7SR21 & 7SR22 Performance Specification
Unrestricted Page 26 of 68
© 2013 Siemens Protection Devices Limited
2.6
37G & 37SEF Undercurrent
2.6.1 Reference
Parameter
Value
Is
Setting
0.005, 0.10…5.0
xIn
t
d
Delay setting
0.00, 0.01…20.00, 20.50… 100, 101… 1000, 1010…
10000, 10100… 14400 s
2.6.2 Operate and Reset Level
Attribute
Value
I
op
Operate level
100 %
Is
,
±
5 % or
±
1%
In
Reset level
£
105 %
I
op
or
I
op
±
0.1 %
In
Repeatability
±
1 %
Variation
-10 °C to +55 °C
£
5 %
f
nom
- 3 Hz to
f
nom
+ 2 Hz
£
5 %
2.6.3 Operate and Reset Time
Attribute
Value
t
basic
Element basic operate time
1.1 to 0.5 x
Is
: 35 ms,
±
10 ms
t
op
Operate time following delay
t
basic
+
t
d
,
±
1 % or
±
10 ms
Repeatability
±
1 % or
±
10 ms
Overshoot time
< 40 ms
Disengaging time
< 60 ms
Summary of Contents for Argus 7SR21
Page 1: ...Energy Management 7SR21 7SR22 Argus Overcurrent Relay Reyrolle Protection Devices ...
Page 2: ......
Page 4: ...Contents 7SR11 and 7SR12 Page 2 of 2 2018 Siemens Protection Devices Limited ...
Page 185: ...7SR210 Settings Guide Unrestricted 2018 Siemens Protection Devices Limited Page 61 of 61 ...
Page 277: ...7SR220 Settings Guide Unrestricted Page 72 of 107 2013 Siemens Protection Devices Limited ...
Page 382: ...7SR220 Technical Manual Chapter 4 Page 2 of 96 2017 Siemens Protection Devices Limited ...
Page 386: ...7SR220 Technical Manual Chapter 4 Page 6 of 96 2017 Siemens Protection Devices Limited ...
Page 398: ...7SR220 Technical Manual Chapter 4 Page 18 of 96 2017 Siemens Protection Devices Limited ...
Page 414: ...7SR220 Technical Manual Chapter 4 Page 34 of 96 2017 Siemens Protection Devices Limited ...
Page 466: ...7SR220 Technical Manual Chapter 4 Page 86 of 96 2017 Siemens Protection Devices Limited ...
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Page 472: ...7SR220 Technical Manual Chapter 4 Page 92 of 96 2017 Siemens Protection Devices Limited ...
Page 643: ...Unrestricted ...