In the plating industry application, normally, there are two types of rectifier, which is:

1, Silicon controlled rectifier.
2, High frequency power supply.
While, what is the different between for the 2, sometimes it will cause us confused to choose them.
Here we use a table sheet to find out what exactly difference for them.

For easy to distinguish, we choose same power: 1000A 12V type rectifier. From this, I think you will know which one is what you want.

  • Comparison data
  • Transformer
  • Control components
  • Control method
  • Working frequency
  • Ripple ratio
  • Voltage stabilization
  • Cooling method
  • Efficiency
  • Energy saving
  • Interference of power grids
  • Volume
  • Weight
  • SCR Rectifier
  • Large volume, heavy weight, 95kg Small volume,
  • SCR
  • Phase-shifted trigger
  • 50Hz
  • 10%
  • <5%
  • Oil/Air cooling
  • 70%
  • Bad
  • Big, not easy to eliminate
  • Large volume: 900*1010*550mm
  • 180kg
  • HF power supply
  • light weight, 1kg
  • IGBT
  • PWM modulation
  • 20KHz
  • 5-7%
  • <1%
  • Air cooling/Water cooling
  • 90%
  • Easily save power 20-40%
  • Small, easy to eliminate
  • Small volume: 520*450*220
  • 35kg
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