Air cooled


The basic rectifier design of the regulated transformer rectifier series is characterized by a motor-adjustable regulating transformer drive and a high-current transformer with downstream silicon diode set in 6-pulse circuit.

Single devices from:

  • UDC = 2 - 150 V
  • IDC = 100 - 20,000 A
Technical Data
  • Network: 3 x 400V/50Hz (worldwide network adaptation possible)
  • Control: via binary more/less signal
  • Regulating: 0 - 100 % freely adjustable
  • Signals: Current, voltage, status, fault (individual fault messages optional)
  • Operation: Interface for external control
  • Ripple: 5% over the entire setting range
  • Rectifier connection: 6-pulse rectifier structure
  • Operating mode: 100% ED
  • Ambient temperature: +40°C (adaptation to higher temperatures possible)
  • Cooling: natural convection or oil/water cooling
  • Detection: phase position, phase sequence, phase failure, mains undervoltage, short-circuit detection, temperature
  • Degree of protection: IP21 - IP54
  • Field-bus interface (Profibus; Profinet; Modbus; RS-485 etc.)
  • Mechanical change of output polarity (bipolar operation)
  • Transformer taps
  • Smoothing devices (L and LC smoothing up to 1% possible)
  • Ah-counter-integration
  • Remote control (optionally with timers or SPS control)
  • Special designs according to customer requirements possible without any problems
Cooling Method
  • Intensive cooling of components
  • Protection against corrosion
  • Low maintenance and reliable
  • No noise pollution