
Electrical relays. Electrical disturbance tests for measuring relays and protection equipment. Power frequency immunity tests
出版:British Standards Institution

专家解读视频
Specifies the general requirements for power frequency immunity tests for measuring relays and protection equipment for power system protection, including the control, monitoring and process interface equipment used with those systems.
© British Standards Institution 2013
NF EN 60255-22-7:2003 - Identical
UNE EN 60255-22-7:2004 - Identical
SS EN 60255-22-7 Ed. 1 (2003) - Identical
SN EN 60255-22-7:2003 - Identical
DIN EN 60255-22-7 (2004-01) - Identical
I.S. EN 60255-22-7:2003 - Identical
IEC 60255-22-7 Ed. 1.0 - Identical
DIN EN 60255-22-7:2004 - Identical
EN 60255-22-7 : 2003 - Identical
DIN EN 60255-22-7 : 2004 - Identical
UNE EN 60255-22-7 : 2004 - Identical
I.S. EN 60255-22-7:2005 - Identical
IEC 60255-22-7 : 1.0 - Identical
SN EN 60255-22-7 : 2003 - Identical
NF EN 60255-22-7 : 2003 - Identical
I.S. EN 60255-22-7:2005 - Identical
DIN EN 60255-22-7 : 2004 - Identical
UNE EN 60255-22-7 : 2004 - Identical
NF EN 60255-22-7 : 2003 - Identical
SN EN 60255-22-7 : 2003 - Identical