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Data record gloss.long-duration-rms-variation.ieee1159.definition

Verified 2026-10-27 Confidence: High

In IEEE 1159-2019 a long-duration rms variation is a deviation of the rms voltage or current from nominal that outlasts the boundary clause 3 sets between short-duration and long-duration variations, described by a magnitude modifier: undervoltage, overvoltage or voltage interruption.

ProvenanceIEEE 1159-2019 supports data record gloss.long-duration-rms-variation.ieee1159.definition, which is cited on the entry Long duration rms variation.SOURCEIEEE 1159-2019IEEE 1159-2019Licensed standard, clause 3DATA RECORDgloss.long-duration-rms-variation.ieee1159.definitiongloss.long-duration-rms-..Verified 2026-10-27ENTRYLong duration rms variationLong duration rms variat..No revisions
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StepItemDetail
SourceIEEE 1159-2019Licensed standard, clause 3
Data recordgloss.long-duration-rms-variation.ieee1159.definitionVerified 2026-10-27
EntryLong duration rms variationNo revisions
Subject
Long duration rms variation (Glossary)
Kind
Definition
Source
IEEE 1159-2019, clause 3, Recommended Practice for Monitoring Electric Power Quality, IEEE. Publisher pagePublisher information page

History

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DateChange
2026-10-27created

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"Data record gloss.long-duration-rms-variation.ieee1159.definition." Power Quality Reference. 2026-10-27. https://www.powerqualityreference.com/data/gloss.long-duration-rms-variation.ieee1159.definition/.