Method and device for testing a galvanic connection of a high-voltage condenser bushing assembly
US10585137B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2017 |
| Grant date | Mar 10, 2020 |
| Priority date | — |
| Expiry date | Mar 10, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/66
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for testing the quality of a galvanic connection between a first terminal and a conductive layer of a high-voltage condenser bushing assembly is provided. The method includes providing a capacitive test circuit. The capacitive test circuit comprises the first terminal, an AC power source and a measurement unit. The method further includes providing, by the AC power source, a first test current in the capacitive test circuit. The first test current is an AC current at a first test frequency of 10 kHz or higher. The method further includes measuring, by the measurement unit, a test parameter indicative of a resistance of the galvanic connection. The method further includes determining the quality of the galvanic connection from the measured test parameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.