Siemens 7SC80 - Page 586

Protection functions Pos. 15
60VTS Voltage transformer monitoring
81 U/O Underfrequency/Overfrequency (f<, f>)
25 Synchrocheck
51V Voltage-controlled inverse time overcurrent protection
47NPS Negative-sequence overvoltage protection
32/55/81R Flexible protection functions (parameters from current
and voltage): Voltage, power, power factor, frequency
change protection
SNTP server functionality (no protec-
tion)
2) 5)
— Monitoring functions N
RTU functionality
2)
50/51
Time overcurrent protection phase 50-1
6)
R
50N/51N
Ground fault protection 50N-1
6)
67
Directional overcurrent protection phase 67-1
1)
67N
Directional overcurrent protection ground 67N-1
1)
81HBL2 Inrush restraint
— Tap changer
Recloser Capacitor test
Capacitor control
Battery voltage monitor
7)
Monitoring functions
Sectionalizer
1)
3, 4, or 6 (voltage transformer) is required at MLFB position 7
2)
Only with MLFB position 16 = 0
3)
87N (REF) only available for sensitive ground current input (position 7 = 5 or 6)
4)
depending on the ground current input at position 7, the function operates either as ground fault protection
(sensitive input) or as ground short-circuit protection (normal Ie input)
5)
7 is required at MLFB position 12
6)
1, 2, or 5 is required at MLFB position 7
7)
3 is required at MLFB position 8
8)
B, C, E, or G is required at MLFB position 10
Additional functions
Pos. 16
without 0
79 with automatic reclosing (AR) 1
21FL
With fault locator
1)
2
79/21FL
With 79 and fault locator
1)
3
79 with automatic reclosing function (AR) and 3-/1-pole
operation
4
79/21FL with automatic reclosing function (AR), fault locator,
and 3-/1-pole operation
1)
5
1)
MLFB position 7 must be a 3, 4, or 6 (voltage transformer)
Ordering Information and Accessories
A.1 Ordering Information 7SC802
586 SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017