50.98 Project deleted Dec 6, 2000
CENELEC
CLC/TC 57 Power systems management and associated information exchange
Harmonization Document
Applies to line traps inserted into high-voltage a.c. transmission lines that prevent undue loss of carrier signal power in the range 30 kHz to 500 kHz under all power system conditions, and that minimize interference from carrier signalling systems on adjacent transmission lines.
ABANDON
prHD 589 S1
50.98
Project deleted
Dec 6, 2000