Presentation Scheduled for 2023 NAPS

As new technologies for load-based structures transition to more modern diode bridge and IGBT based rectification configurations, electrical harmonics become a key consideration in planning for distribution grid design and load structure power quality specification.

Many Utilities within the US, as well as, around the world are increasingly requiring customers to comply with the relevant harmonic standards for their specificational realm. In the United States and reciprocal with Canada, IEEE 519-2022 is the foundation of most Provider based PQ requirements for low-frequency harmonic applications (3 kHz or less), and IEC 61800-3 for high-frequency applications (150 kHz and above)… meaning there is an entire bandwidth of potential harmonic frequencies where no active standards make recommendations for current or voltage harmonic limits (3 kHz – 150 kHz).

Little is taught or covered about the applicational challenges of harmonic mitigation and design/specificational “best practices” for assuring proper load structure power quality. IEEE-published paper references will be included for reference and referral.

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Primary Author & Presenter:

• Michael A. McGraw – Independent Consultant – Mills River, NC USA

Contributors:

• Alexander Hoevenaars – Electrical Engineering Manager – Mirus International, Inc. Brampton. Ontario, Canada
  • Brady Burke, PE – Power Quality Engineer – Pacific Gas & Electric
  • Paul Hoevenaars – General Manager – Mirus International, Inc. Brampton, Ontario, Canada