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Siemens 7SR12 Argus User Manual

Siemens 7SR12 Argus
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7SR11 & 7SR12 Performance Specification
ยฉ2017 Siemens Protection Devices Limited Chapter 3 Page 52 of 56
Section 3: Supervision Functions
3.1 46BC Broken Conductor
3.1.1 Reference
Parameter Value
NPS to PPS ratio 20,21โ€ฆ100%
t
f
Delay setting 0.03,04,20.0,20.1,100,101,1000,1010โ€ฆ..14400 s
3.1.2 Operate and Reset Level
Attribute Value
I
curr
Operate level
100 % I
set
ยฑ 5 %
Reset level
90 % I
curr ,
ยฑ 5 %
Repeatability
ยฑ 1 %
Variation
-10 ยฐC to +55 ยฐC
โ‰ค 5 %
f
nom
ยฑ 5 %
harmonics to f
cutoff
โ‰ค 5 %
3.1.3 Operate and Reset Time
Attribute Value
t
basic
Basic operate time
1x In to 0 A 40 ms
Operate time
t
f
+ t
basic
, ยฑ 1 % or ยฑ 20ms
Repeatability
ยฑ 1 % or ยฑ 20ms
Variation
f
nom
ยฑ 5 %
harmonics to f
cutoff
โ‰ค 5 %

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Siemens 7SR12 Argus Specifications

General IconGeneral
BrandSiemens
Model7SR12 Argus
CategoryProtection Device
LanguageEnglish

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