Active Harmonic Filtering

The Eaton HCU series of Active Harmonic Filters provide full spectrum harmonic cancellation to assist sites to comply with IEEE 519 standards, without the traditional risk of system resonance.

The Eaton HCU is a current compensation device; producing current at frequencies that are multiplies of the AC fundamental frequency.

This system provides full correction of harmonic currents, enabling facilities to reduce distortion, stress on distribution equipment, reduce motor failure and ensure compliance with IEEE 519 requirements.


  • Harmonic Cancellation
  • Power Factor Correction
  • VAR Compensation
  • Resonance elimination

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Active Harmonic Filter Guide

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