DIN EN 61334-3-21:1997-09
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 , PDF
German
01-01-1997
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
Applicable only to MV phase-to-phase isolated capacitive coupling devices for MV (medium voltage) distribution line carrier (DLC) systems. Defines definitions, requirements, test methods and rated values for phase-to-phase isolated capacitive coupling devices to be used in MV-DLC systems.
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
| Status |
Current
|
| Standards | Relationship |
| EN 61334-3-21:1996 | Identical |
| I.S. EN 61334-3-21:1999 | Identical |
| IEC 61334-3-21:1996 | Identical |
| BS EN 61334-3-21:1997 | Identical |
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