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Title:
SUBMARINE BRANCHING UNIT AND SUBMARINE BRANCHING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/065385
Kind Code:
A1
Abstract:
In order to enable switching control over power-feeding paths even in the event of a ground fault or an open fault in a power-feeding path, the submarine branching unit is provided with: a switching circuit which switches multiple power-feeding paths formed among a first through a third power-receiving ports; a control circuit which receives power from a power-feeding path formed between the first power-receiving port and the second power-receiving port and controls the switching circuit; and a connection circuit which connects the control circuit between the third power-receiving port and a sea-earth when no power is supplied to the control circuit from the power-feeding path formed between the first power-receiving port and the second power-receiving port.

Inventors:
TAKIGAWA YOSHINARI (JP)
Application Number:
PCT/JP2018/034551
Publication Date:
April 04, 2019
Filing Date:
September 19, 2018
Export Citation:
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Assignee:
NEC CORP (JP)
International Classes:
H04B3/44
Domestic Patent References:
WO2013007017A12013-01-17
WO2013002391A12013-01-03
WO2013002391A12013-01-03
Foreign References:
JPH0376322A1991-04-02
JPH04245816A1992-09-02
JPH09181654A1997-07-11
JP2017189336A2017-10-19
Other References:
See also references of EP 3691134A4
Attorney, Agent or Firm:
SHIMOSAKA Naoki (JP)
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