CEI CLC/TR 50462 : 2009
Current
The latest, up-to-date edition.
RULES FOR THE DETERMINATION OF UNCERTAINTIES IN THE MEASUREMENT OF THE LOSSES ON POWER TRANSFORMERS AND REACTORS
Hardcopy , PDF
English
01-01-2009
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Introduction
1 Scope
2 Normative references
3 Definitions
4 Symbols
5 Power measurement, systematic deviation and uncertainty
6 Procedures for no-load loss
7 Procedures for load loss
8 Three-phase calculations
9 Reporting
10 Estimation 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
Annex C (informative) - General rules for the uncertainty
estimate
Annex D (informative) - Sensitivity coefficients for uncertainty
contributions due to phase displacement correction
of measurements at low power factor
Annex E (informative) - Model function for load loss
temperature correction
Annex F (informative) - Measurement of winding resistance
Bibliography
Describes the procedures and criteria to be applied to evaluate the uncertainty affecting the measurements of no load and load losses during the routine tests on power transformers.
| Committee |
CT 14
|
| DevelopmentNote |
Classificazione CEI 14-36. (03/2009)
|
| DocumentType |
Standard
|
| Pages |
62
|
| PublisherName |
Comitato Elettrotecnico Italiano
|
| Status |
Current
|
| Standards | Relationship |
| CLC/TR 50462:2008 | Identical |
| EN 60044-2:1999/A2:2003 | INSTRUMENT TRANSFORMERS - PART 2: INDUCTIVE VOLTAGE TRANSFORMERS |
| ISO/IEC 17025:2005 | General requirements for the competence of testing and calibration laboratories |
| ISO/IEC Guide 98:1993 | Guide to the expression of uncertainty in measurement (GUM) |
| IEC 60044-2:1997+AMD1:2000+AMD2:2002 CSV | Instrument transformers - Part 2 : Inductive voltage transformers |
| IEC 60044-1:1996+AMD1:2000+AMD2:2002 CSV | Instrument transformers - Part 1: Current transformers |
| IEC 60076-1:2011 | Power transformers - Part 1: General |
| IEEE C57.123-2010 REDLINE | IEEE Guide for Transformer Loss Measurement |
| EN 60076-1:2011 | POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011) |
| EN 60044-1:1999/A2:2003 | INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS |
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