87Hs High-Set Differential; Reference; Operate And Reset Level; Operate And Reset Time - Siemens 7SR18 Solkor Manual

7SR18 Performance Specification

2.12 87HS High-Set Differential

2.12.1 Reference

Parameter
Setting
Delay setting

2.12.2 Operate and Reset Level

Attribute
I Operate level
op
Reset level
Repeatability
Transient overreach
Variation

2.12.3 Operate and Reset Time

Attribute
t Element basic operate time
basic

2.13 85 Inter-trip Element

2.13.1 Reference
Attribute
Delay setting

2.13.2 Operate Time

Attribute
Inter-trip base element operate time
Unrestricted Page 38 of 44
Value
1, 2 ... 30 xIn
0, 0.005... 60 s
-10 °C to +55 °C
f - 3 Hz to f + 2 Hz
nom nom
Value
0, 0.005... 60 s
Value
10 ms + 20 ms
Value
± 5 % of setting or ± 0.01In
≥ 95 % of I
OP
± 2 %
≤ 5 %
Value
> 1.1 xIn 30 ms to 50 ms (Typically 30 ms)
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