Under/Over Frequency; Reference; Operate And Reset Level; Operate And Reset Time - Siemens 7SR10 Argus Series Manual

2.21 81 Under/over frequency

2.21.1 Reference

Parameter
Fs Setting
V
s
Guard Setting
Guard
Hyst Hysteresis setting
td Delay setting

2.21.2 Operate and Reset Level

Attribute
F Operate level
op
Reset level
Repeatability
Variation

2.21.3 Operate and Reset Time

Attribute
Element basic
operate time
t
(for ROCOF
basic
between 0.1
and 5.0 Hz/sec)
t Operate time following delay
op
Repeatability
Disengaging time
© 2018 Siemens Protection Devices Limited
Value
43, 43.01... 68 Hz
35, 35.5, ...199.5, 200 V
0, 0.1... 2 %
0.00, 0.01... 20.0, 20.1... 100.0, 101....1000, 1010 ... 10000 ,
10100 ... 14400 s
Value
100 % F
overfrequency (100 % - hyst) xF
underfrequency
(100 % + hyst) xF
± 1 %
-10 °C to +60 °C
≤ 5 %
Value
Typically < 150 ms
overfrequency
Maximum < 190 ms
Typically < 150 ms
underfrequency
Maximum < 190 ms
t
basic
± 1 % or ± 10 ms
< 140 ms
, ± 10 mHz
s
± 10 mHz
op,
± 10 mHz
op,
+ t , ± 1 % or ± 10 ms
d
7SR10 Performance Specification
Chapter 3 Page 46 of 52