Siemens siprotec 7SA6 User Manual page 171

Distance protection
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7SA6 Manual
C53000-G1176-C133-1
column B and sub-column D must have been linked. A cross in the small box will
enable the link.
A library is provided which contains symbols for circuit breakers, isolation switches,
and grounding switches, and other devices. The standard setup may be modified, at
any time, using the DIGSI
created and saved in the library.
The user may assign various symbols to any operating equipment condition in the
dialog window presented (e.g. CLOSE / OPEN / INTERMEDIATE) for the circuit
breaker.
The layout of the image may be displayed enlarged or reduced to show details or an
overview of the entire image.
A title bar is provided at the top of the display. It can contain the user defined name of
the substation or feeder. The status bar at the bottom may not be configured.
Proceed as follows:
• In DIGSI
®
4, select the default display under the 6HWWLQJ option. The Display
Editor is started and the default display is opened (see Figure 5-46). Right-click in
the title bar and select 2SHQ in the context menu which appears. The desired text
may be entered.
• Draw the desired topology (e.g., common busbars, lines, and grounding path).
Select nodes, horizontal lines, and vertical lines from the library, mark them, and
confirm the selection with 2..
• Locate the operating equipment and symbols (e.g., switching devices, instrument
transformers, measured values) by selecting from the library, and click in the
drawing area on the desired location. Link the equipment with the respective
information.
• Use dynamic symbols for breaker and switches (See Figure 5-50).
®
4 diagram editor. User defined symbols may also be
Configuration
5-47

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