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IEEE C37.235 2008

$44.96

IEEE Guide for the Application of Rogowski Coils Used for Protective Relaying Purposes

Published By Publication Date Number of Pages
IEEE 2008 55
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New IEEE Standard – Active. This guide establishes criteria and requirements for application of Rogowski coils (RCs) (air-core current sensors) used for protective relaying in electric power systems. The selection and application of RCs for the more common protection schemes are addressed.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std C37.235™-2007, IEEE Guide for the Application of Rogowski Coils Used for Protective Relaying Purposes
3 Title page
6 Introduction
Notice to users
Errata
Interpretations
Patents
7 Participants
9 CONTENTS
11 IEEE Guide for the Application of Rogowski Coils Used for Protective Relaying Purposes
1. Overview
1.1 Scope
1.2 Purpose
1.3 Protective relaying principles using Rogowski coils
12 2. Normative references
13 3. Definitions, acronyms, and abbreviations
3.1 Definitions
14 3.2 Acronyms and abbreviations
4. Review of conventional current sensor technologies
4.1 Iron-core current transformers
16 4.2 Gapped-core current transformers
17 4.3 Linear couplers
5. Rogowski coils
5.1 Theory of operation
21 5.2 Rogowski coil designs
23 5.3 Performance characteristics
25 5.4 The use of the Rogowski coil signal
30 5.5 Comparison of conventional current transformers to Rogowski coils
33 5.6 Installation considerations
35 5.7 Interface with relays
37 5.8 High-voltage system insulation and integration with voltage sensors
38 5.9 Standards
40 5.10 Testing
43 5.11 Rules for transport, storage, installation, operation, and maintenance
44 5.12 Applications for protective relaying
50 Annex A (informative) Other nonconventional technologies for current measurements
52 Annex B (informative) Bibliography
IEEE C37.235 2008
$44.96