Siemens SIPROTEC 4 7SD80 Manual page 285

Line differential protection
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- FFM Ι
delta
- T V-Monitoring (waiting time for additional measured
voltage failure monitoring)
- T VT mcb
Trip Circuit Supervision
Number of supervised trip circuits
Operation of each trip circuit
Pickup and dropout time
Settable time delay for operation with 1 binary input
SIPROTEC 4, 7SD80, Manual
E50417-G1100-C474-A2, Edition 02.2018
= 1 A 0.05 A to 1.00 A
for Ι
Nom
for Ι
= 5 A 0.25 A to 5.00 A
Nom
0.00 s to 30.00 s
0 ms to 30 ms
4.15 Monitoring Functions
Increments 0.01 A
Increments 0.01 A
Increments 0.01 s
Increments 1 ms
1 to 3
With 1 binary input or with 2 binary inputs
approx. 1 to 2 s
1 s to 30 s
Technical Data
Increments 1 s
285

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