Mounting and Commissioning
3.1 Mounting and Connections
SIPROTEC, 7SC805, Manual
C53000-G1140-C380-1, Release date 05.2014
72
3.1
Mounting and Connections
General
WARNING!
Warning of improper transport, storage, installation or assembly of the device.
Failure to observe these precautions can result in death, personal injury, or serious material damage.
Trouble-free and safe use of this device depends on proper transport, storage, installation, and assembly of the
device according to the warnings in this device manual.
Of particular importance are the general installation and safety regulations for work in a high-voltage environ-
ment (for example, ANSI, 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 have been checked as recommended in the SIPROTEC 4 System Description/1/. It has
been verified that these data comply with the power system data.
General Diagrams
Block diagrams for the terminal assignment of the 7SC805 are shown in Appendix A.2. Connection examples
for the current and voltage transformer circuits are provided in Appendix A.3.
Voltage Connection Examples
Connection examples for voltage transformers are provided in Appendix A.3. It must be checked that the con-
figuration of the
Power System Data 1
(Section 2.1.2.2) corresponds with the connections.
Binary Inputs and Outputs
The configuration options of the binary in- and outputs, i.e. the procedure for the individual adaptation to the
plant conditions, are described in the SIPROTEC 4 System Description/1/. The connections to the plant are
dependent on this configuration. The presettings of the device are listed in Appendix A.5. Please also check
that the labeling strips on the front panel correspond to the configured message functions.
