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IEEE 1538a 2015

$26.00

IEEE Guide for Determination of Maximum Winding-Temperature Rise in Liquid Immersed Transformers — Amendment 1

Published By Publication Date Number of Pages
IEEE 2015 24
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Amendment Standard – Active. The clause that addresses direct measurement with fiber-optic detectors is expanded and an annex detailing examples of installation techniques for fiber-optic probes is added in this amendment.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std 1538a™-2015 Front Cover
3 Title page
5 Important Notices and Disclaimers Concerning IEEE Standards Documents
8 Participants
10 Introduction
11 Contents
12 Important Notice
13 4. Test methods
4.1 Direct measurement by fiber-optic detectors1F
4.1.1 Introduction
14 4.1.2 Number of probes
4.1.3 Location of sensors on the limb selected
4.1.3.1 Transformers with windings without tap discs
16 4.1.3.2 Double-concentric winding without tap discs
4.1.3.3 Windings with tap discs
18 Annex A (informative) Bibliography on experimental testing to predict or confirm transformer thermal performance
19 Annex D (informative) Typical installation examples for fiber optic probes
D.1 General
D.2 Windings with radial spacers
20 D.3 Layer windings made of flat or CTC conductors
22 D.4 Foil windings
23 D.5 Windings without radial spacers but with axial spacers in large transformers
D.6 Bibliography for Annex D
24 Back Cover
IEEE 1538a 2015
$26.00