Siemens SIPROTEC User Manual

Functions
2.27 Command Processing
SIPROTEC, 7SD5, Manual
C53000-G1176-C169-5, Release date 02.2011
489
Figure 2-237 Example of an operational indication for switching circuit breaker (Q0)
Standard Interlocking
The standard interlocking includes the checks for each switchgear which were set during the configuration of
inputs and outputs, see SIPROTEC 4 System Description.
An overview for processing the interlocking conditions in the relay is shown in Figure 2-238.
Figure 2-238 Standard interlockings
1) Source of Command REMOTE includes LOCAL.
LOCAL Command using substation controller
REMOTE Command via telecontrol station to power system management and from power system management to the
device)

Siemens SIPROTEC Specifications

General

Brand	Siemens
Model	SIPROTEC
Category	Protection Device
Language	English