IEEE C37.111 1999

$54.17

IEEE Standard Common Format for Transient Data Exchange (COMTRADE) for Power Systems

Published By	Publication Date	Number of Pages
IEEE	1999	55

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Description

Revision Standard – Inactive – Superseded. Reaffirmed 2005. A common format for data files and exchange medium used for the interchange of various types of fault, test, or simulation data for electrical power systems is defined. Sources of transient data are described, and the case of diskettes as an exchange medium is recommended. Issues of sampling rates, filters, and sample rate conversions for transient data being exchanged are discussed. Files for data exchange are specified, as is the organization of the data. A sample file is given.

PDF Catalog

PDF Pages	PDF Title
1	Title Page
3	Introduction
4	Participants
7	CONTENTS
9	1. Overview 1.1 Scope 1.2 Purpose 2. Files and data storage 2.1 Categories of files
10	2.2 Critical/non-critical data
11	2.3 Data representations 2.4 Data field delimiters and lengths
12	2.5 Floating point notation
13	2.6 Methods of accessing data in files 2.7 Primary to secondary ratios
14	3. COMTRADE Files 3.1 Header file (xxxxxxxx.HDR) 3.2 Configuration file (xxxxxxxx.CFG)
15	3.3 Data file (xxxxxxxx.DAT) 3.4 Information file (xxxxxxxx.INF) 4. Header file 4.1 Content
16	4.2 Filenames 4.3 Format 5. Configuration file 5.1 Content 5.2 Filenames 5.3 Format
22	5.4 Missing data in configuration files 5.5 Configuration file layout 6. Data file
23	6.1 Content 6.2 Data filenames 6.3 ASCII data file format
24	6.4 Example ASCII data sample 6.5 Binary data files
26	6.6 Example binary data sample 7. Information file
27	7.1 Content 7.2 Information file filenames 7.3 Information file structure
28	7.4 File characteristics 7.5 Section headings
29	7.6 Entry line
30	7.7 Adding, modifying, and deleting information
31	7.8 Public section header and entry line definitions 7.9 Public record information section
32	7.10 Public event information definition
33	7.11 Public file description section
34	7.12 Public analog channel section 7.13 Public status channel section
35	7.14 Sample .INF file
37	Annex A—Sources and exchange media for transient data
39	Annex B—Data exchange sampling rates
44	Annex C—Sample file
50	Annex D—Sample program for sampling frequency conversion
53	Annex E—Example application of conversion factors
55	Annex F—Bibliography