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IEEE C57.107-2024

$30.33

IEEE Recommended Practice for Developing Short-Term Overexcitation V/Hz Curves for Transformers Directly Connected to Generators (Approved Draft)

Published By Publication Date Number of Pages
IEEE 2024 20
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New IEEE Standard – Active. The recommended process and criteria for developing V/Hz curves for relay protection purposes for power transformers directly connected to generators are provided in this recommended practice.

PDF Catalog

PDF Pages PDF Title
1 IEEE Std C57.107™-2024 Front cover
2 Title page
4 Important Notices and Disclaimers Concerning IEEE Standards Documents
8 Participants
10 Introduction
11 Contents
12 1. Overview
1.1 Scope
1.2 Purpose
1.3 Word usage
13 2. Normative references
3. Definitions, acronyms, and abbreviations
3.1 Definitions
3.2 Acronyms and abbreviations
14 4. Introduction to the phenomenon of short-term overexcitation
4.1 Causes of short-term overexcitation of power transformers
4.2 Thermal impact of short-term overexcitation on power transformers
15 4.3 Relay practices
4.4 Existing short-term overexcitation curves
5. Procedure for developing short-term overexcitation criteria for power transformers
16 6. Recommended short-term temperature limits for metallic parts for V/Hz curves
17 Annex A (informative) Existing short-term overexcitation curves
18 Annex B (informative) Example V/Hz curves developed using proposed procedure
19 Annex C (informative) Bibliography
20 Back cover
IEEE C57.107-2024
$30.33