EN 60027-3:2007
Current
Letter symbols to be used in electrical technology - Part 3: Logarithmic and related quantities, and their units
01-05-2007
FOREWORD
1 Scope
2 Normative references
3 Logarithmic quantities
4 Logarithmic ratios of field quantities and power
quantities
4.1 Logarithmic ratios of field quantities
4.2 Logarithmic ratios of power quantities
4.3 Levels
4.4 Additional information on logarithmic ratios
of field quantities and power quantities
5 Logarithmic information-theory quantities
6 Other logarithmic quantities
6.1 General
6.2 Logarithmic frequency interval
7 Names, symbols, and definitions
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Applies to logarithmic quantities and units. Quantities that can be expressed as the logarithm of a dimensionless quantity, such as the ratio of two physical quantities of the same kind, can be regarded and treated in different ways. In many cases, differences do not affect practical treatment.
| Committee |
CLC/SR 25
|
| DevelopmentNote |
Supersedes HD 60027-3. (01/2007)
|
| DocumentType |
Standard
|
| PublisherName |
European Committee for Standards - Electrical
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NEN EN IEC 60027-3 : 2007 | Identical |
| NBN EN 60027-3 : 2007 | Identical |
| NF EN 60027-3 : 2007 | Identical |
| I.S. EN 60027-3:2007 | Identical |
| DIN EN 60027-3:2015-08 (Draft) | Identical |
| BS EN 60027-3:2007 | Identical |
| PN-EN 60027-3:2007/Ap2:2021-10 | Identical |
| CEI EN 60027-3 : 2007 | Identical |
| IEC 60027-3:2002 | Identical |
| DIN EN 60027-3:2007-11 | Equivalent |
| BS EN 61753-381-2:2016 | Identical |
| UNE-EN 60027-3:2007 | Identical |