NBN EN 62053-21 : 2003
Current
The latest, up-to-date edition.
ELECTRICITY METERING EQUIPMENT (A.C.) - PARTICULAR REQUIREMENTS - PART 21: STATIC METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2)
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 d.c.,
even harmonics, odd harmonics and 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
Applies only to newly manufactured static watt-hour meters of accuracy classes 1 and 2, for the measurement of alternating current electrical active energy in 50 Hz or 60 Hz networks and it applies to their type tests only.
| DevelopmentNote |
Supersedes NBN EN 61036. (05/2004)
|
| DocumentType |
Standard
|
| PublisherName |
Belgian Standards
|
| Status |
Current
|
| Standards | Relationship |
| BS EN 62053-21 : 2003 | Identical |
| I.S. EN 62053-21:2003 | Identical |
| NF EN 62053-21 : 2003 AMD 1 2017 | Identical |
| UNE-EN 62053-21:2003 | Identical |
| DIN EN 62053-21 : 2017 | Identical |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.