Siemens Reyrolle 7SR5 - Page 331

Functions > Protection > 87T > Gn 87T Common
Parameter Range Settings
Default Gn1 Gn2 Gn3 Gn4
W3 ICT Connection See 5.22.4 Application and
Setting Notes
11
Yy0
87T Zone Inputs
W1, W2, W3
11
<all>
87T HB Select Operate
Line
Operate
Functions > Protection > 87T > 87T-BD-n
Parameter Range Settings
Default Gn1 Gn2 Gn3 Gn4
HB2 Element Enabled
Disabled
Disabled
HB2 Bias Cross
Phase
Sum
Cross
HB2 Setting 0.1 to 0.5 p.u, Δ 0.01 p.u 0.15x
HB5 Element Enabled
Disabled
Disabled
HB5 Bias Cross
Phase
Sum
Cross
HB5 Setting 0.1 to 0.5 p.u, Δ 0.01 p.u 0.3x
Gn Element Enabled
Disabled
Disabled
Gn Setting 0.1 to 2 p.u, Δ 0.05 p.u 0.2 ⋅
I
rated
Gn S1 0.1 to 0.7x, Δ 0.05 p.u 0.2x
Gn S1L 1 to 20 p.u, Δ 0.5 p.u 4 ⋅ I
rated
Gn S2 Type Line
Curve
Line
Gn S2 1 to 2x, Δ 0.1x 1.5x
Gn Delay 0 to 1 s, Δ 5 ms 0 s
External Fault 1 ⋅ I
rated
to 10 ⋅ I
rated
, Δ 0.05 ⋅
I
rated
2.4 ⋅
I
rated
Clearance Time 0 s to 1000 s, Δ 0.3 s
Functions > Protection > 87T > 87T-HS-n
Parameter Range Settings
Default Gn1 Gn2 Gn3 Gn4
Element Enabled
Disabled
Disabled
Setting 1 to 30 ⋅ I
rated
, Δ 1 ⋅ I
rated
20 ⋅ I
rated
Gn Delay 0 to 1 s, Δ 5 ms 0 s
Protection and Automation Functions
5.22 87T Transformer Differential Protection
Reyrolle 7SR5, Transformer Protection Device, Device Manual 331
C53000-G7040-C015-1, Edition 11.2019