BS EN 61334-3-21:1997
Current
The latest, up-to-date edition.
Distribution automation using distriubution line carrier systems. Mains signalling requirements MV phase-to-phase isolated capacitive coupling device
Hardcopy , PDF
English
15-03-1997
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
Establishes definitions, requirements and methods of testing for distributed line carrier (DLC) systems.
| Committee |
PEL/57
|
| DevelopmentNote |
Also numbered as IEC 61334-3-21 Supersedes 91/34173 DC (11/2005)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN 61334-3-21:1996 | Identical |
| I.S. EN 61334-3-21:1999 | Identical |
| DIN EN 61334-3-21:1997-09 | Identical |
| BS EN 60721-3-1:1997 | Classification of environmental conditions. Classification of groups of environmental parameters and their severities Storage |
| BS 7527-2.4:1991 | Classification of environmental conditions. Environmental conditions appearing in nature Solar radiation and temperature |
| BS 7527-2.5:1991 | Classification of environmental conditions. Environmental conditions appearing in nature Dust, sand, salt mist |
| BS EN 60721-3-4:1995 | Classification of environmental conditions. Classification of groups of environmental parameters and their severities Stationary use at non-weatherprotected locations |
| BS EN 60721-3-2:1997 | Classification of environmental conditions. Classification of groups of environmental parameters and their severities Transportation |
| BS EN 60721-3-7:1996 | Classification of environmental conditions. Classification of groups of environmental parameters and their severities Portable and non-stationary use |
| BS EN 60721-1:1996 | Classification of environmental conditions Environmental parameters and their severities |
| BS 7527-2.1:1991 | Classification of environmental conditions. Environmental conditions appearing in nature Temperature and humidity |
| BS 7527-2.7:1991 | Classification of environmental conditions. Environmental conditions appearing in nature Fauna and flora |
| BS EN 60721-3-6:1993 | Classification of environmental conditions. Classification of groups of environmental parameters and their severities Ship environment |
| BS 7527-2.6:1991 | Classification of environmental conditions. Environmental conditions appearing in nature Earthquake vibration and shock |
| BS EN 60721-3-5:1997 | Classification of environmental conditions. Classification of groups of environmental parameters and their severities Ground vehicle installations |
| BS 7527-2.2:1991 | Classification of environmental conditions. Environmental conditions appearing in nature Precipitation and wind |
| BS EN 60721-3-0:1993 | Classification of environmental conditions. Classification of groups of environmental parameters and their severities Introduction |
| BS EN 60071-1 : 2006 | INSULATION CO-ORDINATION - PART 1: DEFINITIONS, PRINCIPLES AND RULES |
| BS 7527-2.3:1991 | Classification of environmental conditions. Environmental conditions appearing in nature Air pressure |
| BS EN 60721-3-3:1995 | Classification of environmental conditions. Classification of groups of environmental parameters and their severities Stationary use at weatherprotected locations |
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