Protective Relay Reference

Data record std.ieee-c37-112.structure.annex-a

Verified 2026-10-24 Confidence: High

Annex A of IEEE C37.112-2018 is informative; it derives the trip and reset equations from the dynamics of an induction disk and tabulates measured constants for two induction relay models in Tables A.1 and A.2.

ProvenanceIEEE C37.112-2018 supports data record std.ieee-c37-112.structure.annex-a, which is cited on the entry IEEE Standard for Inverse-Time Characteristics Equations for Overcurrent Relays.SOURCEIEEE C37.112-2018IEEE C37.112-2018Licensed standard, clause Annex ADATA RECORDstd.ieee-c37-112.structure.annex-astd.ieee-c37-112.structu..Verified 2026-10-24ENTRYIEEE Standard for Inverse-Time Characteristics Equations for Overcurrent RelaysIEEE Standard for Invers..No revisions
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StepItemDetail
SourceIEEE C37.112-2018Licensed standard, clause Annex A
Data recordstd.ieee-c37-112.structure.annex-aVerified 2026-10-24
EntryIEEE Standard for Inverse-Time Characteristics Equations for Overcurrent RelaysNo revisions
Subject
IEEE Standard for Inverse-Time Characteristics Equations for Overcurrent Relays (Standards)
Kind
Standard scope
Source
IEEE C37.112-2018, clause Annex A, IEEE Standard for Inverse-Time Characteristics Equations for Overcurrent Relays, IEEE.

History

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DateChange
2026-10-24created
2026-10-24review_status unreviewed -> software_reviewed

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"Data record std.ieee-c37-112.structure.annex-a." Protective Relay Reference. 2026-10-24. https://www.protectiverelayreference.com/data/std.ieee-c37-112.structure.annex-a/.