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HarmonicGuard Solution Center

The HarmonicGuard Solution Center features a dynamic analysis tool that uses your basic system data to generate accurate harmonic and power quality analysis for your unique application.


About TCI

TCI provides a variety of solutions to improve power quality, extend motor life and performance, and protect sensitive equipment in a variety of applications.


High Voltage Distortion

It is critical to select the right harmonic mitigation approach under harsh, high background voltage distortion conditions.


Meeting IEEE 519

Learn more about Key Changes and Differences between the New IEEE 519-2014 Standard and IEEE 519-1992.


MotorShield Sinewave Filter

High performance Motor Protection Output Filter eliminates harmful dv/dt to result in a sinewave output.


Contact Us

Let us know how we can help you address your Power Quality needs.



CEO Steve Copp to retire

Steve Copp, TCI's Chief Executive Officer, to retire effective June 30, 2015

MotorShield Sinewave Filter

TCI releases new Sinewave Output Filter and motor protection solution.

IEEE 519 updates and changes

TCI releases paper on key changes and differences between the new IEEE 519 2014 standard and IEEE 519 1992.

HarmonicGuard Solution Center

Version 2.1 of analysis tool incorporates more tools to make project management easier and quoting more accurate.



Harmonic Applications

High Frequency Noise Applications

Motor Protection Applications

TCI, LLC is the premier supplier of peripherals for AC and DC drives and a respected partner of drive manufacturers and distributors worldwide.  Our products include active harmonic filters, passive harmonic filters, motor protection filters, line reactors, and other high quality products that increase the value and improve the overall system performance of power inverters.

Copyright© 2011 TCI, LLC     Tel. (800) 824-8282     Fax. (414) 357-4484     W132 N10611 Grant Drive, Germantown, WI 53022
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