Parameter: 24IT Reset
•
Default setting: 0 s
The reset time delay is initiated when the measured fluxing value falls below the pickup level.
The stored flux level is reset to zero after elapse of the rest time.
Settings Menu
Functions > Function Config
Parameter Range Settings
Default Gn1 Gn2 Gn3 Gn4
24 V/f Enabled
Disabled
Disabled
Functions > Protection > 24 > 24DT-n
Parameter Range Settings
Default Gn1 Gn2 Gn3 Gn4
Element Enabled
Disabled
Disabled
Setting 0.1 to 2 p.u., Δ 0.01 p.u. 1.10
p.u.
Hysteresis 0 to 80 %, Δ 1 % 0.1 %
Delay (DTL) 0 to 20 s Δ 0.01 s
20 to 100 s Δ 0.1 s
100 to 1000 s Δ 1 s
1000 to 10000 s Δ 10 s
10000 to 14400 s Δ 100 s
20 s
Functions > Protection > 24 > 24IT-n
Parameter Range Settings
Default Gn1 Gn2 Gn3 Gn4
Element Enabled
Disabled
Disabled
Reset 0 to 100 s Δ 0.1 s
100 to 1000 s Δ 10 s
0 s
X0 Point 1 to 2 p.u., Δ 0.01 p.u. 1.1 p.u.
Y0 Point 0 to 100 s Δ 0.1 s
100 to 1000 s Δ 1 s
1000 to 10000 s Δ 10 s
10000 to 20000 s Δ 100 s
20000 s
X1 Point 1 to 2 p.u., Δ 0.01 p.u. 1.14
p.u.
Y1 Point 0 to 100 s Δ 0.1 s
100 to 1000 s Δ 1 s
1000 to 10000 s Δ 10 s
10000 to 20000 s Δ 100 s
1200 s
X2 Point 1 to 2 p.u., Δ 0.01 p.u. 1.16
p.u.
5.2.5
Protection and Automation Functions
5.2 24 Overexcitation Protection
154 Reyrolle 7SR5, Transformer Protection Device, Device Manual
C53000-G7040-C015-1, Edition 11.2019