I.S. EN 60027-1:2006
Current
The latest, up-to-date edition.
LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY - PART 1: GENERAL
Hardcopy , PDF
English
01-01-2006
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FOREWORD
SECTION 0: GENERAL
Scope
SECTION 1: RECOMMENDATIONS FOR PRINTING SYMBOLS AND NUMBERS
1.1 Symbols for quantities
1.1.1 Symbols
1.1.2 Rules for printing of subscripts and use of subscripts
in electrical technology
1.1.3 Rules
1.1.4 Combination of symbols for quantities; elementary
operations with quantities
1.1.5 Substitution of letters
1.2 Names and symbols for units
1.2.1 International symbols for units
1.2.2 Combination of symbols for units
1.2.3 Printing of symbols for units
1.2.4 Printing and use of prefixes
1.2.5 Spelling of names of units in the English language
1.3 Numbers
1.3.1 Printing of numbers
1.3.2 Decimal sign
1.3.3 Multiplication of numbers
1.4 Mathematical signs and symbols
1.5 Expressions for quantities
1.6 Complex representation of quantities
SECTION 2: GENERAL RECOMMENDATIONS FOR TIME-DEPENDENT QUANTITIES
2.1 Quantities that vary with time periodically
2.2 Quantities that vary with time non-periodically
SECTION 3: SYMBOLS FOR QUANTITIES AND THEIR UNITS, SELECTED
CONSTANTS AND SIGNS
3.1 Introduction to tables for quantities and their units
3.2 Introduction to the tables for subscripts
3.3 Introduction to the table for mathematical signs and symbols
3.4 Introduction to the tables for time-dependent quantities
Annexes
A Greek alphabet
B Glossary of terms concerning letter symbols
B.1 Terms concerning the structure of letter symbols
B.2 Styles of letters
B.2.1 Names of various marks added to a kernel (X)
B.2.2 Illustrative examples
C Examples of time-dependent quantities
C.1 Examples of periodic quantities
C.2 Examples of transient quantities
C.3 Example of a random quantity
D Examples of use of source voltage and source current in
equivalent circuits
E Special note concerning the rules for the names of
quantities and units
F Systems of units and quantities
G Bibliography
Presents information about general quantities, units and their letter symbols and mathematical symbols that are to be used in electrical technology.
| DevelopmentNote |
Supersedes I.S. HD 60027-1. (11/2006) For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
|
| DocumentType |
Standard
|
| Pages |
128
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN 60027-1:2006/A2:2007 | Identical |
| IEC 60027-1:1992 | Identical |
| ISO 31-11:1992 | Quantities and units Part 11: Mathematical signs and symbols for use in the physical sciences and technology |
| IEC 60375:2003 | Conventions concerning electric and magnetic circuits |
| ISO 31-2:1992 | Quantities and units Part 2: Periodic and related phenomena |
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