7SR11 & 7SR12 Performance Specification
©2017 Siemens Protection Devices Limited
Chapter 3 Page 19 of 56
2.2
32 Power
2.2.1
Reference
Parameter
Value
Ss
32-n Setting
0.05…2 x Sn
t
d
32-n Delay setting
0.00 … 14400 s
2.2.2
Operate and Reset Level
Attribute
Value
S
op
Operate level
100 % S
s
,
±
5% or
±
2% Sn
Reset level
Over-power
≥
95 %
S
op
Under-power
≤
105 %
S
op
Variation
-10 °C to +55 °C
≤
5 %
f
nom
– 3 Hz to
f
nom
+ 2 Hz
≤
5 %
2.2.3
Operate and Reset Time
Attribute
Value
t
basic
Element basic
operate time
Over-power
1.1 x
Ss
: 60 ms
±
10 ms
2.0 x
Ss
: 45 ms
±
10ms
Under-power
0.5 x
Ss
: 30 ms
±
10ms
t
op
Operate time following delay
t
basic
+
t
d
,
±
1 % or
±
10ms
Disengaging time
< 40 ms
2.2.4
Operate Threshold
Attribute
Value
Minimum levels for
operation
I
2.5 % In
V
2.5% Vn
Summary of Contents for Argus 7SR11
Page 1: ...Energy Management 7SR11 7SR12 Argus Overcurrent Relay Reyrolle Protection Devices ...
Page 2: ......
Page 4: ...7SR11 7SR12 Argus Contents 2015 Siemens Protection Devices Limited Page 2 of 2 ...
Page 170: ...7SR120 Technical Manual Chapter 4 Page 2 of 84 2017 Siemens Protection Devices Limited ...
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Page 254: ...7SR11 7SR12 Installation Guide Chapter 5 Page 2 of 32 2017 Siemens Protection Devices Limited ...
Page 358: ...7SR11 7SR12 Applications Guide Page 2 of 48 2017 Siemens Protection Devices Limited ...
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