Siemens 7SR224 - 60 VTF-Bus Voltage Transformer Supervision; Reference (60 VTF); Operate and Reset Time; 74 TCS Trip Circuit Supervision

7SR224 Argus Performance Specification
3.5 60VTF-BUS Voltage Transformer Supervision
3.5.1 Reference (60VTF)
Parameter Value
t
d
Operate time 0.1, 0.2 … 100s
3.5.2 Operate and Reset Time
Attribute Value
t
basic
Basic operate time
30 ms ± 20ms
Operate time
t
basic
+ t
d
, ± 1 % or ± 10ms
Repeatability
± 1 % or ± 10ms
3.6 74TCS Trip Circuit Supervision
3.6.1 Operate and Reset Time
Attribute Value
t
basic
Element basic operate time
30ms ± 10ms
t
op
Operate time following delay
t
basic
+ t
d
, ± 1 % or ± 10ms
Repeatability
± 1 % or ± 10ms
©2010 Siemens Protection Devices Limited Chapter 3 Page 45 of 49