IEEE C37.114 2005

$37.38

IEEE Guide for Determining Fault Location on AC Transmission and Distribution Lines

Published By	Publication Date	Number of Pages
IEEE	2005	44

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Description

New IEEE Standard – Active. Electrical faults on transmission and distribution lines are detected and isolated bysystem protective devices. Once the fault has been cleared, outage times can be reduced if thelocation of the fault can be determined more quickly. This guide outlines the techniques andapplication considerations for determining the location of a fault on ac transmission and distributionlines. The document reviews traditional approaches and the primary measurement techniques usedin modern devices: one-terminal and two-terminal impedance-based methods and traveling wavemethods. Application considerations include: two- and three-terminal lines, series-compensatedlines, parallel lines, untransposed lines, underground cables, fault resistance effects, and otherpower system conditions, including those unique to distribution systems.

PDF Catalog

PDF Pages	PDF Title
1	IEEE Std C37.114™-2004, IEEE Guide for Determining Fault Location on AC Transmission and Distribution Lines
3	Title page
5	Introduction Notice to users Errata Interpretations Patents
6	Participants
7	CONTENTS
9	1. Overview 1.1 Scope
10	1.2 How to determine line parameters
11	2. References 3. Definitions, acronyms, and abbreviations 3.1 Definitions
12	3.2 Acronyms and abbreviations 4. One-ended impedance-based measurement techniques
13	4.1 Implementation: data and equipment required
14	4.2 System parameters and main sources of error: fault resistanc
16	4.3 Algorithms
18	5. Two-terminal data methods 5.1 Implementation: data and equipment required
19	5.2 System parameters 5.3 Algorithms
20	6. Other fault location applications 6.1 Three-terminal lines 6.2 Series-compensated lines
23	6.3 Parallel lines
24	6.4 Distribution system faults
26	6.5 Locating faults on underground cables, paralleled cable circ
28	6.6 Automatic reclosing effects on fault locating 6.7 Effect of tapped load
29	6.8 Phase selection, fault identification, sequential faults 6.9 Long lines and reactor and capacitor installations 6.10 Short duration faults
30	6.11 Effect of untransposed lines on accuracy of line parameters
31	6.12 Comparison of one-terminal and two-terminal impedance-based
34	7. Traveling wave techniques
35	7.1 Data and equipment required 7.2 Accuracy limitations
36	7.3 Traveling wave methods
37	8. Other techniques 8.1 Methods using synchronized phasors 8.2 Methods requiring time-tagging of the events 9. Conclusion
39	Annex A (informative) Bibliography
42	Annex B (informative) Additional information on series-compensated lines