IEC 60353 Ed. 2.0现行
Line traps for a.c. power systems
出版：International Electrotechnical Committee
专家解读视频
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.
UNE 20540-3:1974 - Identical
UNE 20540-2:1974 - Identical
UNE 20540-1:1974 - Identical
CEI 57-2 Ed. 2 (1997) - Identical
DIN VDE 0851 (1993-02) - Identical
NEN 10353:1995 - Identical
VDE 0851:1993 - Identical
BS 4996:1973 - Equivalent
UNE 20540:2001 - Identical
NEN IEC 60353:1995 - Identical
