I.S. EN 61334-3-21:1999
Current
The latest, up-to-date edition.
DISTRIBUTION AUTOMATION USING DISTRIBUTION LINE CARRIER SYSTEMS - PART 3: MAINS SIGNALLING REQUIREMENTS - SECTION 21: MV PHASE-TO-PHASE ISOLATED CAPACITIVE COUPLING DEVICE
Hardcopy
English
12-01-2013
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.
Dates of withdrawal of national standards are available from NSAI.
Introduction
1 Scope and object
2 Normative references
3 Definitions
3.1 MV phase-to-phase capacitive coupling method
3.2 Coupling device
3.3 Terms concerning coupling devices
4 Services conditions
4.1 Standard conditions
4.2 Ambient temperature
4.3 Power frequency
4.4 Operating voltages
5 General requirements
5.1 Safety and protection requirements
5.2 Insulation requirements
5.3 Carrier-frequency requirements
5.4 Rating plate
5.5 Tests
Figures
1 MV phase-to-phase isolated coupling device
2 Main components of a MV phase-to-phase isolated
coupling device
3 Power-frequency test
4 Common-mode impulse voltage test
5 Differential mode impulse voltage test
6 Measurement of composite loss
7 Measurement of return loss
8 Measurement of the nominal coupling-side impedance
9 Measurement of the nominal equipment-side
impedance
10 Measurement of the 3 dB bandwidth
Annex
ZA (normative) Normative references to international
publications with their corresponding European
publications
Establishes definitions, requirements, methods of testing and rated values for phase-to-phase isolated capacitive coupling devices to be used in medium-voltage (MV) distribution line carrier systems.
| 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)
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| DocumentType |
Standard
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| Pages |
0
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| PublisherName |
National Standards Authority of Ireland
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| Status |
Current
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| Standards | Relationship |
| EN 61334-3-21:1996 | Identical |
| IEC 61334-3-21:1996 | Identical |
| BS EN 61334-3-21:1997 | Identical |
| DIN EN 61334-3-21:1997-09 | Identical |
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