Application - ABB RELION 620 Series Technical Manual

1MAC504801-IB E
9.1.5
620 series ANSI
Technical Manual

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, it must be
ensured 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. The interlocking on substation level can be applied using the
IEC61850 GOOSE messages between feeders.
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Figure 357: Status indication-based interlocking via the GOOSE messaging
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Section 9
Control functions
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