IEEE C57.134 2014

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IEEE Guide for Determination of Hottest-Spot Temperature in Dry-Type Transformers

Published By	Publication Date	Number of Pages
IEEE	2014	25

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Description

Revision Standard – Active. Methodologies for determination of the steady-state winding hottest-spot temperature in dry-type distribution and power transformers with ventilated, sealed, solid cast, and encapsulated windings built in accordance with IEEE Std C57.12.01(TM) and IEC 60726 are described in this guide. Converter transformers are not included in this guide.

PDF Catalog

PDF Pages	PDF Title
1	IEEE Std C57.134-2013 Front Cover
2	Title page
5	Important notices and disclaimers concerning IEEE standards documents
8	Participants
10	Introduction
11	Contents
13	Important notice 1. Overview 1.1 Scope 1.2 Purpose
14	2. Normative references 3. Definitions
15	4. Temperature measurement 4.1 Temperature sensors 4.2 Accuracy 4.3 Attachment of temperature sensors 4.4 Temperature measurement methodology 4.5 Application
16	5. Determination of winding hottest-spot temperature 5.1 Validation of winding hottest-spot temperature 5.2 Factors affecting winding hottest-spot temperature rise
17	5.3 Transformer thermal model 5.4 Prototype thermal test to develop or validate mathematical models
20	Annex A (informative) Temperature measurement methodology A.1 Introduction A.2 Hottest-spot location
21	A.3 Brief assessment of selected temperature measuring devices
22	A.4 Temperature measurement device comparison methodology
24	Annex B (informative) Bibliography