The Subsea Power Control system is a very important component of the Subsea Power Grid.
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It ensures several important functions in the subsea power distribution:
The Subsea Power Control system is connected with topside control via an embedded fiber in the subsea power umbilical.
The fiber is terminated and connected to a subsea electronic power control unit (EPCU) - the “brain” of the Siemens Energy Subsea Power Grid. This controller unit processes commands and information and generates the correct commands locally to the respective subsea modules like variable-speed drive (VSD) and switchgear. All data flow subsea is sent to and from the respective units via a remote termination unit (RTU) in an Ethernet data network.