ABB Relion SMU615 Product Manual page 8

Substation Merging Unit
SMU615
Product version: 1.0
Substation
Merging Unit
with Binary I/0
Current Sensors
GUID-D8A746E4-6E21-4A4F-A963-7D66FE6A7255 V1 EN
Figure 3. Smart substation control and protection SSC600 with SMU615
In Figure 3 the SMU615 devices measure the feeder currents in
the substation and send them as sampled measured values
over the Ethernet. The centralized protection device in the
substation can receive the SMVs from each SMU615 over the
8
Smart Substation
Control and Protection
SMV and GOOSE
Ethernet and use these values for the protection of each feeder.
SMU615 offers the physical interface to the switchgear primary
equipment, that is, circuit breaker, disconnector and earthing
switch accessible with the GOOSE communication.
1MRS758420 B
ABB