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Title:
エネルギー伝送網を試験すること及びエネルギー伝送ケーブルの障害箇所を特定すること
Document Type and Number:
Japanese Patent JP7061629
Kind Code:
B2
Abstract:
A method includes detecting a first time, at which a specific partial discharge pulse is detected in an energy transmission cable at a first point at one cable end; detecting a second time, at which the pulse is detected in the cable at a second point at the other cable end; determining a fault location along the in accordance with the first and the second times; determining third and fourth points located in the cable, the third and fourth points delimiting a portion of the cable, including the fault location and none of the other points; detecting a third time, at which a further specific partial discharge pulse is detected in the cable at the third point; detecting a fourth time, at which the further pulse is detected in the cable at the fourth point; correcting the determined fault location in accordance with the third and fourth times.

Inventors:
Covet, Andreas
Emmanuel, Harald
Curing, David
Mellor, Yang
Application Number:
JP2019566737A
Publication Date:
April 28, 2022
Filing Date:
May 23, 2018
Export Citation:
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Assignee:
OMICRON ENERGY SOLUTIONS GMBH
International Classes:
H04L12/28; G01R31/08
Domestic Patent References:
JP60169775A
JP2008141866A
JP6102308A
JP2000258487A
JP8062277A
JP2013106329A
Attorney, Agent or Firm:
Patent business corporation Tsukuni