
Electrical relays Part 16: Impedance measuring relays
出版:International Electrotechnical Committee

專家解讀視頻
Specifies the general requirements for impedance measuring relays. Covers test methods and methods of presenting relay characteristics and performance.
UNE 21136-16:1996 - Identical
SS IEC 60255-16 Ed. 1 (1998) - Identical
PN IEC 255-16:1997 - Identical
VDE 0435-302:1988 - Similar
SS IEC 255:1991 - Identical