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IEEE C37.237-2018

IEEE C37.237-2018

$47.67

IEEE Standard for Requirements for Time Tags Created by Intelligent Electronic Devices–COMTAG

Published By Publication Date Number of Pages
IEEE 2018 52
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New IEEE Standard – Active. Common requirements for associating time tags with data items recorded or transmitted by Intelligent Electronic Devices (IEDs) are established in this standard. Time tag attributes and requirements for describing time tag accuracy are specified in this standard.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std C37.237™-2018 Front cover
2 Title page
4 Important Notices and Disclaimers Concerning IEEE Standards Documents
7 Participants
8 Introduction
9 Contents
10 1. Overview
1.1 Scope
1.2 Purpose
2. Definitions, acronyms, and abbreviations
2.1 Definitions
12 2.2 Acronyms and abbreviations
13 3. Events
3.1 Physical events
14 3.2 Internal IED events
15 3.3 Communication-based events
4. General requirements
4.1 Time tag association requirements
4.2 Clock synchronization requirements
16 5. Time tag content requirements
17 5.1 Time tag accuracy classes
18 5.2 Time quality, time quality class, and time quality flags
20 6. IED specification requirements
7. Testing
7.1 Testing physical events
21 7.2 Testing of internal events
7.3 Testing communication-based events
22 Annex A (normative) Extensions to IRIG-B time code
A.1 IRIG-B time code introduction
23 A.2 IRIG-B time code extensions
25 A.3 Extension of the coded expressions to use the SBS field for TDM data
30 Annex B (informative) Event record description
32 Annex C (informative) Considerations for IEDs
C.1 General
C.2 Compensation for delay in ancillary devices (transducers, VT/CT, wiring, capacitance, etc.)
33 C.3 Analog signal processing error
C.4 Derived quantities
34 C.5 Digital input error
35 C.6 Sampling issues
37 Annex D (informative) Thresholds for event detection and triggers
D.1 General
D.2 Setting triggers and thresholds
39 Annex E (informative) Time scales and related issues
E.1 General
E.2 Time scales, time zones, and non-sequential events
41 Annex F (informative) COMTRADE (IEEE Std C37.111™-2013) compatibility
42 Annex G (informative) Correlating data from different sources; data interpolation
47 Annex H (informative) COMFEDE (IEEE Std C37.239™) compatibility
51 Annex I (informative) Bibliography
52 Back cover

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IEEE C37.237-2018
$47.67