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
03-15-1997
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
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.