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CENELEC
EN 60076-19:2015

EN 60076-19:2015

Current

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

Published date

28-08-2015

Publisher

European Committee for Standards - Electrical

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

To illustrate 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.

Committee
CLC/TC 14
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

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)

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
EN 61869-3 : 2011 INSTRUMENT TRANSFORMERS - PART 3: ADDITIONAL REQUIREMENTS FOR INDUCTIVE VOLTAGE TRANSFORMERS (IEC 61869-3:2011)
EN 61869-2 : 2012 INSTRUMENT TRANSFORMERS - PART 2: ADDITIONAL REQUIREMENTS FOR CURRENT TRANSFORMERS
IEC 61869-1:2007 Instrument transformers - Part 1: General requirements
EN 61869-1:2009 Instrument transformers - Part 1: General requirements
IEC 60076-1:2011 Power transformers - Part 1: General
CLC/TR 50462:2008 Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors
EN 60076-1:2011 POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011)
IEC 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
EN 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers

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