Protection functions Pos. 15
Basic design + directional overcurrent protection phase and directional ground fault protection + ground fault
differential protection in resonant-grounded/isolated systems
3)
4)
E
67
Overcurrent protection, directional phase ∠(V, Ι) 67-1, 67-2, 67-TOC
67N
Ground fault protection, directional ∠(V, Ι) 67N-1, 67N-2, 67N-TOC
87Ns L Ground fault differential protection in resonant-grounded/isolated systems
1)
MLFB position 7 = 1 required (Ι
ph
= 1A / 5A, Ι
N
=1A / 5A)
2)
function available if MLFB Position 6 = 5, 6 or 7 (voltage transformer)
3)
MLFB position 6 = 5, 6 or 7 required (voltage transformer)
4)
MLFB position 7 = 2 required (Ι
ph
= 1A / 5A, Ι
Ns
(sensitive)) = 0.001 A to 1.6 A / 0.005 A to 8 A)
Additional functions Pos. 16
without 0
Bin Transmission of 16 binary signals (via protection interface) 1
79 with automatic reclosing (AR) 2
Bin/79 Transmission of 16 binary signals (via protection interface) and
with automatic reclosing (AR)
5
Ordering Information and Accessories
A.1 Ordering Information 7SD80 V4.7
302 SIPROTEC 4, 7SD80, Manual
E50417-G1100-C474-A2, Edition 02.2018
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