Submarine dcdc converter, method for controlling submarine dcdc converter, and submarine cable system
AssigneeNEC Corporation
InventorYoshinari TAKIGAWA
Life of this patent
Estimating the term…
Abstract
To share, i.e., to use, a common submarine DCDC converter for both a submarine DCDC converter for positive outputting and one for negative outputting. A submarine DCDC converter according to the present disclosure includes: a DCDC conversion circuit configured to supply a first constant current input to an input terminal from a land feeding apparatus through a first submarine cable to a first output terminal, generate a second constant current using the first constant current, and supply the generated second constant current to a second output terminal; a control circuit configured to switch a polarity of the second constant current output from the second output terminal; a first switch; and a second switch.
Claims10
A submarine DCDC converter comprising:
- a DCDC conversion circuit configured to supply a first constant current input to an input terminal from a land feeding apparatus through a first submarine cable to a first output terminal, generate a second constant current using the first constant current, and supply the generated second constant current to a second output terminal;
- and
- a polarity switching unit configured to switch a polarity of the second constant current output from the second output terminal.
A method for controlling a submarine DCDC converter, comprising:
- supplying a first constant current input to an input terminal from a land feeding apparatus through a first submarine cable to a first output terminal, generating a second constant current using the first constant current, and supplying the generated second constant current to a second output terminal;
- and
- switching a polarity of the second constant current output from the second output terminal.
A submarine cable system comprising:
- a first submarine cable sub-system comprising:
- two land feeding apparatuses each of which is configured to supply a first constant current to a submarine cable;
- a submarine branching unit configured to branch the submarine cable;
- and
- a DCDC converter to which the first constant current is supplied from the branched submarine cable, wherein
- the DCDC converter comprising:
- a DCDC conversion circuit configured to supply the first constant current input to an input terminal to a first output terminal, generate a second constant current using the first constant current, and supply the generated second constant current to a second output terminal;
- and
- a polarity switching unit configured to switch a polarity of the second constant current output from the second output terminal.
Dependencies are inferred from the claim text.