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Harmonic Filters & Sizing Software

Harmonic Filters & Sizing

Harmonic Filters & Sizing Analysis

Harmonic filters are extensively used to mitigate harmonic problems.
System Harmonic Waveform
A properly designed harmonic filter can prevent the harmonic current from injecting into the system, or it can provide a low impedance path at the tuned frequency to remove a parallel resonance. The Harmonic Filter editor provides all the practical and popular filter structures for you to choose from.

Harmonic Filters & Sizing Software Key Features

  • Harmonic filter design & sizing
  • Harmonic filter sizing based on power factor correction, minimum cost, or minimum operation objectives
  • Automatic harmonic filter overloading checking & alert
Harmonic-Filter-Sizing

Built-in Harmonic Filter Types

  • By-Pass

    By-pass frequency characteristic

  • High-Pass Damped
    High-pass with damped frequency characteristic

  • High-Pass Undamped
    High-pass with undamped frequency characteristic

  • Single-Tuned
    Single-tuned frequency point

  • 3rd Order Damped
    Special high-pass damped filter where the inductance is replaced with a series LC Circuit to provide zero losses at the fundamental frequency and therefore avoiding parallel resonance

  • 3rd Order C-Type
    Special high-pass undamped filter where the inductance is replaced with a series LC Circuit to provide zero losses at the fundamental frequency and therefore avoiding parallel resonance
Harmonic-Filter-Editor

Videos

Filter Sizing

Learn how to size passive harmonic filters as part of harmonic analysis. The following filter types include expanded sizing capabilities: single-tuned (notch), high-pass damped, 3rd order damped, and 3rd order C-type.

Literature

Impact of Harmonics on Performance of Over-Current Relays

Impact of Harmonics on Performance of Over-Current Relays

This Paper investigates the impact of power system harmonics on the performance of over-current relays.

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Electrical Power System Analysis