Harmonic Filters
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August 17, 2023
Grid Protection
Overview Non-linear loads such as variable frequency drives (VFD’s) produce significant harmonic distortion that can have harmful effects on a motor drive system. These VFD’s also produce reflected harmonics that…
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January 9, 2023
Maximize Energy Efficiency & Reduce Costs with CTM Magnetics
Problem: Energy Pollution The ongoing technological development and restructuring of the grid bring about an increased number of sophisticated electrical equipment being installed at all levels of the power system.…
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February 21, 2021
GridHawk® Series Advantages
GridHawk Passive Harmonic Filters CTM’s GridHawk® series passive harmonic filters boast several key advantages over market standard harmonic filters. These advantages include: High Grid Voltage Survivability GridHawk® filters are unique…
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February 19, 2021
Sealed Contactors Protect Outdoor Harmonic Filters
Sealed Contactors Protect Outdoor Harmonic Filters Many harmonic filters use NEMA 3R outdoor cabinets in blowing dust or high humidity environments. A harmonic filter awaiting installation in the field for…
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February 17, 2021
Impact of Cable Connection Length on Harmonic Distortion
The Problem With Cable Length Long cables increase harmonic distortion for the overall motor drive system (figure 1). CTM discovered the effect of cable lengths on harmonic distortion through customer…
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February 15, 2021
The Basics of Passive Harmonic Filters
Introduction: Passive harmonic filters are commonly used on the input side of motor drive systems. Their purpose is to mitigate the amount of harmonic distortion produced by variable frequency drives…