NBN EN 62053-22 : 2003
Current
The latest, up-to-date edition.
ELECTRICITY METERING EQUIPMENT (A.C.) - PARTICULAR REQUIREMENTS - PART 22: STATIC METERS FOR ACTIVE ENERGY (CLASSES 0,2 S AND 0,5 S)
12-01-2013
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Standard electrical values
5 Mechanical requirements
6 Climatic conditions
7 Electrical requirements
7.1 Power consumption
7.2 Influence of short-time overcurrents
7.3 Influence of self-heating
7.4 AC voltage test
8 Accuracy requirements
8.1 Limits of error due to variation of the current
8.2 Limits of error due to influence quantities
8.3 Test of starting and no-load condition
8.4 Meter constant
8.5 Accuracy test conditions
8.6 Interpretation of test results
Annex A (normative) Test circuit diagram for sub-harmonics
Annex B (normative) Electromagnet for testing the influence
of externally produced magnetic fields
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Figures
Tables
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