IEEE C57.144 2004

$44.96

IEEE Guide for Metric Conversion of Transformer Standards

Published By	Publication Date	Number of Pages
IEEE	2004	18

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Description

New IEEE Standard – Active. A consistent and accurate method of converting dimensions and quantities in transformer standards to SI units is provided in this guide.

PDF Catalog

PDF Pages	PDF Title
1	Cover
2	IEEE Guide for Metric Conversion of Transformer Standards
4	Introduction Notice to users
5	Participants
7	Contents
8	IEEE Guide for Metric Conversion of Transformer Standards 1. Overview 1.1 Scope 1.2 Purpose 2. References
9	3. Guidelines 3.1 Application of converted values 3.2 “Hard”and “soft” conversion 3.3 Use convenient numbers 3.4 Convert fractions 3.5 Determine tolerance 3.6 Maintain original minimums and maximums
10	3.7 Significant digits should be less than 10% of the overall tolerance 3.8 Method for conversion of toleranced values 3.9 Gage and absolute pressure 3.10 Maintain significant digits
11	3.11 The precision of a value 3.12 Trade sizes 3.13 Standard for rounding 3.14 Conversion math 3.15 Writing unit symbols 3.16 Capitalization 3.17 Units of force and mass
12	3.18 Specifying a quantity with a tolerance 3.19 Dual dimensioning 3.20 Temperature conversion 3.21 Default tolerances 3.22 Convenience and drawing clarity
13	3.23 Separate + and – tolerances 3.24 Safety issues
14	Annex A (normative) Conversion of quantities common to transformer standards
16	Annex B (normative) Guideline background and development
18	Annex C (informative) Bibliography