Technical description
7 Applications
7.2 Distributed generation application
VM259.EN007
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237
7.2.
Distributed generation application
In this application example VAMP 259 line managers are used
in medium voltage application. Protected line is 20 kV and in
the line is connected distributed generation. In this example
the line is protected with line differential and distance
functions. Transfer trip is used for anti-islanding of the DG
pover plant.
Figure 7.2-1 VAMP Line protection devices used in distributed generation
feeder.
By using the transfer tripping command in the line managers
distributed generation can be disconnected simultaneously
when the feeder relay is about to initiate autoreclosing.