Power Factor Correction in the Presence of Harmonics
Phone  :  586.979.9955
Fax  :  586.979.9484

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Harmonic Filters

Harmonics are multiples of a fundamental frequency. For example, in a 60 Hz system, the 5th harmonic is 300 Hz. The total amount of harmonics in a power system is referred to as Total Harmonic Distortion (THD).

Harmonics are caused by non-linear load devices such as variable frequency drives, AC to DC converters, and UPS systems. Harmonics when present in a power system, often result in higher voltages and currents. This condition is known as poor power quality.
Myron Zucker, Inc.'s Caltrap™ and Capacitrap® series should be applied to loads that are mostly constant and harmonic mitigation is required.

Applied at the source to mitigate harmonics.
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Locate at plant distribution center or service entrance for upstream harmonic reduction.
The Autocapacitrap™ and the ZT Capacitrap should be applied where the need for harmonic mitigation varies.

Automatically-switched passive filter for loads that vary; located at plant distribution center or service entrance.
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Fast-acting thyristor switches insert and remove capacitance in as little as 5-8 milliseconds. The RSS uses soft-switching technology to provide transient free switching of capacitors.
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Active Harmonic Filter can be incorporated with any non-linear loads to meet IEEE 519 requirements.

Active Harmonic Filter that instantly reacts to and corrects a wide range of harmonic conditions.
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MYRON ZUCKER INC. products are designed to:

  • Improve power factor
  • Eliminate utility penalties or surcharges
  • Increase available distribution capacity
  • Mitigate harmonic distortion
  • Protect sensitive equipment
  • Decrease downtime
  • Reduce line losses and associated cost
  • Comply with industry standards


Myron Zucker, Inc.
36825 Metro Court
Sterling Heights, MI 48312
Phone: 586.979.9955
Fax: 586.979.9484
Email: [email protected]