Feeder 5
•
Address 601 STRPNT->BUS I5 = transformer starpoint versus busbar for feeder 5,
•
Address 602 IN-PRI CT I5 = rated primary transformer current for feeder 5,
•
Address 603 IN-SEC CT I5 = rated secondary transformer current for feeder 5.
Feeder 6
•
Address 611 STRPNT->BUS I6 = transformer starpoint versus busbar for feeder 6,
•
Address 612 IN-PRI CT I6 = rated primary transformer current for feeder 6,
•
Address 613 IN-SEC CT I6 = rated secondary transformer current for feeder 6.
Feeder 7
•
Address 621 STRPNT->BUS I7 = transformer starpoint versus busbar for feeder 7,
•
Address 622 IN-PRI CT I7 = rated primary transformer current for feeder 7,
•
Address 623 IN-SEC CT I7 = rated secondary transformer current for feeder 7.
The following settings are only available in 7UT613/63x:
Feeder 8
•
Address 631 STRPNT->BUS I8 = transformer starpoint versus busbar for feeder 8,
•
Address 632 IN-PRI CT I8 = rated primary transformer current for feeder 8,
•
Address 633 IN-SEC CT I8 = rated secondary transformer current for feeder 8.
Feeder 9
•
Address 641 STRPNT->BUS I9 = transformer starpoint versus busbar for feeder 9,
•
Address 642 IN-PRI CT I9 = rated primary transformer current for feeder 9,
•
Address 643 IN-SEC CT I9 = rated secondary transformer current for feeder 9.
The following settings are only available in 7UT635:
Feeder 10
•
Address 651 STRPNT->BUS I10 = transformer starpoint versus busbar for feeder 10,
•
Address 652 IN-PRI CT I10 = rated primary transformer current for feeder10,
•
Address 653 IN-SEC CT I10 = rated secondary transformer current for feeder 10.
Feeder 11
•
Address 661 STRPNT->BUS I11 = transformer starpoint versus busbar for feeder 11,
•
Address 662 IN-PRI CT I11 = rated primary transformer current for feeder 11,
•
Address 663 IN-SEC CT I11 = rated secondary transformer current for feeder 11.
Feeder 12
•
Address 671 STRPNT->BUS I12 = transformer starpoint versus busbar for feeder 12,
•
Address 672 IN-PRI CT I12 = rated primary transformer current for feeder 12,
•
Address 673 IN-SEC CT I12 = rated secondary transformer current for feeder 12.
Current Transformer Data for 1-phase Further Current Inputs
The number of 1-phase further current inputs depends on the device version. Such inputs are used for detec-
tion of the starpoint current of an earthed winding of a transformer, generator, or motor, shunt reactor, or
neutral reactor, or for different 1-phase measuring purposes. The assignment has already been carried out in
Section 2.1.4 Power System Data 1, margin heading “Assignment of Auxiliary 1-phase Measuring Locations”,
the assignment of the protection functions will be done in Section “Assignment of the Protection Functions to
the Measuring Locations/Sides”. These settings concern exclusively the current transformer data, regardless of
whether or not they belong to the main protected object.
Functions
2.1 General
SIPROTEC 4, 7UT6x, Manual 65
C53000-G1176-C230-5, Edition 09.2016