Siemens 7SR51 - 55 Power Factor; Common Settings

55 Power Factor
Common Settings
Reference
Parameter Value
I
set
UC guard setting 0.05 to 1 ⋅ I
rated
I Applied current (for operate time) 1.1 to 0.5 ⋅ I
set
(switched)
Power Factor
Reference
Parameter Value
Directional control Non-directional, lead, lag
PF
set
Power factor setting 0.05, 0.99, Δ 0.05
PF Applied power factor
(for operate time)
Lead 1 to 0.5 ⋅ PF
set
(switched). V = V
rated
, I =
I
rated
Lag
t
delay
Delay setting 0 to 20 s, Δ 0.01 s
20 to 100 s, Δ 0.1 s
100 to 1000 s, Δ 1 s
1000 to 10000 s, Δ 10 s
1000 to 14400 s, Δ 100 s
Operate and Reset Level
Attribute
Value
PF
op
Operate level PF
set
: ± 0.05
Reset level Lead ± 0.01 PF
op
Lag ≤ 105 % PF
op
Repeatability ± 1 %
Variation IEC
60255-1
-10 °C to +55 °C ≤ 5 %
f
rated
± 5 % ≤ 5 %
Operate Time
Attribute
Value
t
basic
Element basic
operate time
Lead/Lag ≤ 70 ms
t
op
Operate time following delay t
basic
+ t
delay
± 1 % or ± 10 ms
Repeatability ± 1 % or ± 10 ms
10.22
10.22.1
10.22.2
Technical Data
10.22 55 Power Factor
536 Reyrolle 7SR5, Overcurrent Protection Device, Device Manual
C53000-G7040-C014-1, Edition 11.2019