Appendix
A.1 Ordering Information and Accessories
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
336
1)
MLFB position 7 = 1 required (
I
ph
= 1A / 5A,
I
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 (
I
ph
= 1A / 5A,
I
Ns
(sensitive) = 0.001 A to 1.6 A / 0.005 A to 8 A)
Protection functions
Pos. 15
ANSI No.
Description
Basic design (included in all versions)
A
87L/87N L
Line differential protection (phase comparison and 3I0 differential protection)
Inrush current detection
50 TD/51
Overcurrent protection phase
50-1
,
50-2
,
50-3
,
51
50N TD/51N
Overcurrent protection ground
50N-1
,
50N-2
,
50N-3
,
51N
49
Thermal overload protection (49)
74TC
Trip circuit supervision
50BF
Circuit-breaker failure protection
86
Lockout
Circuit breaker transfer trip
External trip initiation
Cold load pickup (dynamic setting changes)
Monitoring functions
Circuit breaker test
Circuit breaker control
Flexible protection functions from current, voltage
27/59 Undervoltage/overvoltage
81 U/O
Underfrequency / overfrequency
Basic directional overcurrent protection phase and directional ground fault protection
B
67 Overcurrent
protection, directional phase
∠
(V,
I
)
67-1
,
67-2
,
67-TOC
67N
Ground fault protection, directional
∠
(V,
I
)
67N-1
,
67N-2
,
67N-TOC
Basic ground fault differential protection in resonant-grounded/isolated systems
C
87Ns L
Ground fault differential protection in resonant-grounded/isolated systems
Basic directional overcurrent protection phase and directional ground fault protection
+ ground fault differential protection in resonant-grounded/isolated systems
E
67 Overcurrent
protection, directional phase
∠
(V,
I
)
67-1
,
67-2
,
67-TOC
67N
Ground fault protection, directional
∠
(V,
I
)
67N-1
,
67N-2
,
67N-TOC
87Ns L
Ground fault differential protection in resonant-grounded/isolated systems
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