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Harmonic Filters & Sizing

Harmonic Filters & Sizing Analysis

개요

Harmonic filters are extensively used to mitigate harmonic problems.

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 and sizing of multiple filter types based on IEEE Std. 1531-2020
Harmonic filter sizing based on power factor correction, minimum cost, or minimum operation objective
Automatic harmonic filter overloading checking & alert
Preview filter behavior by plotting existing and newly sized filter impedances vs. the harmonic order

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 (Notch)
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

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Videos

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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.