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Section 7
1MAC050144-MB C
Control functions
482
615 series ANSI
Technical Manual
Figure 256:
Control procedure in SBO method
7.1.5
Application
In the field of distribution and sub-transmission automation, reliable control and status
indication of primary switching components both locally and remotely is in a significant
role. They are needed especially in modern remotely controlled substations.
Control and status indication facilities are implemented in the same package with 52.
When primary components are controlled in the energizing phase, for example, the user
must ensure that the control commands are executed in a correct sequence. This can be
achieved, for example, with interlocking based on the status indication of the related
primary components. An example of how the interlocking on substation level can be
applied by using the IEC61850 GOOSE messages between feeders is as follows:
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