Apparatus and method for diagnosing state of power cable and measuring remaining life thereof using VLF TD measurement data
US10393788B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 27, 2014 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Apr 8, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R27/2688
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus and method for diagnosing the state of a power cable and measuring the remaining life thereof using VLF TD measurement data, and for determining a replacement time of a power cable using a 3D matrix exhibiting reproducibility of diagnosis of the state of the power cable. The apparatus and method for diagnosing the state of a power cable and measuring the remaining life thereof according to the present invention includes a Weibull modeling unit, a distance limiting unit, a data type classifying unit, a quantity representing unit, a normalization unit, a 3D constructing unit, a risk level calculating unit, and a remaining life measuring unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.