Setting Notes - Siemens 7SC80 Manual

Functions
2.15 Sectionalizer Function
NOTE
i
i
With the parameter 613 Gnd O/Cprot. w. in the Power System Data 1 (see
can identify whether the neutral currents IN in sectionalizer use the measured values Ignd (measured)
or the values 3I0 (calcul.) calculated from the 3-phase currents.
The timer symbol of parameter 9528 means: when the rising edge comes, timer starts. The timer restarts
when the next rising edge comes.
2.15.2

Setting Notes

General
The sectionalizer protection is only in effect and accessible if address 376 Sectionalizer is set to With
prot. or Without prot..
If you select the option Without prot., the functions marked with No in the following table, are switched
off completely and these protections in all setting groups are hidden, although these protections are set to be
enabled in device configuration.
If you select the option With prot., the protections in all setting groups work normally.
If the sectionalizer function is not required, then Disabled is set.
The following table shows the functions influenced by the sectionalizer. The functions marked with No are
protection- related functions, which are switched off completely when Without prot. is chosen.
Table 2-19
Function Name
Setting Group Change Option
Oscillographic Fault Records
50/51 Phase/Ground Overcurrent
67 Directional Phase/Ground Overcurrent
Cold Load Pickup
27, 59 Under/Overvoltage Protection
27, 59 Under/Overvolt. Prot. Side2
46 Negative Sequence Protection
81 Over/Underfrequency Protection
81 Over/Underfrequency Prot. Side2
49 Thermal Overload Protection
Measurement Supervision
74TC Trip Circuit Supervision
64, 50Ns, 67Ns (sensitive) Ground fault
79 Auto-Reclose Function
Fault Locator
50BF Breaker Failure Protection
Demand Measurement Setup
Min/Max Measurement Setup
Energy
50 1Ph
47 Negative Phase Sequence Overvoltage
27/59 Over/under volt. Prot. for Vx
Capacitor Control
Tap Changer
306
The Functions Influenced by the Sectionalizer
Enabled with Protection
Function
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
E50417-G1140-C486-A8, Edition 07.2017
2.1.3.2 Setting Notes), you
Enabled without Protection
Function
Yes
Yes
No
No
No
No
No
No
No
No
No
Yes
Yes
No
No
No
No
Yes
Yes
Yes
No
No
No
No
No
SIPROTEC Compact, 7SC80, Manual