IEEE C57.98 2012

$72.58

IEEE Guide for Transformer Impulse Tests

Published By	Publication Date	Number of Pages
IEEE	2012	92

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Description

Revision Standard – Active. Transformer connections, test methods, circuit configurations, failure analysis of lightning impulse, and switching impulse testing of power transformers are addressed. This guide is also generally applicable to distribution and instrument transformers.

PDF Catalog

PDF Pages	PDF Title
1	IEEE Std C57.98-2011 Front Cover
3	Title Page
6	Notice to users Laws and regulations Copyrights Updating of IEEE documents Errata Patents
8	Participants
10	Introduction
11	Contents
13	Important Notice 1. Overview 1.1 Scope 1.2 Purpose
14	2. Normative references 3. Impulse Testing 3.1 General
15	3.2 Impulse waveshapes
17	4. Lightning impulse test circuits 4.1 Waveshape control
27	4.2 Chopped-wave impulse testing of transformers
29	4.3 Non-linear devices
30	4.4 Arrangement of lightning impulse test circuits
32	4.5 Measurement of lightning impulse voltages
33	4.6 Digital recording instruments
35	4.7 Failure detection
38	4.8 Normal test procedure 4.9 Troubleshooting
40	4.10 Dry type transformers
41	4.11 Voltage and current transformers
44	4.12 Examples of impulse waveforms
54	4.13 Methods of presenting lightning impulse test results
56	5. Switching impulse testing 5.1 Switching impulse testing techniques
57	5.2 Switching impulse waveshapes
58	5.3 Switching impulse test circuit
61	5.4 Measurement of switching impulse voltage
64	5.5 Switching impulse failure detection
65	5.6 Switching impulse and non-linear devices 5.7 Methods of presenting switching impulse test results
67	6. Grounding practices 6.1 General
70	7. Impulse generator size
74	Annex A (informative) Advanced processing of digital records
90	Annex B (informative) Bibliography