News & Articles
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August 22, 2023
High Frequency Transformers
Overview CTM Magnetics produces high frequency transformers with silicon carbide frequencies up to 50 kHz. Our transformer products have been used in both medical and military applications where performance is critical. Our…
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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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August 17, 2023
Motor Protection
Overview With more than 85% of electrical energy being consumed by motors in industrial production, the ability to optimize these motors for energy efficiency and longevity is of great value. For…
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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 23, 2021
CTM Filters Lower PM Motor Drive Investment
Lower the capital investment (CAPEX) of your motor drive system. Avoid costly derates, without sacrificing performance. A better solution exists today. CTM HighSine™ & FlexSine® Filters Terminology: VFD (THD OUT):…
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February 22, 2021
High Frequency Filtering For High Speed Motors
High Frequency Motor Applications Require Extra Filtering High frequency motor applications lead to higher harmonic distortion for the entire motor drive system. To account for this one can either reduce…
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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 20, 2021
Film Capacitors vs. Electrolytic Capacitors
Film Capacitor Advantages CTM Magnetics utilizes high-reliability poly-film capacitors. Compared to the electrolytic capacitors used in our competitors’ filters, CTM’s film capacitor advantages include higher temperature ratings, higher surge voltage…
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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 18, 2021
CTM Sine Wave Filters Don’t Create Common Mode Noise
Conventional sine wave filters introduce a substantial amount of common mode noise. Common-mode (bearing) current can have disastrous effects on induction motors, leading to electric fluting and premature bearing failure.…
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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 16, 2021
Advantages of CTM Liquid Cooled Technology
Customer Case Studies: Customer Case Study #1: Military Application CTM Magnetics engineered the highest power density solution of it’s kind in order to solve a power conversion problem no one…