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  • IEC TS 60076-19:2013

    Current The latest, up-to-date edition.

    Power transformers - Part 19: Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English - French, Spanish, Castilian

    Published date:  22-03-2013

    Publisher:  International Electrotechnical Committee

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

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols
    5 Power measurement, systematic deviation and uncertainty
    6 Procedures for no-load loss measurement
    7 Procedures for load loss measurement
    8 Three-phase calculations
    9 Reporting
    10 Estimate of corrections and uncertainty contributions
    Annex A (informative) - Example of load loss uncertainty
            evaluation for a large power transformer
    Annex B (Informative) - Example of load loss uncertainty
            evaluation for a distribution transformer
    Bibliography

    Abstract - (Show below) - (Hide below)

    IEC/TS 60076-19:2013, which is a Technical Specification, illustrates the procedures that should be applied to evaluate the uncertainty affecting the measurements of no-load and load losses during the routine tests on power transformers. Even if the attention is especially paid to the transformers, when applicable the specification can be also used for the measurements of reactor losses, except large reactors with very low power factor.

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

    Committee TC 14
    Document Type Technical Specification
    Publisher International Electrotechnical Committee
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    PD IEC TS 60076-20:2017 Power transformers Energy efficiency
    I.S. EN 50629:2015 ENERGY PERFORMANCE OF LARGE POWER TRANSFORMERS (U[M] > 36 KV OR S[R] >= 40 MVA)
    BS EN 50629 : 2015 ENERGY PERFORMANCE OF LARGE POWER TRANSFORMERS (U[M] > 36 KV OR S[R] >= 40 MVA)
    EN 50629:2015/A2:2018 ENERGY PERFORMANCE OF LARGE POWER TRANSFORMERS (U[M] > 36 KV OR S[R] >= 40 MVA)

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

    ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
    IEC 61869-3:2011 Instrument transformers - Part 3: Additional requirements for inductive voltage transformers
    IEC 61869-2:2012 Instrument transformers - Part 2: Additional requirements for current transformers
    IEC 61869-1:2007 Instrument transformers - Part 1: General requirements
    IEC 60076-8:1997 Power transformers - Part 8: Application guide
    IEC 60076-1:2011 Power transformers - Part 1: General
    IEEE C57.123-2010 REDLINE IEEE Guide for Transformer Loss Measurement
    IEC 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
    ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
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