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Home
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Hydrogen Rectifiers

Water-Cooled Rectifiers - FlexKraft

KraftPowercon Sweden AB
Summary

  • Water-cooled rectifiers for industrial applications in demanding environments
  • Sealed cabinet with IP44 protection class for use in 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

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Description Vendor

FlexKraft is a water-cooled rectifier designed for industrial applications in demanding environments. The system is based on primary switching technology and features a modular design with multiple power modules integrated into a sealed cabinet. It provides low output ripple (<2%) and accurate current/voltage control (±1%), ensuring consistent output performance. The rectifier supports dual output mode and includes an output polarity reversal option. It 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. The system supports digital interfaces including Modbus RTU and Profibus DP via RS-485.

Use Cases

  • Industrial applications in demanding environments

Capabilities

  • Modular architecture with configurable number of power modules (scalable output ranges)
  • Output voltage ranges from 0–12 V up to 0–120 V depending on configuration
  • Output current up to 6000 A depending on number of modules
  • Low DC ripple < 2% of rated output current
  • Control precision ±1% for voltage/current
  • Supports Modbus RTU and Profibus DP via RS-485
  • Water cooling with controlled inlet temperature 20–35°C
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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