7SR21 & 7SR22 Performance Specification
Unrestricted © 2013 Siemens Protection Devices Limited
Page 49 of 68
2.20 59N Neutral Voltage Displacement
2.20.1 Reference (59NDT)
Parameter
Value
Vs
Setting
1, 1.5… 100 V
t
d
Delay setting
0.00, 0.01…20.00, 20.50… 100, 101… 1000, 1010… 10000,
10100… 14400 s
2.20.2 Operate and Reset Level (59NDT)
Attribute
Value
V
op
Operate level
100 %
Vs
,
±
2 % or
±
0.5 V
Reset level
³
95 %
V
op
or
±
0.25 V
Repeatability
±
1 %
Variation
-10 °C to +55 °C
£
5 %
f
nom
- 3 Hz to
f
nom
+ 2 Hz
£
5 %
2.20.3 Operate and Reset Time (59NDT)
Attribute
Value
t
basic
Element basic operate time
Switched from 0 to 1.5
xVs
, 76 ms,
±
20 ms
Switched from 0 to 10
xVs
, 63 ms,
±
20 ms
t
op
Operate time following delay
t
basic
+
t
d
,
±
1 % or
±
20 ms
Repeatability
±
1 % or
±
20 ms
Overshoot time
< 40 ms
Disengaging time
< 50 ms
2.20.4 Reference (59NIT)
Parameter
Value
M
Multiplier setting
0.1, 0.2… 10, 10.5… 140
Vs
Setting
1, 1.5… 100 V
t
d
Delay setting
0, 0.01… 20 s
t
res
Reset setting
0, 1…60 s
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 ...
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