Capabilities

  • Modular architecture with configurable number of power modules for scalable output
  • Output voltage ranges from 0–12 V up to 0–120 V depending on configuration
  • Output current up to 6000 A depending on module configuration
  • Supports Modbus RTU and Profibus DP via RS-485
  • Forced air cooling system
  • Integrated protections: overcurrent, overvoltage, overtemperature, short circuit, open circuit, module failure
KraftPowercon Sweden AB

KraftPowercon is a leading global supplier of industrial power conversion solutions, specializing in high-performance rectifiers for the hydrogen industry, particularly in electrolysis (Alkaline, PEM, and SOEC). With expertise dating back to the 1970s, they provide robust, reliable, and efficient power systems designed to handle the demanding requirements of scaling hydrogen production, ranging from stand-alone units to containerized, turnkey solutions.

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