Data record `std.ieee-1159.structure.added-terms`

Verified 2026-10-27 Confidence: High

Clause 4.3 of IEEE 1159-2019 explains the terms it adds to the IEC vocabulary: sag as the North American synonym of dip, swell as the inverse of sag, a long-duration variation category tied to the ANSI C84.1 ranges, a noise category for broadband conducted phenomena, and waveform distortion as a container for harmonics, interharmonics, dc in ac networks and notching.

Provenance. Where this record comes from and where it is used: the cited source, the record itself and the entry that cites it.

Provenance: the chain from source to entry.
Step	Item	Detail
Source	IEEE 1159-2019	Licensed standard, clause 4.3
Data record	std.ieee-1159.structure.added-terms	Verified 2026-10-27
Entry	IEEE Recommended Practice for Monitoring Electric Power Quality	No revisions

Subject: IEEE Recommended Practice for Monitoring Electric Power Quality (Standards)
Kind: Standard scope
Source: IEEE 1159-2019, clause 4.3, Recommended Practice for Monitoring Electric Power Quality, IEEE. Publisher page Publisher information page

History

Every recorded change to this data record, oldest first.
Date	Change
2026-10-27	created

Cite this page

Cite the governing standard for the fact itself; cite this page as the finding aid.

"Data record std.ieee-1159.structure.added-terms." Power Quality Reference. 2026-10-27. https://www.powerqualityreference.com/data/std.ieee-1159.structure.added-terms/.

Power Quality Reference, Data record std.ieee-1159.structure.added-terms (Oct. 27, 2026), https://www.powerqualityreference.com/data/std.ieee-1159.structure.added-terms/.

@misc{etr-data-std-ieee-1159-structure-added-terms,
  title = {Data record std.ieee-1159.structure.added-terms},
  howpublished = {\url{https://www.powerqualityreference.com/data/std.ieee-1159.structure.added-terms/}},
  organization = {Power Quality Reference},
  publisher = {Power Quality Reference},
  year = {2026},
  note = {last substantive change 2026-10-27}
}

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