• I.S. HD 60027-1:2004

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    LETTER SYMBOLS TO BE USED IN ELECTRICAL TECHNOLOGY - PART 1: GENERAL

    Available format(s):  Hardcopy, PDF

    Superseded date:  15-11-2006

    Language(s):  English

    Published date:  01-01-2004

    Publisher:  National Standards Authority of Ireland

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    SECTION 0: GENERAL
    Scope
    SECTION 1: RECOMMENDATIONS FOR PRINTING SYMBOLS AND
               NUMBERS
    1.1 Symbols for quantities
    1.2 Names and symbols for units
    1.3 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 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 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 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

    Abstract - (Show below) - (Hide below)

    Specifies letter symbols for quantities and units used in electrical technology, and rules for their use and combination.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 31-11:1992 Quantities and units Part 11: Mathematical signs and symbols for use in the physical sciences and technology
    ISO 31-0:1992 Quantities and units Part 0: General principles
    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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