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HPF

High pass filter HPF

HPF filters are specially designed to remove harmonics from the current absorbed by 6 pulse power converters, such as frequency converters for motors, UPS, welding equipment, etc. They are essentially passive filters based on a series-parallel combination of inductance and capacitors. (Main function is to filter the 5th and 7th current harmonic and to decrease the level of the 11th and 13th current harmonics). With these HPF filters we will be able to get a reduction of the THD (I) level higher than a simple input reactor reduction, decreasing THD (I) to values below 8%. At full load conditions the THD (I) becomes lower than 5%.

Accessories:

  • Overcorrection regulating Kit
  • Measuring kit
Rated voltage 400 ~ 480 V
Frequency 50/60 Hz
RMS load current (Ic) 4 … 1000 A
Max. overload 1 min. a 1,5 Ic
Filtered RMS current (If) 1.6 … 72 A
THD residual current Aprox. 8%
Voltage drop at In < 2%
Construction Metal cabinet
Protection degree IP20
Colour Grey RAL 7035
Installation Indoor
Assembly A/B type: Wall mounting, C/D type: Floor mounting
Standards EN 60439, EN 60831, UNE-EN 61000-6-3,UNE-EN 61000-6-4

Other powers, voltages and frequencies on request.