I.S. EN 61921:2003
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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POWER CAPACITORS - LOW VOLTAGE POWER FACTOR CORRECTION BANKS
Hardcopy , PDF
English
01-01-2003
02-03-2026
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Marking of a capacitor bank
5 Guide for design, installation, operation and safety
5.1 General
5.2 Choice of components
5.3 Design
5.4 Installation and operation
5.5 Safety
6 Electromagnetic compatibility
6.1 Emission
6.2 Immunity
6.3 Assemblies incorporating electronic equipment
7 Tests
7.1 Classification of tests
7.2 Type tests
7.3 Routine tests
Annex A (normative) Minimum and maximum cross-sections of
copper conductors suitable for connections
Annex B (normative) Method of calculating the cross-sectional
area of protective conductors with regard to thermal
stresses due to currents of short-duration
Annex C (informative) Typical examples of assemblies
Annex D (informative) Formulae for capacitors and installations
Bibliography
Applies to low-voltage a.c. capacitor banks intended to be used for power factor correction purposes, equipped with a built-in switchgear and controlgear apparatus capable of connecting to or disconnecting from the mains part(s) of the bank with the aim to correct its power factor.
| DevelopmentNote |
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
|
| DocumentType |
Standard
|
| Pages |
58
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| EN 61921:2003 | Identical |
| NBN EN 61921 : 2003 | Identical |
| NF EN 61921 : 2003 | Identical |
| BS EN 61921:2003 | Identical |
| IEC 61921:2003 | Equivalent |
| IEC 61921:2017 | Identical |
| UNE-EN 61921:2004 | Identical |
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