Section 3: Supervision Functions; 46Bc Broken Conductor; Reference; Operate And Reset Level - Siemens 7SR10 Argus Series Manual

Section 3: Supervision Functions

3.1

46BC Broken Conductor

3.1.1

Reference

Parameter
NPS to PPS ratio
t Delay setting
f
3.1.2

Operate and Reset Level

Attribute
I Operate level
curr
Reset level
Repeatability
Variation
3.1.3

Operate and Reset Time

Attribute
t Basic operate time 1xI
basic
Operate time
Repeatability
Variation
© 2018 Siemens Protection Devices Limited
-10 °C to +60 °C
f ± 5 %
nom
harmonics to f
cutoff
to 0 A
n
f ± 5 %
nom
harmonics to f
cutoff
Value
20,21...100 %
0.03,04,20.0,20.1,100,101,1000,1010.....14400 s
Value
100 % I ± 5 %
set
90 % I ± 5 %
curr ,
± 1 %
≤ 5 %
≤ 5 %
Value
40 ms
t + t , ± 1 % or ± 20 ms
f basic
± 1 % or ± 20 ms
≤ 5 %
7SR10 Performance Specification
Chapter 3 Page 47 of 52