Redwing Technologies
REDWING TECHNOLOGIES

 

HIGH POWER RECTIFIERS

 

Friem started activities in 1950 and has supplied rectifier equipment ranging from a few thousand amps to 440 kA (or 105 MW), with over 350 reference installations worldwide.

Friem designs and manufactures rectifier equipment for any electrochemical or electrometallurgical application, including :

 

www.friem.com
www.friem.com
  • DC power supplies for electrochemistry.
  • DC power supplies for metal refining and high power rectifier electrowinning.
  • DC power supplies for DC arc furnaces.
  • DC power supplies for traction.
  • High current DC isolators.
  • ACPD (Automatic Control and Protection Devices for NaCl mercury cells).


Reference installations in South Africa include :

  • 1987 - Polifin Midland Plant, 2 x 18 kA / 306V units (NaCl).
  • 1989 - Polifin Umbogintwini, 50 kA / 145V unit (NaCl).
  • 1990 - Polifin Umbogintwini, 50 kA / 145V unit (NaCl).

 

Other reference installations include:

 

·          2009 – (Bateman) Southern Euro, Russia, 12 MW Rectiformer – DC furnace application

 

Redwing Technologies