Siemens Reyrolle 7SR45 Argus Device Manual page 76

Functions
3.10 2nd Harmonic Block/Inrush Restraint (81HBL2)
Application and Settings Notes
81HBL2 Setting
Default setting: 0.20 ⋅ I
Pickup ratio (I = I
This setting defines the operating threshold of the element. The ratio of the 2nd harmonic component of
current compared to the fundamental component of current is exceeded.
This setting should be set to the default value unless in-service experience produces incorrect operation.
81HBL2 Release Block
Default setting: 1.0 ⋅ I
If I crosses this setting, inrush block will be released.
1
Settings Menu
CONFIGURATION > FUNCTION CONFIG
Parameter
Gn Inrush Detector
CONFIGURATION > SUPERVISION > INRUSH DETECTOR
Parameter
Gn 81HBL2 Setting
81HBL2 Release Block 0.3 ⋅ I
Information List
Input/Output Matrix User Logic
Inhibit 81HBL2
81HBL2
76
/ I )
2 1
rated
Setting Options
Disabled
Enabled
Setting Options
0.10 ⋅ I to 0.50 ⋅ I
Δ 0.05 ⋅ I
to 20.0 ⋅ I
rated rated
Δ 0.1 ⋅ I
rated
Type
Inhibit 81HBL2 Input
81HBL2 Output
Settings
Default Gn1
Disabled –
Settings
Default Gn1
0.20 ⋅ I –
1.0 ⋅ I –
rated
IEC 103
–
–
C53000-G7040-C101-2, Edition 09.2020
Gn2
–
Gn2
–
–
Modbus RTU
–
–
Reyrolle, 7SR45, Device Manual