Power Factor; Reference; Operate And Reset Level; Operate And Reset Time - Siemens 7SR10 Argus Series Manual

2.17 55 Power Factor

2.17.1 Reference

Parameter
55-n Setting
PF
s
t 55-n Delay setting
d

2.17.2 Operate and Reset Level

Attribute
PF Operate Level
op
Reset Level
Repeatability
Variation

2.17.3 Operate and Reset Time

Attribute
t Element basic operate time
basic
t Operate time following delay
op
Disengaging time

2.17.4 Operate Threshold

Attribute
Minimum levels for
operation
© 2018 Siemens Protection Devices Limited
Under PF
Over PF
-10 °C to +60 °C
f ± 5 %
nom
I
V
P
Value
0.05...0.99
0.00 ... 14400 s
Value
PF ± 0.05
s
≤PF + 0.02
op
≥PF - 0.02
op
± 0.05
± 0.05
± 0.05
Value
≤ 80 ms
t + t , ± 1 % or ± 10 ms
basic d
< 80 ms
Value
2.5 % I
n
2.5% V
n
0.01 Sn
7SR10 Performance Specification
Chapter 3 Page 41 of 52