What Level Of Harmonic Mitigation Do You Need? MTE offers a family of application engineered products designed for the performance you need. Harmonic Mitigation Is Essential For Extending Equipment Life mtecorp.com Total Harmonic Distortion (THID%) Dependent on Application Used. WITHOUT ANY harmonic mitigation, VFDs can generate THID in excess of 100% of the fundamental frequency. VFD Utility Power RL Reactors Matrix ONE (Single Phase) Matrix E-Series Matrix AP THID 30-40% THID 12% THID 8% THID <5% IEEE-519 STANDARD The IEEE-519 standard, established by the Institute of Electrical and Electronics Engineers (IEEE), provides guidance on managing harmonic distortion. This standard focuses on determining acceptable levels of harmonic distortion at the “point of common coupling,” which is the connection point between a facility and the public power system. Essentially, it serves as a guideline for setting limits on the amount of harmonic distortion that a facility can introduce back into the power grid. The purpose is to prevent individual customers from generating excessive harmonics that could cause unacceptable distortion for other nearby users. In return, the utility company commits to maintaining specified levels of voltage distortion supplied to the facility. 3
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