Overvoltage
Updated 2026-10-27
Data records
- In IEEE 1159-2019 an overvoltage is a long-duration increase of the rms voltage above the nominal range, caused by load switching, changes in reactive compensation, poor voltage regulation or incorrect transformer tap settings rather than by faults.
Sources
- IEEE 1159-2019, Recommended Practice for Monitoring Electric Power Quality, 2019 edition, IEEE. Cited: clause 4.4.3.1. Held as: Purchased single-user copy. Publisher page for IEEE 1159-2019Publisher information page
Obtaining the documents
- IEEE 1159-2019: available from the publisher
Changelog (1 entry)
| Date | Revision | Change |
|---|---|---|
| 2026-10-27 | created (gloss.overvoltage.ieee1159.definition) |
Cite this page
Cite the governing standard for the fact itself; cite this page as the finding aid.
"Overvoltage." Power Quality Reference. 2026-10-27. https://www.powerqualityreference.com/glossary/overvoltage/.
Power Quality Reference, Overvoltage (Oct. 27, 2026), https://www.powerqualityreference.com/glossary/overvoltage/.
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title = {Overvoltage},
howpublished = {\url{https://www.powerqualityreference.com/glossary/overvoltage/}},
organization = {Power Quality Reference},
publisher = {Power Quality Reference},
year = {2026},
note = {last substantive change 2026-10-27}
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