3 Mounting and Commissioning
266
7SD610 Manual
C53000-G1176-C145-4
3.1 Mounting and Connections
General
WARNING!
Warning of improper transport, storage, installation, and application of the
device.
Non-observance can result in death, personal injury or substantial property damage.
Trouble free and safe use of this device depends on proper transport, storage, instal-
lation, and application of the device according to the warnings in this instruction
manual.
Of particular importance are the general installation and safety regulations for work in
a high-voltage environment (for example, VDE, IEC, EN, DIN, or other national and
international regulations). These regulations must be observed.
3.1.1 Configuration Information
Prerequisites For installation and connections the following conditions must be met:
The rated device data has been tested as recommended in the SIPROTEC 4 System
Description and their compliance with the Power System Data is verified.
Connection Vari-
ants
General Diagrams are shown in Appendix A.2. Connection examples for current trans-
former and voltage transformer circuits are provided in Appendix A.3. It must be
checked that the setting of the P.System Data 1, Section 2.1.2.1 2.1.2.1, was made
in accordance to the device connections.
Currents In Appendix A.3 examples for the possibilities of the current transformer connections
in dependence on network conditions are displayed.
For normal connection, address 220 I4 transformer = In prot. line must be
set and furthermore, address 221 I4/Iph CT = 1.000.
When using separate earth current transformers, address 220 I4 transformer =
In prot. line must be set. The settings value of the address 221 I4/Iph CT may
deviated from 1. For information on the calculation, please refer to section 2.1.2.1.
Voltages This Section is only relevant if the measured voltages are connected to the device, a
condition which was already set during the configuration (address 144 V-
TRANSFORMER, see Section 2.1.1.2).
Connection examples for current and voltage transformer circuits are provided in Ap-
pendix A.3.
For the normal connection the 4th voltage measuring input is not used; correspond-
ingly the address must be set to 210 U4 transformer = Not connected.
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