Specifications
Line Differential Protection SIPROTEC 7SD80
3/13SIPROTEC Compact · SIEMENS SIP 3.01 · Edition 3
Selection and ordering data
ANSI No. Variants Bestell-Nr.
Medium voltage differential protection device
Basic version (contained in all options)
87L/87N L
50 TD/51
50N TD/51N
49
74TC
50BF
86
85 DT
27/59
81 U/O
Line differential protection
(phase comparison and 3I
O
differential protection
1)
)
Inrush-current detection
Defi nite/inverse time-overcurrent protection phase I>, I>>, I>>>, I
p
Defi nite/inverse time-overcurrent protection ground I
E
>, I
E
>>, I
E
>>>, I
Ep
Thermal overload protection
Trip circuit supervision
Circuit-breaker failure protection
Lockout
Circuit-breaker intertripping function (trip of the remote circuit-breaker)
External trip initiation
Parameter changeover (parameter group change)
Supervision functions
Circuit-breaker test
Control of circuit-breaker
Flexible protection function current, voltage
2)
,
cos ϕ
2)
, power
2)
, frequency
2)
Under-/Overvoltage protection
2)
V<, V>
Under-/Overfrequency protection
2)
f<, f>
Basic version included
67
67N
Directional defi nite/inverse time-overcurrent protection, phase
3)
∠(V,I) I>, I>>, I
p
Directional defi nite/inverse time-overcurrent protection ground
3)
∠(V,I) I
E
>, I
E
>>, I
Ep
Basic version included
87Ns L Ground-fault differential protection for isolated/resonance-earthed networks
3) 4)
Basic version included
67
67N
87Ns L
Directional defi nite/inverse time-overcurrent protection, phase
3)
∠(V,I) I>, I>>, I
p
Directional defi nite/inverse time-overcurrent protection, ground
3)
∠(V,I) I
E
>, I
E
>>, I
Ep
Ground-fault differential protection for isolated/resonance-earthed networks
3) 4)
Additional functions
79
79
Without
Transmission of 16 binary signals via the protection data interface
With automatic reclosure function (AR)
Transmission of 16 binary signals via the protection data interface and
With automatic reclosure function (AR)
Order No. Short code
12345 6 7 8 9 10 11 12 13 14 15 16 17 18 19
7SD80 - -
+
A
B
F
F
1)
0
CF
EF
1
2
3
1) MLFB position 7 = 1 required (I
ph
= 1 A/5 A, I
E
= 1 A/5 A)
2) Function available if MLFB position 6 = 5, 6 or 7 (voltage transformer inputs)
3) MLFB position 6 = 5, 6 or 7 required (voltage transformer inputs)
4) MLFB position 7 = 2 required (I
ph
= 1 A/5 A, I
EE
(sensitive) = 0.001 to 1.6 A/0.005 to 8 A)
1
2
3
4
5
6
7
8
9
10