Siemens Reyrolle 7SR5 - Page 487

Parameter Value
3 ⋅ V
0
Applied voltage (for operate time) IDMTL 0 to 2 ⋅ V
set
(switched)
t
delay
Delay setting 0 to 20 s
t
reset
Reset setting 0 to 60 s
Operate and Reset Level
Attribute Value
V
op
Operate level V
set
: ± 2 % or ± 0.5 V
Reset level ≥ 95 % V
op
or ± 0.5 V
Repeatability ± 1 %
Variation IEC
60255-1
-10 °C to +55 °C ≤ 5 %
f
rated
± 5 % ≤ 5 %
Operate and Reset Time
Attribute Value
t
basic
Element basic operate time 2 ⋅ V
set
: 65 ms ± 20 ms
t
op
Operate time
following delay
char = IDMTL
± 5 % or ± 65 ms
char = DTL For DTL < starter operate time = t
basic
For
DTL > starter operate time: t
delay
± 1 % or ±
40 ms
Reset time char = IDMTL t
reset
± 5 % or ± 65 ms
char = DTL t
reset
± 1 % or ± 40 ms
Repeatability ± 1 % or ± 20 ms
Overshoot time < 70 ms
Disengaging time < 100 ms
Technical Data
10.20 59N Neutral Voltage Displacement
Reyrolle 7SR5, Transformer Protection Device, Device Manual 487
C53000-G7040-C015-1, Edition 11.2019